ライフサイエンスコーパス: singlet

1 n be interpreted as a return to the low-spin singlet.

2 ature, after reverse intersystem crossing to singlets.

3 rene spontaneously rearranges in the dark to singlet 6-imino-2,4-cyclohexadien-1-ketene on the time s

4 the energy gap between triplets and "bright" singlets, allowing thermal population exchange between t

5 irradiation of the meta-precursor led to the singlet alpha,3-DHT isomer.

6 h favored a mechanistic model featuring free singlet aminophosphinidenes.

7 athway is governed by the energy gap between singlet and charge-transfer states, which change dynamic

8 component triplets behave cooperatively as a singlet and emit light through a Herzberg-Teller-type me

9 by the SABRE-SHEATH method, sustaining both singlet and magnetization states, thus offering a path t

10 eDef-RuPZn manifests electronically excited singlet and triplet charge-transfer state lifetimes more

11 Optimized singlet and triplet doping levels were determined to be

12 s of +1.57 and +0.86 V are estimated for the singlet and triplet dsigma*psigma excited states, respec

13 Singlet and triplet electron spin states of the complex,

14 These compounds have distinct singlet and triplet energies, which allow us to study th

15 h evidence of mechanistic dichotomy via both singlet and triplet energy transfer mechanisms.

16 on, and the relative positions of the lowest singlet and triplet excited states.

17 igurations describing the initially prepared singlet and triplet excited-state wave functions, we (i)

18 eduction (+0.6 V vs Ag/AgCl) potentials, and singlet and triplet oxidation potentials (-1.1 and -0.5

19 another acene as we systematically vary the singlet and triplet pair energies.

20 By direct imaging of singlet and triplet populations with ultrafast microscop

21 ty and dynamics of the excited states, where singlet and triplet Rh2/form-to-naphthyridine, metal/lig

22 The differing reactivities of the singlet and triplet states are determined, and the ways

23 molecules, where spin-orbit coupling between singlet and triplet states is mediated by one of the loc

24 Isoenergetic singlet and triplet states of the molecules make the rev

25 We form a logical qubit encoded in the spin singlet and triplet states of the two-electron system.

26 According to our calculations, the singlet and triplet states of these carbenes are energet

27 es can be isolated in both its lowest energy singlet and triplet states.

28 the X-ray spectra for the excited electronic singlet and triplet states.

29 ctly recovers the sample identity of >99% of singlets and identifies doublets at rates consistent wit

30 Ps) per cell are sufficient to assign 97% of singlets and identify 92% of doublets in pools of up to

31 ty of each droplet containing a single cell (singlet) and detect droplets containing two cells (doubl

32 h a T1/2 of 220 K and a mixture of low-spin (singlet) and high-spin (quintet) populations at room tem

33 The charge-transfer state and polymer singlet are of nearly equal energy, yet the short-circui

34 This singlet-based process, called Cooperative Energy Pooling

35 However, in these asymmetric dimers, the singlet becomes more localized on the lower energy unit

36 The Group 15 open-shell singlet biradicaloid [P(mu-NTer)]2 (Ter=2,6-bis(2,4,6-tr

37 he dication is readily reduced to a neutral, singlet bis-1,4-([3]cumulene)-p-carboquinoid as a result

38 Here, we show that excitations related to singlet breaking on nearest-neighbour bonds describe the

39 ity by analogy with the Skell hypothesis for singlet carbene addition to olefins.

40 ion of a hydrogen-bonded complex between the singlet carbene and water.

41 ices containing predominantly the triplet or singlet carbene can be generated.

42 An alternative way to generate the singlet carbene is the reaction of the triplet with wate

43 which reveal that a 1,2-phenyl shift in the singlet carbene needs to overcome a barrier of only 3.8

44 The latter react with isonitriles and singlet carbenes giving (phosphino)phosphinidene-isonitr

45 -stabilized borylenes are isoelectronic with singlet carbenes, and their reactivity mimics to some ex

46 hinidene reacts with carbon monoxide, stable singlet carbenes, including the poor pi-accepting imidaz

47 ully stabilized via strong sigma-donation of singlet carbenes.

48 This is followed by a slower loss of singlet character as the excitation evolves to become on

49 he outer benzene rings to adapt closed-shell singlet Clar pi-sextet character.

