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The Sodalite Family – A Simple but Versatile Framework Structure

Institut für Geowissenschaften, Universität Kiel, Olshausenstr. 40, D-24098 Kiel, Germany, wd{at}min.uni-kiel.de

A particular family of crystalline microporous solids, the so-called sodalite family, is presented in various chemical, topological, geometrical, and crystallographic aspects. It is shown that the sodalite structure can be decomposed into three partial structures, namely i) the sodalite framework of all-corner connected TO₄ tetrahedra, ii) a virtual lattice of cage cations, and iii) isolated cage anions. Important properties and features can be explained by interactions of the partial structures. In some cases the interactions are frustrated, resulting in the formation of modulated structures. Substitution effects occur on all three partial structures and occasionally have dramatic effects on phase transitions and phase diagrams.

This article has been cited by other articles:

				E. Bonaccorsi and S. Merlino Modular Microporous Minerals: Cancrinite-Davyne Group and C-S-H Phases Reviews in Mineralogy and Geochemistry, January 1, 2005; 57(1): 241 - 290. [Full Text] [PDF]