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Figure 1
The distorted square anti­prismatic coordination environment of the Ca2+ cation in the crystal structure of CaSiF6·2H2O(mP2). Displacement ellipsoids are drawn at the 50% probability level and hydrogen atoms shown as spheres of arbitrary radius. Hydrogen atom H2 is disordered over two sites with occupancies 0.49 (5) and 0.51 (5) [Symmetry codes: (i) −x, y, −z + [{1\over 2}]; (ii) x, −y + 1, z − [{1\over 2}]; (iii) −x, −y + 1, −z + 1.]

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
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