Conformational Studies on Divalent Rings C4HnM (n = 4, 6 and 8; M = C, Si, Ge, Sn and Pb)
E. VESSALLY*, B. GHASSABI†, A. KHOJASTEH and S. FATEH

 Payame Noor University (PNU), Zanjan, Iran E-mail: e_vesali@yahoo.com

†Islamic Azad University, Tabriz Branch, Tabriz, Iran.

Abstract

In this work, the correlation between geometry and energy of structures were studied. Geometrical parameters including bond lengths and XYZ coordinated of optimized structures, C4H4M, C4H6M and C4H8M (M = C, Si, Ge, Sn and Pb) were calculated. The change order of DGt–s is (except for M = C): C4H6M > C4H8M > C4H4M.

Keywords

Molecular structure, Carbene, Silylene, Germylene, Stanylene, Plumbylene, C4H4M, C4H6M and C4H8M , Singlet-triplet splitting.
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  • Asian J. Chem. /
  •  2010 /
  •  22(2) /
  •  pp 929-933