Bilbao Crystallographic Server : Useful Databases and Tools for Phase-Transition Studies

Abstract Bilbao Crystallographic Server is a web site with crystallographic programs and databases available on-line. The programs give access to general information related to space groups (generators, general positions, Wyckoff positions, irreducible representations), group-subgroup or group-supergroup pairs of space groups, and/or results on specific crystal structures. The utility of the programs is illustrated by treating phase-transition problems related to structural pseudosymmetry. Keywords: Space GroupsGroup-subgroup RelationsRepresentations Of Space GroupsPseudosymmetry

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