Abstract
New double complex salts were prepared: [Pd(Dien)Cl][AuCl4] (I), [Pd(Dien)Cl][AuBr4] (II), and [Pd(Dien)Br][AuBr4] (III). The compounds were studied by elemental analysis, IR spectroscopy, X-ray powder diffraction, and X-ray crystallography. Crystallographic data for I: a = 16.6661(5) A, b = 12 7175(4) A, c = 12.8936(4) A, β = 97.621(1)°, space group C2/c, Z = 8, ρcalcd = 2.863 g/cm3, R = 0.015; for II: a = 8.1855(4) A, b = 21.509(1) A, c = 8.7570(4) A, β = 106.891(1)°, space group P21/c, Z = 4, ρcalcd = 3.429 g/cm3, R = 0.039; for III: a = 7.3660(5) A, b = 8.3330(4) A, c = 12.4914(7) A, α = 104.719(2)°, β = 95.674(3)°, γ = 92.281(3)°, space group P-1, Z = 2, ρcalcd = 3.636 g/cm3, R = 0.061. The crystal structure of [Pd(Dien)Cl]Cl (IV) was established. The crystallographic data for IV: a = 13.935(3) A, b = 4.823(1) A, c = 13.249(3) A, space group Pca21, Z = 4, ρcalcd = 2.092 g/cm3, R = 0.044. Intermolecular interactions (metal-halide ion, halogen-halogen) were revealed, which play an important role in constructing the general motif of crystal structures of compounds I–IV.
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