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. 2021 Mar 20;27(4):110.
doi: 10.1007/s00894-021-04738-9.

Intermolecular interactions between the heavy alkenes H2Si = TH2 (T = C, Si, Ge, Sn, Pb) and acetylene

Yishan Chen  1 , Lifeng Yao  2 , Fan Wang  2
Affiliations

Intermolecular interactions between the heavy alkenes H2Si = TH2 (T = C, Si, Ge, Sn, Pb) and acetylene

Yishan Chen et al. J Mol Model. .

Abstract

The intermolecular interactions between the heavy alkenes H2Si = TH2 (T = C, Si, Ge, Sn, Pb) and C2H2 have been calculated at the CCSD(T)/aug-cc-pVTZ//MP2/aug-cc-pVDZ level, and the nature of these complexes has been investigated by natural bond orbital. The four types (type-A, type-B, type-C and type-D) of complexes can be located for H2Si = TH2···C2H2 system. The complexes involving H2Si = TH2···C2F2 and H2Si = TH2···C2(CN)2 have also been examined to explore the substituent effects. Some complexes which are stable for H2Si = TH2···C2H2 system become unstable for H2Si = TH2···C2F2 or H2Si = TH2···C2(CN)2 system, while other complexes which are unstable for H2Si = TH2···C2H2 system become stable for H2Si = TH2···C2F2 or H2Si = TH2···C2(CN)2 system.

Keywords: Heavy alkenes; MEP surfaces; NBO analysis.

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