Title

Electronic Structure of Clusters Modeling Silica

Document Type

Article

Publication Date

4-1987

Publisher

John Wiley & Sons, Inc.

Abstract

Self‐consistent‐field‐Xα‐scattered wave calculations on clusters Si2O76− and H6Si2O7 modeling silica have been performed. Incorporation of Si 3d orbitals produces significant changes in the overall valence structure. In addition to σ Si — O bonds, there exists a bonding π character due to the participation of O 2p and Si 3d. Hydrogen terminators do not seem to correct edge effects for these π states.

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