147343-54-2Relevant academic research and scientific papers
Syntheses and characterization of dinuclear gold(I) ring and open-ring complexes containing saturated and unsaturated dithiol bridging ligands and phosphine or bis(diphosphine) donor ligands. Crystal structures of [Au2(μ-S(CH2)3S)(μ-dppm)], [Au2(μ-MNT)(PPh3)2], [Au2(μ-S ...
Dávila, Rosa M.,Elduque, Anabel,Grant, Tiffany,Staples, Richard J.,Fackler Jr., John P.
, p. 1749 - 1755 (2008/10/08)
Full title: Syntheses and characterization of dinuclear gold(I) ring and open-ring complexes containing saturated and unsaturated dithiol bridging ligands and phosphine or bis(diphosphine) donor ligands. Crystal structures of [Au2(μ-S(CH2)3S)(μ-dppm)], [Au2(μ-MNT)(PPh3)2], [Au2(μ-S2C6H4)(PPh 3)2], and [Au4(μ-S2C6H3CH3) 2(PEt3)2]. Dinuclear gold(I) complexes of the type [Au2(μ-dithiolate)(L)n] where L is a phosphine or bis(dialkylphosphine) have been synthesized. The molecular structures of [Au2(μ-S(CH2)3S)(μ-dppm)] [dppm = bis((diphenylphosphino)methane)] (1), [Au2(μ-MNT)(PPh3)2] (MNT = 1,2-dicyanoethene-1,2-dithiolate-S,S′) (2), and [Au2(μ-S2C6H4)(PPh 3)2] (3) are described. In addition, the structure of the tetranuclear bis(dithiolate) [Au4(μ-S2C6H3CH3) 2(PEt3)2] (4) is reported. Compound 1 exhibits linear S-Au-P coordination and significant metal-metal interaction, Au?Au = 3.128(1) A?. The open-ring complexes 2 and 3 contain an irregular three-coordinate gold(I) center and a normal two-coordinate, linear gold(I) center in contrast to 1. Compound 4 is a result of [Au(PEt3)]+ coordination to [Au2(μ-S2C6H3CH3) 2]2-. Pertinent crystal data are as follows: Compound 1 crystallized in the monoclinic space group C2/c with a = 29.765(9) A?, b = 11.479(2) A?, c = 18.032(4) A?, β = 114.65(1)°, and V = 5600(2) A?3. Compound 2·Et2O crystallized in the space group P21/c with a = 17.663(5) A?, b = 14.185(3) A?, c = 18.780(3) A?, β = 114.853(18)°, and V = 4269(2) A?3. Compound 3 crystallized in the space group P21 with a = 10.761(4) A?, b = 10.687(4) A?, c = 16.227(5) A?, β = 98.82(3)°, and V = 1844(1) A?3. Compound 4 crystallized in the space group P21 with a = 9.767(2) A?, b = 12.373(3) A?, c = 14.096(3) A?, β = 92.71(2)°, and V = 1707(1) A?3.