50 in a switching of the spin state of DPC, the singlet complexes becoming more stable than the triplet

51 VTZ//B3LYP/6-31+G* level of theory show that singlet cyclopentylidenecarbene has to overcome a barrie

52 The singlet diradical electronic state of 2 is 10 kcal mol(-

53 tudies yield data that are consistent with a singlet diradical ground state with a thermally accessib

54 s pulse duration and 1.37 ps separation; and singlet+doublet soliton structures with 1.8 ps duration

55 f this [2 + 2] cycloaddition reaction is the singlet doubly pi(2)pi*(2) excited state, which is spect

56 )Z results on the evolution of the low-lying singlet electronic states along the OO bond suggest that

57 e spin prohibition of the underlying triplet-singlet emission and because its analysis embraces a dee

58 In these systems the singlet energy is determined by the lower-energy chromop

59 sed to establish the character of the lowest singlet excited state of all three systems and the lowes

60 at at high surface concentrations, the first singlet excited state of the dye is converted into a new

61 ion is higher than that required to form the singlet excited state, the S-route is considered the fav

62 harge transfer due to twisting in the lowest singlet excited state.

63 riplet states (T1), and the first and second singlet excited states (S1 and S2) of benzene (C6H6) and

64 nd Wolff rearrangement is one of the highest singlet excited states of diazotetrahydrofuranone.

65 The fluorescence spectra indicate that the singlet excited states of these nanorings are highly del

66 The absorption of a photon usually creates a singlet exciton (S1) in molecular systems, but in some c

67 ton fission (SF), the conversion of one spin-singlet exciton (S1) into two spin-triplet excitons (T1)

68 assemblies results in the conversion of one singlet exciton (S1) into two triplet excitons (T1), pro

69 ity but weak electronic coupling between the singlet exciton and triplet pair states.

70 at exhibit fast and efficient intramolecular singlet exciton fission (iSF).

71 Singlet exciton fission (SF) in organic chromophore asse

72 Singlet exciton fission (SF), the conversion of one spin

73 range of organic semiconductors that undergo singlet exciton fission to reveal the photophysical prop

74 Understanding the mechanism of singlet exciton fission, in which a singlet exciton sepa

75 ion is the spin-allowed conversion of a spin-singlet exciton into a pair of spin-triplet excitons res

76 es the spin-conserving fission of one spin-0 singlet exciton into two spin-1 triplet excitons.

77 anism of singlet exciton fission, in which a singlet exciton separates into a pair of triplet exciton

78 ular aggregates absorb a photon to produce a singlet exciton, spin-allowed singlet fission may produc

79 long-lived and quench subsequently generated singlet excitons in their vicinity.

80 ate the mixing of multiexcitonic states with singlet excitons.

81 at undergo fast and efficient intramolecular singlet fission (iSF).

82 We investigate singlet fission (SF) in heterodimers comprising a pentac

83 Singlet fission (SF) in polycrystalline thin films of fo

84 Singlet fission (SF), a promising mechanism of multiple

85 Singlet fission (SF), an efficient multiple exciton gene

86 ablish the role of charge-transfer states in singlet fission and highlight the importance of solubili

87 esults provide a framework for understanding singlet fission and show how the formation of vibronic m

88 ke conjugated dimers, the time constants for singlet fission are relatively insensitive to the interp

89 nd crystalline structure in films of a model singlet fission chromophore, 6,13-bis(triisopropylsilyle

90 photochemical properties for exploitation in singlet fission devices.

91 paramagnetic resonance spectroscopy to probe singlet fission in a pentacene dimer linked by a non-con

92 We report rapid and efficient intramolecular singlet fission in both molecules, in one case via a vir

93 nts, and undergoes equally rapid, high-yield singlet fission in nonpolar solvents.

94 dence of triplet exciton diffusion following singlet fission in these nanocrystalline TIPS-Pn films.

95 Singlet fission is believed to proceed through the corre

96 Singlet fission is the spin-allowed conversion of a spin

97 In addition to its role as a viable singlet fission material, single-crystalline rubrene is

98 The coexistence of coherent and incoherent singlet fission may also reconcile different experimenta

99 n to produce a singlet exciton, spin-allowed singlet fission may produce two triplet excitons that ca

100 The singlet fission mechanism is still not well understood.

101 iently harvest multiplied triplets even when singlet fission occurs on ultrafast time scales.

