Structural motives of mixed salts Ag2[Pd(NO2)4·Ag1-xNaxNO2 (x>0.3) and [Pd(NH3)4][MA6](M-Re, Os, Ir, Pt; A-Cl, Br)

Noble metal mixed salts with [Pd(NH3)4][MA6] general formula where (M-Re, Os, Ir, Pt; A-Cl, Br, as well as Ag2[Pd(NO2)4·Ag1-xNaxNO2 (x>0.3) are synthetized and studied using X-ray diffraction technique. For the first ones the isostructural similarity between one another is determined, for the second ones - isostructural similarity with earlier investigated Na2[Pd(NO2)4]·NaNO2. Using the cation sublattice method one studies the reason for arrangement of crystalline structure and estimates metal metal distances. In all cases metal atoms form common cation sublattices with spaces within 4.5-6.3 A interval. Original approach to determine common sublattices in case in crystalline structure there are fragments essentially differing in mass is described. 14 refs., 4 figs., 2 tabs