The dependence of the SiO bond length on structural parameters in coesite, the silica polymorphs, and the clathrasils

M. B. Boisen, G. V. Gibbs, R. T. Downs, P. D'Arco

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

Stepwise multiple regression analyses of the apparent R(SiO) bond lengths were completed for coesite and for the silica polymorphs together with the clathrasils as a function of the variables fs(O), P(pressure), fs(Si), B(O), and B(Si). The analysis of 94 bond-length data recorded for coesite indicates that all five of these variables make a significant contribution to the regression sum of squares with an R2 value of 0.84. A similar analysis of 245 R(SiO) data recorded for silica polymorphs and clathrasils indicate that only three of the variables (B(O), fs(O), and P) make a significant contribution to the regression with an R2 value of 0.90. -from Authors

Original languageEnglish (US)
Pages (from-to)748-754
Number of pages7
JournalAmerican Mineralogist
Volume75
Issue number7-8
StatePublished - Jan 1 1990
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

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