KCaF(CO3) from X‐ray powder data

Potassium calcium fluoride carbonate, KCaF(CO3), has been synthesized and its structure solved from X‐ray powder diffraction data. The K, Ca, F and C atoms lie at sites with imposed symmetry and the unique O atom has imposed mm site symmetry. The compound consists of Ca–F–Ca chains parallel to the c...

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Published inActa crystallographica. Section E, Structure reports online Vol. 60; no. 4; pp. i50 - i51
Main Authors Chen, Xiao‐Long, He, Meng, Xu, Yan‐Ping, Li, He‐Qing, Tu, Qing‐Yun
Format Journal Article
LanguageEnglish
Published 5 Abbey Square, Chester, Cheshire CH1 2HU, England Munksgaard International Publishers 01.04.2004
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Summary:Potassium calcium fluoride carbonate, KCaF(CO3), has been synthesized and its structure solved from X‐ray powder diffraction data. The K, Ca, F and C atoms lie at sites with imposed symmetry and the unique O atom has imposed mm site symmetry. The compound consists of Ca–F–Ca chains parallel to the c axis and planar CO3 groups perpendicular to the c axis, the corners of the hexagonal cell being occupied by K+ ions. The compound is not a solid solution, since the structure differs from those of both KF and CaCO3.
ISSN:1600-5368
1600-5368
DOI:10.1107/S1600536804005069