Acta Cryst. (2010). E66, i1 [ doi:10.1107/S1600536809050922 ]
Abstract: Lanthanum zinc pentaborate, LaZnB5O10, was synthesized by flux-supported solid-state reaction. It is a member of the LnMB5O10 (Ln = rare earth ion and M = divalent metal ion) structure type. The crystal shows a three-dimensional structure constructed from two-dimensional {[B5O10]5-}n layers with the lanthanum (coordination number nine) and zinc (coordination number six) ions filling in the interlayers.
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