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Figure 11
Comparison of structural variables for hypothetical α-quartz structures containing regular SiO4 tetrahedra with the experimental structures of Antao (2016BB2) at temperatures between 566 and 844 K. (a) tilt angle ϕ and tetrahedral volume Vtetra; (b) mean Si—O distance and Si-framework Δ-parameter; (c) Si-framework L-parameter.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 77| Part 3| June 2021| Pages 427-440
https://doi.org/10.1107/S2052520621002717
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