Vanadium ditelluride
V4+(Te2−)2 | |
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| Te2V | |
| Molar mass | 306.14 g·mol−1 |
| Appearance | gray solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Vanadium ditelluride is an inorganic compound with the formula VTe2. It is a water-insoluble, gray-black solid. VTe2 has no applications but closely related layered dichalcogenides are subject of much research. VTe2 is the best studied vanadium telluride.
Vanadium ditelluride can be prepared by the reaction of the elements at 1000 °C. The reaction can also be conducted in molten salt. According to X-ray crystallography, it has a layered structure of the cadmium hydroxide packing motif.
A vanadium monotelluride (VTe) is also known (registry number 29888-22-0). It is a nonstoichiometric compound (as is the ditelluride), which crystallizes in the NiAs motif.