Synthesis, Crystal Structure and Characterization of a New Manganese(II) Complex with o-Benzoylbenzoic Acid

LI Wei*, LI Chang-Hong*, ZHOU Shui-Qi, LI Yu-Lin and KUANG Yun-Fei

Chin. J. Struct. Chem. 2021, 40, 631-636  DOI: 10.14102/j.cnki.0254-5861.2011-3057

May 15, 2021

manganese(II) complex, spectrum analysis, thermal stability, magnetic property

ABSTRACT

A new manganese(II) complex [Mn(C14H9O3)2(C12H8N2)2]·4H2O (1) was synthesized with o-ben- zoylbenzoic acid, manganese sulfate and 1,10-phenanthroline (phen) in the mixture of acetonitrile and water solvent. It crystallizes (C52H42MnN4O10, Mr = 937.83) in monoclinic, space group P21/n with a = 13.3528(5), b = 17.6963(6), c = 19.7889(7) Å, β = 109.647(4)º, V = 4403.8(3) Å3, Dc = 1.415 g/cm3, Z = 4, F(000) = 1948, μ(Mo) = 0.368 mm-1, R = 0.0404 and wR = 0.0956. The crystal structure shows that the manganese ion is coordinated with two oxygen atoms from two o-benzoylbenzoic acid molecules and four nitrogen atoms from two phen molecules, forming a distorted octahedral coordination geometry. The TG, spectrum analysis and magnetic properties of 1 were studied.


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