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Figure 4
Variation of the torsion angles between adjacent tetrahedra along the internal t coordinate. The torsion was measured as O—Si⋯Si—O angles neglecting the bridging O atoms. Note the different scales for tetrahedra in the cis configuration (at the top) and in the trans configuration.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 65| Part 5| August 2009| Pages 543-550
doi:10.1107/S0108768109029127
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