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Figure 2
Temperature fits over 13–838 K of the prototype atomic positions (a) Si u and (b) O x, (c) O y and (d) O z of dextro α-quartz in the z(+) setting. For laevo α-quartz in the z(−) setting, switch the signs of all these values. See Table 8[link] for conversion to the obverse settings r(−) for dextro α-quartz and r(+) for laevo α-quartz.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 55| Part 4| August 2022| Pages 1011-1028
https://doi.org/10.1107/S1600576722005945
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