Abstract
Abstract X-ray investigations on single crystals of synthetic fairchildite, K2Ca(CO3)2, confirmed the space group P63/mmc with a = 5.294(1) and c = 13.355(2) Å. The structure was determined from three-dimensional Patterson and Fourier syntheses and refined by least-squares to Rw = 0.046. One of the two crystallographically different CO3 groups exhibits an orientational disorder in the oxygens around the C atom. The two positions Me(1)[7] and Me(2)[8] are assumed to be statistically occupied by K and Ca atoms.
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Schedule a callMore From: Zeitschrift für Kristallographie – Crystalline Materials
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