102 The results show that singlet fission occurs within 1 ps in an amorphous thin

103 on of excitons in organic semiconductors via singlet fission offers the potential for photovoltaic ce

104 Singlet fission offers the potential to overcome thermod

105 The singlet fission pathway is governed by the energy gap be

106 d state precludes clear determination of the singlet fission pathway.

107 We observe the key intermediates in the singlet fission process, including the formation and dec

108 s compared to conjugated dimers with similar singlet fission rates.

109 To fully utilize the potential of singlet fission sensitizers in devices, it is necessary

110 rovide evidence in crystalline rubrene for a singlet fission step that, until now, has not been convi

111 edict a 2 orders of magnitude faster rate of singlet fission to the (1)(T1T1) state in BET-B relative

112 shown that the triplet diffusion length and singlet fission yield can be simultaneously optimized fo

113 Singlet fission, a multistep molecular process in which

114 that charge-transfer states are involved in singlet fission, but their role has remained an intrigui

115 ate (TT), which has been proposed to mediate singlet fission, forms on ultrafast timescales (in 300 f

116 te and study transient species essential for singlet fission, which are otherwise difficult to observ

117 into two triplets (2xT1) in a process called singlet fission.

118 has been hypothesized as an intermediate in singlet fission.

119 tates can serve to either inhibit or promote singlet fission.

120 ntial interest when used in conjunction with singlet fission.

121 itons and uncoupled triplet excitons through singlet fission.

122 square of the electronic matrix element for singlet fission.

123 be 0.05 wt % 1,4-bis(2-methylstyryl)benzene singlet fluorophore and 0.28 wt % Ir(3+), respectively.

124 Secondary dopants comprising singlet fluorophores or iridium organometallic compounds

125 (IV) enolates) and an open shell, biradical, singlet (formally Ti(III) enolates) electronic states, w

126 la: see text] of the iron orbitals to make a singlet ([Formula: see text]), an [Formula: see text] su

127 directly or via thermal repopulation of the singlet from the lower-energy triplet nitrene.

128 lin isotype TBA-6 sculpts 18 A- and B-tubule singlets from nine ciliary A-B doublet microtubules in c

129 3S(O)N was generated in the gas phase in its singlet ground state and was characterized by matrix-iso

130 as the absence of EPR signals demonstrate a singlet ground state of the zwitterion, and its calculat

131 ron spectrum indicating that the anion has a singlet ground state, in contrast to previously reported

132 nyl oxenium ions (Ph-O(+)) have closed-shell singlet ground states with large singlet-triplet gaps re

133 When a singlet ground-state N,N'-diamidocarbene 1 was photolyze

134 nitrenium ion and 1-azulenyl oxenium ion are singlet ground-state species with considerable singlet-t

135 res (>10 K), the triplet is converted to the singlet; however, cooling back to 3 K does not restore t

136 omaticity, with the switch from ground-state singlet ions to triplet-favored ions resulting from both

137 ei and store this polarization in long-lived singlet (LLS) form after suitable radiofrequency (rf) pu

138 esigns in which the kISC magnitude dominates singlet manifold relaxation dynamics but does not give r

139 ystem crossing (ISC) from the triplet to the singlet manifold, and hydrogen migrations.

140 ng that ultrafast dimerization occurs in the singlet manifold.

141 s variables are the natural spin-orbitals of singlet many-body wave functions and their joint occupat

142 o ultrafast nonradiative relaxation from the singlet metal-to-ligand charge transfer ((1)MLCT) excite

143 We show that centriolar singlet microtubules are converted into BB doublets whic

144 species such as hydrogen peroxide (H2O2) or singlet molecular oxygen, rather than free-radical speci

145 gulate remodeling of 9+0 MT doublets into 18 singlet MTs.

146 nitrenes are derived from the corresponding singlet nitrene, either directly or via thermal repopula

147 ibrium, dynamics originating from either the singlet or quintet manifold can be explored using variab

148 ation after direct light excitation involves singlet or triplet states is investigated here for the f

149 properties such as the essential balance of singlet oscillator strength and triplet harvesting.

