Structure Cristalline de TIVO3
- 15 October 1974
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 52 (20) , 3539-3543
- https://doi.org/10.1139/v74-525
Abstract
Thallium metavanadate (TIVO3) crystallizes in an orthorhombic lattice (space group Pbcm) with parameters a = 5.16, b = 11.22, c = 5.73 Å with Z = 4. The structure was determined using 255 independent reflections measured with an automatic diffractometer.Vanadium has a tetrahedral coordination in this structure. The tetrahedra are joined by having two oxygens in common to form chains (VO3)nn− parallel to the c axis.TIVO3 is established to be isomorphous to the metavanadates MVO3 (M = K, NH4, Rb, Cs). Thallium has a coordination number of ten analogous to that of the alkali metals. The study demonstrates that the 6s2 doublet of thallium is sterochemically inactive in TIVO3. [Journal translation]Keywords
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