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A new centrosymmetric modification of synthetic hilgardite Pb2[B5O9](OH) · 0.5H2O

  • Structures of Inorganic Compounds
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Abstract

A new centrosymmetric modification of Pb-hilgardite Pb2[B5O9](OH) · 0.5H2O is synthesized hydrothermally under conditions close to natural. This modification is intermediate between the centrosymmetric monoclinic phase studied earlier and the polar orthorhombic phase. The occupancies of the framework voids with water molecules, OH-groups, and halogen atoms are considered for all the known varieties of hilgardite. The correlation between the conditions of hilgardite formation and types of structure is established.

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Authors and Affiliations

  1. Moscow State University, Vorob'evy gory, Moscow, 119899, Russia

    T. A. Borisova, O. V. Dimitrova & E. L. Belokoneva

Authors
  1. T. A. Borisova
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  2. O. V. Dimitrova
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  3. E. L. Belokoneva
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Translated from Kristallografiya, Vol. 47, No. 3, 2002, pp. 435–438.

Original Russian Text Copyright © 2002 by Borisova, Dimitrova, Belokoneva.

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Borisova, T.A., Dimitrova, O.V. & Belokoneva, E.L. A new centrosymmetric modification of synthetic hilgardite Pb2[B5O9](OH) · 0.5H2O. Crystallogr. Rep. 47, 390–393 (2002). https://doi.org/10.1134/1.1481921

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  • DOI: https://doi.org/10.1134/1.1481921

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