Diaquasodium(I) perchlorate bis[μ-2-(carboxylatomethyliminomethyl)phenolato]bis[(3-methylpyridine)copper(II)]

In the title compound, [Na(H2O)2]ClO4·[Cu2(C9H7NO3)2(C6H7N)2], the CuII atom is coordinated by one N atom and two O atoms from a tridentate N-salicylideneglycinate Schiff base dianion and one N atom from a 3-methylpyridine ligand. Longer Cu...O contacts [2.680 (2) Å] complete an approximate square-based pyramidal coordination geometry around CuII, forming a dimeric complex across a centre of inversion. The dimeric complexes form stacks along the a axis, with Cu...O contacts of 3.332 (2) Å between them. The Na+ cations and perchlorate anions lie on twofold rotation axes between the stacks. The former are coordinated by two disordered water molecules (each with half-occupancy), and form Na...O contacts of 3.698 (3) Å to the perchlorate anions and Na...π contacts to neighbouring salicylideneglycinate ligands [shortest Na...C = 3.516 (3) Å].

Abstract licence: CC BY

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