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BISMUTH(III) COMPLEXES WITH SULFUR AND SELENIUM DONOR LIGANDS - SYNTHESIS AND CRYSTAL-STRUCTURES OF BICL3-CENTER-DOT(PR2(N)P(S)P(S)PR2(N) AND [(ME(2)N)(3)PSESEP(NME(2))(3)](2+) [(BICL4)(2)](N)(2N-)
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UNSPECIFIED (1994) BISMUTH(III) COMPLEXES WITH SULFUR AND SELENIUM DONOR LIGANDS - SYNTHESIS AND CRYSTAL-STRUCTURES OF BICL3-CENTER-DOT(PR2(N)P(S)P(S)PR2(N) AND [(ME(2)N)(3)PSESEP(NME(2))(3)](2+) [(BICL4)(2)](N)(2N-). JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS (20). pp. 3025-3029.
Research output not available from this repository, contact author.Abstract
Direct addition of bismuth(III) chloride and tetra-n-propyldiphosphane disulfide gave bright yellow crystals of the 1:1 adduct BiCl3.(Pr2P)-P-n(S)P(S)Pr-2(n). An X-ray crystallographic investigation reveals a halide-bridged dimeric structure in which each bismuth atom is surrounded by an essentially octahedral arrangement of four chlorine [two terminal, Bi-Cl 2.500(5), 2.516(5), and two bridging, Bi-Cl 2.653(4), 3.015(5) Angstrom] and two sulfur atoms [Bi-S 2.857(4), 2.973(4) Angstrom]. Each of the two ligand molecules is involved in bidentate (S,S') chelation to a bismuth atom to form a five-membered ring. Crystals are monoclinic, space group P2(1)/n, with a = 10.127(6), b = 16.057(6), c = 13.843(6) Angstrom, beta = 93.3(1)degrees, Z = 4, The reaction of BiCl3 and tris(dimethylamino)phosphane selenide in acetonitrile gave the yellow crystalline salt [(Me(2)N)(3)PSeSeP(NMe(2))(3)](2+) [(BiCl4)(2)](2n-)(n) as identified by a crystal structure determination. Formation of the unusual cation follows from air oxidation of the organophosphine selenide in the presence of BiCl3. The Se-Se bond distance is 2.309(5) Angstrom and the torsion angle P-Se-Se-P is -112.4(4)degrees. For the anion, linkage of dimeric (BiCl4), units via further halide bridging results in an infinite chain structure of edge-shared octahedra. Crystals are triclinic, space group P (1) over bar with a = 7.386(6), b = 12.813(8), c = 18.919(8) Angstrom, alpha = 76.0(1), beta = 78:9(1), gamma = 73.2(1)degrees and Z = 2.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry | ||||
| Journal or Publication Title: | JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | ||||
| Publisher: | ROYAL SOC CHEMISTRY | ||||
| ISSN: | 0300-9246 | ||||
| Official Date: | 21 October 1994 | ||||
| Dates: |
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| Number: | 20 | ||||
| Number of Pages: | 5 | ||||
| Page Range: | pp. 3025-3029 | ||||
| Publication Status: | Published |
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