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- W3033592470 abstract "Interaction of triphenyl- n -butylphosphonium bromide and triphenylmethoxymethylphosphonium chloride with potassium dichlorodicyanoaurate in water followed by recrystallization from ethanol has been used to synthesize the novel gold(III) ionic complexes [Ph 3 PBu- n ][Au(CN) 2 Cl 2 ] ( 1 ) and [Ph 3 PCH 2 OMe][Au(CN) 2 Cl 2 ] ( 2 ), respectively. They have been structurally characterized. The X-ray diffraction pattern has been obtained at 293 K on an automatic diffractometer D8 Quest Bruker (Mo K α -radiation, λ = 0.71073 Å, graphite monochromator) of crystals 1 [C 24 H 24 N 2 PCl 2 Au, M 639.29; the monoclinic syngony, the symmetry group P 2/c; cell parameters: a = 17.790(10), b = 8.750(7), c = 16.295(9) Å; α = 90.00°, β = 95.984(16)°, γ = 90.00°; V = 2523(3) Å 3 ; the crystal size is 0.51×0.34×0.26 mm; intervals of reflection indexes are –24 ≤ h ≤ 23, –12 ≤ k ≤ 11, –22 ≤ l ≤ 22; total reflections 90802; independent reflections 6806; R int 0.0538; GOOF 1.029; R 1 = 0.0722, wR 2 = 0.2385; residual electron density –1.54/7.70 e/Å 3 ] and 2 [C 22 H 20 N 2 PCl 2 OAu, M 627.24; the triclinic syngony, the symmetry group P –1; cell parameters: a = 8.251(7), b = 9.170(6), c = 16.479(13) Å; α = 77.85(3)°, β = 87.40(4)°, γ = 77.53(4)°; V = 1190.1(16) Å 3 ; the crystal size is 0.73×0.46×0.43 mm; intervals of reflection indexes are –12 ≤ h ≤ 12, –14 ≤ k ≤ 14, –25 ≤ l ≤ 25; total reflections 64367; independent reflections 9150; R int 0.0495; GOOF 1.031; R 1 = 0.0735, wR 2 = 0.2304; residual electron density –3.87/4.52 e/Å 3 ], the phosphorus atoms have a slightly distorted tetrahedral coordination (the CPC bond angles are 108.2(4)-110.6(5)° ( 1 ), 107.5(4)-112.1(4)° ( 2 ); the P–C bond lengths are 1.794(9)-1.814(9) Å ( 1 ), 1.786(8)-1.798(7) Å ( 2 )). The gold atoms in centrosymmetric crystallographically independent [Au(CN) 2 Cl 2 ] - anions have a slightly distorted square-planar coordination (the HalAuCl and CAuC trans -angles are quite close to 180°; the CAuCl cis -angles vary from 86.2(5)° to 93.8(5)°), the Au–Cl bond lengths are 2.418(4) Å and 2.396(2) Å ( 1 ), 2.360(2) Å and 2.405(3) Å ( 2 ); the Au–C bond lengths are 2.002(14) Å and 2.264(18) Å ( 1 ), 1.992(11) Å and 2.102(18) Å ( 2 ). The structural organization in crystals 1 and 2 is caused by the weak van-der-Waals interactions: С–H Bu ∙∙∙N≡C 2.62 Å ( 1 ) and C–H Ph ∙∙∙N≡C 2.66–2.67 Å ( 2 )." @default.
- W3033592470 created "2020-06-12" @default.
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- W3033592470 date "2020-01-01" @default.
- W3033592470 modified "2023-09-24" @default.
- W3033592470 title "Ionic Complexes [Ph3PBu-n][Au(CN)2Cl2] and [Ph3PCH2OMe][Au(CN)2Cl2]: Synthesis and Structure" @default.
- W3033592470 doi "https://doi.org/10.14529/chem200204" @default.
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