The synthesis of a tris(1,4-butanediyldithioethylene-1,2-dithiolate) complex of vanadium. Structure and electronic properties
- North Carolina State Univ., Raleigh, NC (United States)
A monoanionic vanadium complex has been isolated from the reaction of vanadium(III) chloride and the dipotassium salt of the dithiolene, 1,4-butanediyldithioethylene-1,2-dithiolate (BDDT). The complex, isolated as the tetraethylammonium salt and recrystallized from acetone, produced dark blue crystals suitable for an X-ray structural study. The material crystallizes in the monoclinic system, space group P2{sub 1}/c, with a = 10.798(11) {Angstrom}, b = 19.244(30) {Angstrom}, c = 36.370(42){Angstrom}, {beta} = 9223(7){degrees}, V = 7552(12) {Angstrom}{sup 3}, z = 8, and R = 0.116. Extended Hueckel molecular orbital calculations suggest that this is best described as a V(V) complex. In contrast, however, a comparison of the MO calculation with the tris-vanadium complex of 1,2-ethanediyldithioethylene-1,2-dithiolate (DDDT) suggests this latter system is more appropriately described as a lower oxidation state of vanadium with a partially oxidized ligand. The structural data also suggest this interpretation.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 182241
- Journal Information:
- Journal of Coordination Chemistry, Vol. 33, Issue 4; Other Information: PBD: Dec 1994
- Country of Publication:
- United States
- Language:
- English
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