Abstract
The behavior of natural zeolite-like hetero-framework zirconosilicate hilairite |Na1.47H0.53(H2O)2.7| [ZrSi3O9] is studied by single crystal X-ray diffraction at a high pressure (up to 4.73 GPa): space group R3, a = 10.5667(2) Å, c = 15.9109(4) Å, V = 1538.54(6) Å3, Z = 6. The compression of hilairite is practically isometric in the whole pressure range studied and is close to linear. Above 3.5 GPa an increasing deterioration of the single crystal is observed, which is interpreted as the started first order phase transition accompanied by significant volumetric changes.
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Original Russian Text © 2014 Yu. V. Seryotkin, V. V. Bakakin, I. V. Pekov.
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Translated from Zhurnal Strukturnoi Khimii, Vol. 55, No. 4, pp. 700–707, July–August, 2014.
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Seryotkin, Y.V., Bakakin, V.V. & Pekov, I.V. Behavior of microporous zirconosilicate hilairite under high pressure. J Struct Chem 55, 666–673 (2014). https://doi.org/10.1134/S0022476614040118
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DOI: https://doi.org/10.1134/S0022476614040118