Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Three-Center Bonds incloso-Sb(2)Sn(10)Clusters. / Semenov, S. G.; Bedrina, M. E.; Klemeshev, V. A.; Titov, A. V.
в: Russian Journal of General Chemistry, Том 90, № 5, 01.05.2020, стр. 877-879.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Three-Center Bonds incloso-Sb(2)Sn(10)Clusters
AU - Semenov, S. G.
AU - Bedrina, M. E.
AU - Klemeshev, V. A.
AU - Titov, A. V.
N1 - Publisher Copyright: © 2020, Pleiades Publishing, Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2020/5/1
Y1 - 2020/5/1
N2 - Using the DFT PBE0 method, bond indices were calculated and the localization of orbitals in p -, m -, o -clusters of Sb2Sn10 was studied. The K SnSnSn indices (0.31-0.41) are larger than the K SnSbSn indices (0.28-0.31); I SnSn ≤ 0.48, I SbSn ≤ 0.50 and I SbSb ≤ 0.59. The stability of the cluster with the structure of a distorted icosahedron is ensured by thirteen binding electron pairs that populate 20 orbitals localized near triangular faces. The populations of three-center orbitals vary within 1.91-1.97. Each atom stores an unshared electron pair. The tin valency (2.43-2.57) is greater than the number of valence-active electrons, but less than the coordination number. Antimony valency (2.80-2.81) corresponds to the number of valence-active electrons. Energy increases in the series of p - < m - < o -isomers.
AB - Using the DFT PBE0 method, bond indices were calculated and the localization of orbitals in p -, m -, o -clusters of Sb2Sn10 was studied. The K SnSnSn indices (0.31-0.41) are larger than the K SnSbSn indices (0.28-0.31); I SnSn ≤ 0.48, I SbSn ≤ 0.50 and I SbSb ≤ 0.59. The stability of the cluster with the structure of a distorted icosahedron is ensured by thirteen binding electron pairs that populate 20 orbitals localized near triangular faces. The populations of three-center orbitals vary within 1.91-1.97. Each atom stores an unshared electron pair. The tin valency (2.43-2.57) is greater than the number of valence-active electrons, but less than the coordination number. Antimony valency (2.80-2.81) corresponds to the number of valence-active electrons. Energy increases in the series of p - < m - < o -isomers.
KW - antimony
KW - Bimetallic cluster
KW - bond index
KW - DFT PBE0
KW - electron-deficient bond
KW - tin
KW - valency
KW - биметаллическийкластер
KW - валентность
KW - индекссвязи
KW - олово
KW - сурьма
KW - электронодефицитнаясвязь
KW - antimony
KW - Bimetallic cluster
KW - bond index
KW - DFT PBE0
KW - electron-deficient bond
KW - tin
KW - valency
KW - биметаллическийкластер
KW - валентность
KW - индекссвязи
KW - олово
KW - сурьма
KW - электронодефицитнаясвязь
KW - DEFINITION
KW - electron-deficient bond
KW - valence
KW - AB-INITIO PSEUDOPOTENTIALS
KW - bimetallic cluster
UR - http://www.scopus.com/inward/record.url?scp=85087507902&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/37604ff0-c655-31dc-a631-0301eab762ba/
U2 - 10.1134/S1070363220050205
DO - 10.1134/S1070363220050205
M3 - Article
AN - SCOPUS:85087507902
VL - 90
SP - 877
EP - 879
JO - Russian Journal of General Chemistry
JF - Russian Journal of General Chemistry
SN - 1070-3632
IS - 5
ER -
ID: 71624727