150 rrier is developed for efficiently producing singlet oxygen ((1) O2 ) and inducing hypoxia to promote

151 be activated by photoirradiation, producing singlet oxygen ((1) O2 ) and inducing hypoxia to promote

152 A biocompatible fluorescent nanoprobe for singlet oxygen ((1) O2 ) detection in biological systems

153 s been developed that enables tumor-specific singlet oxygen ((1) O2 ) generation for cancer therapy,

154 photosensitizer that specifically generates singlet oxygen ((1) O2 ) in mitochondria under white lig

155 hat can reversibly control the generation of singlet oxygen ((1) O2 ) is of great interest for photod

156 Moreover, FR pretreatment resulted in singlet oxygen ((1) O2 ) production and a rapid inhibiti

157 , with two representatives exhibiting strong singlet oxygen ((1) O2 ) quenching (HCP2, HCP3) and anot

158 ophage MS2 to UV254, simulated sunlight, and singlet oxygen ((1)O2) and analyzed the oligomer reactio

159 onic nanostructure platform with a source of singlet oxygen ((1)O2) at a well-defined distance from t

160 This Review describes singlet oxygen ((1)O2) in the organic synthesis of targe

161 Distinct ROS signaling pathways initiated by singlet oxygen ((1)O2) or superoxide and hydrogen peroxi

162 eparation, and characterization of a dormant singlet oxygen ((1)O2) photosensitizer that is activated

163 ype of particle, Rose Bengal as an efficient singlet oxygen ((1)O2) producer was covalently bound to

164 g to significantly enhanced fluorescence and singlet oxygen ((1)O2) production upon laser irradiation

165 e investigation of a directed intramolecular singlet oxygen ((1)O2) transfer.

166 tates of dissolved organic matter ((3)DOM*), singlet oxygen ((1)O2), and the hydroxyl radical ((*)OH)

167 riplet dissolved organic matter ((3)DOM) and singlet oxygen ((1)O2), contributes to the degradation o

168 bance and fluorescence) and the formation of singlet oxygen ((1)O2), DOM triplet excited states ((3)D

169 triplet states by molecular oxygen produces singlet oxygen ((1)O2), which reacts with the anthracene

170 Studies of the singlet oxygen ((1)O2)-overproducing flu and chlorina1 (

171 rt half-life and limited diffusion radius of singlet oxygen ((1)O2).

172 s in the lipid bilayer via the production of singlet oxygen ((1)O2).

173 les us to draw conclusions about the role of singlet oxygen and (1)O2 carriers in photodynamic therap

174 identified by proximity-based labeling using singlet oxygen and by an adapted version of TRICEPS-base

175 otoprotects cyanobacteria cells by quenching singlet oxygen and excess excitation energy.

176 c acid and monogalactosyldiacylglycerol from singlet oxygen and from hydroxyl radical.

177 wastewater treatment wetland) that generated singlet oxygen and hydroxyl radical.

178 The PapaMBlue produced higher amounts of singlet oxygen and hydroxyl radicals than free MB, possi

179 m of this cross-linking, which involves both singlet oxygen and radical generation, can occur very ef

180 d PSII charge recombination rates, producing singlet oxygen and subsequent photodamage.

181 ase of nitric oxide (NO) in combination with singlet oxygen and superoxide radicals (O2(*-)) as react

182 y, acute water stress showed accumulation of singlet oxygen as determined by fluorescence of Singlet

183 We produced singlet oxygen at a point near the oil-water interface o

184 ned to probe the "ene" reaction mechanism of singlet oxygen at the air-water interface.

185 shows significantly enhanced absorption and singlet oxygen efficiency relative to that of the accept

186 ted by light, X-ray and microwave to produce singlet oxygen for cancer treatment.

187 ll triplet species before they can sensitize singlet oxygen formation.

188 tion to triplet states, which photosensitize singlet oxygen formation.

189 Thanks to a favorable combination of singlet oxygen generation and cellular uptake properties

190 The nanosystem also inhibits extracellular singlet oxygen generation by Ce6, leading to fewer side

191 tersystem crossing to the triplet state, and singlet oxygen generation, as assayed by transient absor

192 ucing minimal fluorescence and no measurable singlet oxygen generation.

193 tically boost NIR photon utility and enhance singlet oxygen generation.

194 eling, photooxidation of a ligand-conjugated singlet oxygen generator is coupled to chemical labeling

195 As proof-of-concept, we expressed the 'singlet oxygen generator' miniSOG as a fusion with the S

196 her extending the lifetime while sensitizing singlet oxygen in an aerated solution.

