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Journal of Structural Chemistry

2012 year, number 6

SYNTHESIS AND STRUCTURE OF THE DISC-LIKE CLUSTER C72H102N12Ni13O40

A. V. Pestov, P. A. Slepukhin, A. E. Permyakov, Yu. G. Yatluk
Keywords: disc-like cluster Ni13

Abstract

The disc-like cluster C72H102N12Ni13O40 is first time synthesized based on N-(2-pyridyl)methylimino-dipropionic acid. Single crystal X-ray diffraction is used to determine its atomic structure. The cluster consists of seven-nuclear core: nickel(II) hydrocomplex (Ni…Ni distance 3.012-3.032 Å) and six nickel chelates of the corresponding acid arranged around its perimeter (Ni…Ni distance 2.981-3.164 Å). In the chelate part of the complex, the ligand is pentadentate owing to the formation of a bridging bond, thus organizing a coordination geometry of the metal center as a distorted square bipyramid (4+2). Liquid chromatography-mass spectrometry is employed to study the structure of the obtained nickel(II) complexes.