Crystal Structure of '-Zn₂V₂O₇

T. I. Krasnenko, V. G. Zubkov, A. P. Tyutyunnik,
L. V. Zolotukhina, and E. F. Vasyutinskaya

Institute of Solid State Chemistry, Ural Division, Russian Academy of Sciences,
ul. Pervomaskaya 91, Yekaterinburg, 620219 Russia

e-mail: zolotukhina@ihim.uran.ru

Received June 30, 2000; in final form, February 2, 2001

Abstract—The crystal structure of the high-temperature modification of zinc pyrovanadate, namely, '-
Zn₂V₂O₇ , is refined by the full-profile Rietveld method (GSAS) using the high-temperature X-ray diffraction
data. The crystals are monoclinic (space group C2/m, Z = 2); the unit cell parameters are as follows: a =
6.9324(2) Å, b = 8.4394(2) Å, c = 5.0326(1) Å, and = 108.272(2)°. Comparative analysis of the crystal struc-
tures of '-Zn₂V₂O₇ , -Mn₂V₂O₇ , and Cd₂V₂O₇ is performed. © 2003 MAIK “Nauka/Interperiodica”.

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