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Journal of Structural Chemistry

2016 year, number 5

Structure and Thermal Properties of Pyridineplatinum(IV) Trimethyl pivaloyl trifluoroacetonate

S.I. Dorovskikh1,2, D.A. Piryazev1,2, I.A. Baidina1, G.I. Zharkova1, N.B. Morozova1
1Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk National Research State University, Novosibirsk, Russia
Keywords: платина(IV), b-дикетон, рентгеноструктурный анализ, термогравиметрия, platinum(IV), b-diketone, X-ray crystallographic analysis, thermogravimetry


The structure of (CH3)3Pt(ptac)Py (ptac = (CH3)3C(O)CHC(O)CF3) is determined by single crystal X-ray diffraction at a temperature of 150 K. The crystallographic data are: space group P 21/ c , a = 8.5513(2) Å, b = 16.1089(3) Å, c = 14,0877(3) Å, b = 107.4060(10)°, V = 1851.75(7) Å3, Z = 4, R = 0.0365. The structure is of the molecular type; the coordination environment of platinum in the molecule is distorted octahedral. The average Pt-O and Pt-CMe distances are 2.149(1) Å and 2.029(5) Å respectively, Pt-N 2.179(2) Å; the chelate angle O-Pt-O = 89.77(8)°. By thermogravimetry the thermal properties of (CH3)3Pt(ptac)Py are studied in the condensed phase.