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Figure 13
Structure of β-NbO2. (a) Original structure. (b) Result of the application of an inversion through the point [\textstyle{{1}\over{4}}], 0, 0, which is an additional generator in the Euclidean normalizer: the opposite absolute structure is obtained. (c) A wrong disconnected structure obtained by simply inverting the signs of the fractional coordinates, as could be mistakenly done when trying to get the correct absolute structure without considering the position of the inversion centre in the normalizer. Figure drawn with VESTA.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 48| Part 6| December 2015| Pages 1985-1997
doi:10.1107/S1600576715020749
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