volume 257 issue 5-6 pages 1067-1091

RCNSSS+: A novel class of stable sulfur rich radical cations

Publication typeJournal Article
Publication date2013-03-01
scimago Q1
wos Q1
SJR4.638
CiteScore38.2
Impact factor23.5
ISSN00108545, 18733840
Materials Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
The current review provides up-to-date information on the structures, solution and solid state electron paramagnetic resonance (EPR), electronic and magnetic properties, and computational analysis of the novel 1,2,3,4-trithiazolium RCNSSS + radical cation. The stable 7π radical cation RCNSSS + , derived from RCNSSN by isoelectronic substitution of N by S + , is a rare example of a main group radical with ca. 96% of the spin density residing exclusively on the sulfur atoms. In the solid state it forms a great variety of structures, which, depending on the nature of the substituent group, range from dimeric to monomeric. This results in markedly different magnetic properties in which the magnetic coupling varies from −2100 cm −1 to −2 cm −1 , respectively. An important highlight in the chemistry of RCNSSS + is the preparation of (CNSSS + ) 2 2+ , which contains two radical centers directly joined by a single bond and is paramagnetic in all states, making it the only O 2 -like species in main group chemistry. Also important is the observation, by EPR, of a triplet excited state in the [RCNSSS] 2 2+ dimers and estimation of the dimerisation energy of the very weak inter-molecular S⋯S bonds as ca. −11 to −3 kJ/mol. The radical pairs [RCNSSS] 2 2+ also possess a high diradical character, ranging from 45 to 32%, thus lying on the borderline between conventional open shell and closed shell species.
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Shuvaev K. V., Passmore J. RCNSSS+: A novel class of stable sulfur rich radical cations // Coordination Chemistry Reviews. 2013. Vol. 257. No. 5-6. pp. 1067-1091.
GOST all authors (up to 50) Copy
Shuvaev K. V., Passmore J. RCNSSS+: A novel class of stable sulfur rich radical cations // Coordination Chemistry Reviews. 2013. Vol. 257. No. 5-6. pp. 1067-1091.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ccr.2012.07.003
UR - https://doi.org/10.1016/j.ccr.2012.07.003
TI - RCNSSS+: A novel class of stable sulfur rich radical cations
T2 - Coordination Chemistry Reviews
AU - Shuvaev, Konstantin V.
AU - Passmore, Jack
PY - 2013
DA - 2013/03/01
PB - Elsevier
SP - 1067-1091
IS - 5-6
VL - 257
SN - 0010-8545
SN - 1873-3840
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2013_Shuvaev,
author = {Konstantin V. Shuvaev and Jack Passmore},
title = {RCNSSS+: A novel class of stable sulfur rich radical cations},
journal = {Coordination Chemistry Reviews},
year = {2013},
volume = {257},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.ccr.2012.07.003},
number = {5-6},
pages = {1067--1091},
doi = {10.1016/j.ccr.2012.07.003}
}
MLA
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MLA Copy
Shuvaev, Konstantin V., and Jack Passmore. “RCNSSS+: A novel class of stable sulfur rich radical cations.” Coordination Chemistry Reviews, vol. 257, no. 5-6, Mar. 2013, pp. 1067-1091. https://doi.org/10.1016/j.ccr.2012.07.003.