197 TP can also efficiently function to generate singlet oxygen in situ (PhiDelta approximately 20 %) and

198 tection against photooxidative stress due to singlet oxygen is provided by carotenoid molecules, whic

199 Furthermore, we show the influence of singlet oxygen lifetime and diffusion coefficient (D) on

200 resonance spectroscopy and the induction of singlet oxygen marker genes.

201 -mediated cell death where the generation of singlet oxygen may play a role.

202 Arabidopsis, due to differentially localized singlet oxygen photosensitizers.

203 Singlet oxygen plays a role in cellular stress either by

204 This widely used commercial singlet oxygen probe was covalently linked to a polyacry

205 s for cancer treatment should both have good singlet oxygen production capability and be excitable by

206 centration, tissue oxygen concentration, and singlet oxygen production in real-time may allow for ada

207 ed excitation profile and exceptionally high singlet oxygen production under both visible light and i

208 n moiety are also conserved, with comparable singlet oxygen quantum yields found to the free chlorin.

209 aracterized, and they proved to be very good singlet oxygen quenchers.

210 3221 and Alr4783) were shown to be very good singlet oxygen quenchers.

211 Second, singlet oxygen returns the reduced catalyst to the Cr(II

212 h by acute water stress was inhibited by the singlet oxygen scavenger histidine and was accompanied b

213 Cell death could be inhibited by the singlet oxygen scavenger histidine in treatments with AO

214 nteract with reactive oxygen species through singlet oxygen scavenging, electron transfer, hydrogen a

215 nary ammonium salts as alkylating agents and singlet oxygen sensitizers.

216 ny of the limitations of the molecular probe Singlet Oxygen Sensor Green((R)) (SOSG).

217 glet oxygen as determined by fluorescence of Singlet Oxygen Sensor Green, by electron paramagnetic re

218 g sustained NPQ in LHCII, thereby preventing singlet oxygen stress.

219 e first PTX prodrug that can be activated by singlet oxygen using tissue penetrable and clinically us

220 cient photosensitizers for the generation of singlet oxygen via photoinduced energy transfer processe

221 Singlet oxygen was also detected in fructose and glucose

222 A relatively high level of singlet oxygen was detected.

223 Low reactivity of DMABN with singlet oxygen was found (second-order rate constant <2

224 ntribution of reactive oxygen species (e.g., singlet oxygen, (1)O2) in dissolved organic matter-sensi

225 a source of highly oxidative species such as singlet oxygen, and atomic oxygen.

226 ovides an assessment of the contributions of singlet oxygen, hydroxyl radical, hydrogen peroxide, and

227 properties, to the ability to photogenerate singlet oxygen, or to act as photoacoustic imaging agent

228 ygen species (ROS) to be released, including singlet oxygen, superoxide anion radicals, and hydrogen

229 Such mechanisms involve singlet oxygen, ubiquitination, the 26S proteasome, and

230 Ultraviolet and blue light generates singlet oxygen, which oxidizes and activates the ion cha

231 ug of PTX by conjugating photosensitizer via singlet oxygen-cleavable aminoacrylate linker.

232 their endoperoxides 1-O2 upon oxidation with singlet oxygen.

233 n, emphasizing the role of non-H2O2 ROS like singlet oxygen.

234 hotodynamic damage through the generation of singlet oxygen.

235 affords the parent anthracenes by release of singlet oxygen.

236 ed species, as evidenced by the formation of singlet oxygen.

237 lly useful 13 mus excited state and produces singlet oxygen.

238 ed-state control for truly local delivery of singlet oxygen.

239 Photoconversion likely involves singlet-oxygen mediated photochemical cleavage, yielding

240 VB) formed by a superposition of fluctuating singlet pairs have been a paradigmatic concept in unders

241 idene transfer to olefins is consistent with singlet phosphinidene reactivity by analogy with the Ske

242 consistent with intermediate 1 reacting as a singlet phosphinidene.

243 The singlet quantum yield is greatly enhanced with quaternar

244 The singlet reduction (+0.6 V vs Ag/AgCl) potentials, and si

245 onic sodium-potassium (NaK) molecules in the singlet rovibrational ground state.

246 ion to alpha-ketodiazirine proceeds from the singlet S1 state, whereas the alternative process of C-H

247 ultiplet soliton state evolves into a stable singlet soliton state, are depicted.Real-time characteri

248 change in mechanism occurs for the dominant singlet spin state that correlates with the electron-don

249 (-*)-R(*) triradical, where D(+*)-A(-*) is a singlet spin-correlated radical pair (SCRP), in which bo

250 ored ions resulting from both a destabilized singlet state (Huckel antiaromatic) and a stabilized tri

251 f the spin state from triplet (high spin) to singlet state (low spin).

