Theoretical Approach to Structural Issues of Heavy Main-Group Element Compounds

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Heavier group-14 elements like silicon and germanium form the same types of compounds with carbon but bonding and structural features of the former are often very different from those of the latter. In this study, unresolved issues in silicon structural chemistry are elucidated using qualitative MO theory and DFT calculations as tools. To get closer to the goal of constructing a new qualitative theory that is applicable to structural issues of heavier main-group element chemistry, several useful fundamentals were obtained during the present study.