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High temperature single crystal x-ray diffraction: structure of cubic manganese iodine and manganese bromine boracites

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Published in Journal of Solid State Chemistry. 1995, vol. 120, no. 1, p. 60-63
Abstract The structural parameters of optically controlled cubic Mn I boracite, Mn3B7O13I, and Mn Br boracite, Mn3B7O13Br, were refined on single crystals at 421 and 580 K, resp. (space group F.hivin.43c, Z = 8). To perform these measurements, a low-cost heating device, based on a soldering Fe heating element, was used. Cell parameters are 12.3404(3) .ANG. for Mn I boracite and 12.3100(9) .ANG. for Mn I boracite and 12.3100(9) .ANG. for Mn Br boracite. The cell parameters and the deviation from planarity of the O environment around the metal ion are greater in Mn boracites than in other known cubic boracites. At. coordinates are given.
Keywords Structure manganese iodine bromine boracite crystal
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Structures
Project FNS: 1994
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CROTTAZ, Olivier, KUBEL, Frank, SCHMID, Hans. High temperature single crystal x-ray diffraction: structure of cubic manganese iodine and manganese bromine boracites. In: Journal of Solid State Chemistry, 1995, vol. 120, n° 1, p. 60-63. https://archive-ouverte.unige.ch/unige:31185

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