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Acta Cryst. (2003). E59, i83-i85  [ doi:10.1107/S1600536803009553 ]

Monoclinic modification of polymorphic TbB3O6

A. Goriounova, P. Held, P. Becker and L. Bohatý

Abstract: Terbium triborate, TbB3O6, is confirmed to adopt at least two different structural modifications. Its monoclinic modification represents the terminal member of the isostructural series of REB3O6 with RE = La-Tb, and crystallizes in space group I2/a. The structure consists of chains of [B6O12]n6- building units, that run parallel to the c axis, and tenfold coordinated Tb3+ which link the borate chains to give a three-dimensional framework.

Online 9 May 2003


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