252 the same progression from an initial bright singlet state (species I) to a delocalized dark state (s

253 Self-testing was first demonstrated for the singlet state and a few other examples of self-testable

254 dition is a rare reaction that begins in the singlet state and proceeds through a triplet intermediat

255 ts energetic proximity to the lowest excited singlet state in these derivatives suggests that this st

256 r results are obtained, but the yield of the singlet state is even higher.

257 ors CF3X form very strong complexes with the singlet state of DPC, but only weakly interact with trip

258 d by p-ExBox(4+) (7.0 A), the lowest excited singlet state of ExV(2+) exclusively photo-oxidizes the

259 In general, the closed-shell singlet state of these intermediates usually react as el

260 transfer rate from the ZnTPP lowest excited singlet state to PDI2 is increased by 50% relative to th

261 rons into pairs with antiparallel spins in a singlet state with an s-wave symmetry.

262 ef they form an s-wave ([Formula: see text]) singlet state, which changes sign between the electron a

263 nergy is similar or lower in energy than the singlet state.

264 s the photostationary equilibrium toward the singlet state.

265 ges in the viologen structure in the excited singlet state.

266 version of up to 20% of the triplet into the singlet state.

267 tes on an aromatic ring in its first excited singlet state.

268 irradiation produces again up to 20% of the singlet state.

269 ergetically stable four-membered ring in the singlet state.

270 In addition, a fraction of the excited singlet states in CDOM decays into excited triplet state

271 lt of a progression from a direct product of singlet states in each short dimer at zero field to pref

272 ent a theoretical scheme to generate N-quNit singlet states with N 3 via adiabatic passage.

273 s can be generated in both their triplet and singlet states, and both states coexist under the condit

274 unt the kinetic barrier to reactions between singlet substrates and triplet O2 is unclear, but the re

275 tations in conjugated dimers are delocalized singlets that enable fast and efficient iSF.

276 c transition of an excited molecule from the singlet to the triplet manifold.

277 Irradiation at 365 nm results in a complete singlet to triplet interconversion, whereas 450 nm irrad

278 and cooling back to 3 K does not change the singlet to triplet ratio.

279 occurs preferentially through an open-shell singlet transition state: iron donates electron density

280 Finally, since singlet-triplet cycling underpins the mechanism for incr

281 tial oscillator strength is sustained at the singlet-triplet degeneracy point.

282 that molecular geometries exist at which the singlet-triplet energy gap (exchange energy) is close to

283 used to determine substituent effects on the singlet-triplet energy gap for azulenyl nitrenium and ox

284 e introduce a general approach to reduce the singlet-triplet energy gap in fully conjugated polymers,

285 iplet diradical with a very small open-shell singlet-triplet energy gap that is indicative of the ele

286 ys, in conjunction with the narrowing of the singlet-triplet energy gap.

287 All investigated compounds have small singlet-triplet energy splitting (DeltaEST ) ranging fro

288 nt the first room-temperature measurement of singlet-triplet equilibration dynamics in this family of

289 xenium ion have triplet ground states with a singlet-triplet gap of +7 and +10 kcal/mol, respectively

290 general phenomenon that only depends on the singlet-triplet gap rather than on the nature of the car

291 Computed singlet-triplet gaps and biradical stabilization energie

292 nglet ground-state species with considerable singlet-triplet gaps of -47 and -45 kcal/mol to the lowe

293 losed-shell singlet ground states with large singlet-triplet gaps resulting from a strong break in th

294 ide (H2O2) ROS products, indicating coherent singlet-triplet mixing at the point of ROS formation.

295 tions, two-plasmon spontaneous emission, and singlet-triplet phosphorescence processes--can occur on

296 spins are mapped onto a robust, macroscopic, singlet-triplet qubit.

297 ics, and the excess line broadening of (19)F singlets was utilized to characterize the boronic acid/b

298 nhomogeneity, generating an extremely narrow singlet with a linewidth approaching limits dictated by

299 5+)) systems are expected to have an orbital singlet with reduced effective SOC.

300 rminal form of this complex is an open-shell singlet, with two antiferromagnetically coupled electron