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Journal of Structural Chemistry

2012 year, number 6

SINGLE CRYSTAL X-RAY STUDY OF A volatile trans-bis-(2-methoxy-2,6-dimethyl-3-iminoheptane-5-onato)Pd(II) complex

I. A. Baidina, G. I. Zharkova, I. V. Korolkov
Keywords: β-iminoketonates of Pd(II), precursor for MOCVD, volatility, crystal structure

Abstract

A single crystal X-ray study of a novel volatile trans -isomeric complex of palladium Pd(L) 2, obtained based on sterically hindered methoxy-β-iminoketone (HL = C(CH3)2(OCH3)–C(NH)CH2C(O)CH(CH3)2), is performed. The crystallographic data for C20H36N2O4Pd are: a = 10.0408(2) Å, b = 9.9473(2) Å, c = 11.6413(2) Å, β = 96.789(1)°, space group P21/c, Z = 2. The structure is monomeric molecular; the palladium atom has a square coordination with two oxygen and two nitrogen atoms of two bidentately bound ketoiminate ligands in the trans-position. Geometric characteristics of the coordination sites: the bond length of PdO, PdN and the chelate NPdO bond angle are 1.986 Å, 1.974 Å and 93.1 respectively. It is found that Pd, Ni, and Cu complexes with this ligand are isostructural.