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Refinement of crystal structure of a Ge-analogue of natisite Na2{TiGeO4} and prediction of new phases with anionic {MTO5} radicals

  • Structure of Inorganic Compounds
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Abstract

The crystal structure of the synthetic Ge-modification of the mineral natisite, Na2{ TiOGeO4}, has been refined by X-ray diffraction method (a four-circle diffractometer, 2θ/θ scanning, MoK α-radiation, θmax = 50°: a = 6.658(1), c = 5.161(1) Å, sp. gr. P4/nmm, Z = 2, ρcalcd = 3.58 g/cm3, R1 = 0.030, s = 1.131, wR(F 2) = 0.058 (352 reflections with I≥2σI). The comparative crystallochemical analysis of the related (including hypothetical) phases with the anionic {MTO 5} radicals (M = Ti, V, Ge; T = Ge, Si, P) is performed with the aim of revealing a possible relationship between the composition and the structure type of the compounds.

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Authors and Affiliations

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

    O. V. Yakubovich

  2. Moscow State Academy of Fine Chemical Technology, Moscow, Russia

    V. V. Kireev

  3. Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow, 117333, Russia

    O. K. Mel’nikov

Authors
  1. O. V. Yakubovich
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  2. V. V. Kireev
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  3. O. K. Mel’nikov
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__________

Translated from Kristallografiya, Vol. 45, No. 4, 2000, pp. 635–641.

Original Russian Text Copyright © 2000 by Yakubovich, Kireev, Mel’nikov.

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Yakubovich, O.V., Kireev, V.V. & Mel’nikov, O.K. Refinement of crystal structure of a Ge-analogue of natisite Na2{TiGeO4} and prediction of new phases with anionic {MTO5} radicals. Crystallogr. Rep. 45, 578–584 (2000). https://doi.org/10.1134/1.1306565

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  • DOI: https://doi.org/10.1134/1.1306565

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