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Crystal data for sodium calcium sulphate [Na 4 Ca(SO 4 ) 3 ]
Author(s) -
Erdoes E.,
Altorfer H.
Publication year - 1978
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889878012996
Subject(s) - sodium , hexagonal crystal system , calcium , crystallography , chemistry , trigonal crystal system , crystal structure , mineralogy , inorganic chemistry , nuclear chemistry , organic chemistry
Sodium calcium sulphate [Na 4 Ca(SO 4 ) 3 ] crystallizes with a hexagonal (rhombohedral) unit cell, a = 15.737 (3), c = 22.388 (4) Å; Z = 18; D x = 2.616 g cm −3 , D M = 2.62 g cm −3 . An indexed powder pattern and IR absorption data are given.