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Comparison of the equilibrium geometry of acetylene (C2H2) and disilyne (Si2H2)
Authors:Fumio Kawai  Takeshi Noro  Akinori Murakami  Kimio Ohno
Affiliation:Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060, Japan
Abstract:The equilibrium geometry of disilyne is not linear, but is twisted. The potential surfaces of acetylene and disilyne have a critical internuclear distance between the central atoms, where the stable geometry changes from linear to twisted forms the R-dependence of the valence-shell electron energy causes the difference in the structure of the molecules.
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