A hexagonal 2a,csuperstructure of Ba7F12Cl2
Anita Bernsteiner, F. Kubel
Abstract
Anita Bernsteiner, F. Kubel
Abstract
Hydrothermal synthesis yielded crystals of heptabarium dodecafluoride dichloride, Ba7F12Cl2, displaying a new 2a,c hexagonal superstructure with P-6 symmetry. The superstructure results from the disorder of Ba2+ cations over two adjacent tricapped trigonal prismatic sites located in channels parallel to the c axis.
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Hydrothermal synthesis yielded crystals of heptabarium dodecafluoride dichloride, Ba7F12Cl2, displaying a new 2a,c hexagonal superstructure with P-6 symmetry. The superstructure results from the disorder of Ba2+ cations over two adjacent tricapped trigonal prismatic sites located in channels parallel to the c axis.
Key concepts: Superstructure, Hexagonal crystal system, Crystallography, Trigonal crystal system, Hydrothermal circulation, Materials science, Trigonal prismatic molecular geometry, Hydrothermal synthesis