Synthesis, structure and properties of tetrachlorido[N2,N2,N4,N4,N6,N6-hexakis((pyridin-2-yl)methyl)-1,3,5-triazine-2,4,6-triamine]dicopper(II) bis(acetonitrile), [Cu2Cl4(L)]·2CH3CN

Add time:07/22/2019    Source:sciencedirect.com

The bisadduct of Cu(II) chloride with the potential nonadentate ligand N2,N2,N4,N4,N6,N6-hexakis((pyridin-2-yl)methyl)-1,3,5-triazine-2,4,6-triamine, [Cu2Cl4(L)]·2CH3CN, is described. Each of the 2 Cu(II) ions is in a 5-coordinate geometry, intermediate between square pyramidal and tetragonal pyramidal, comprising a CuN3Cl2 chromophore. The intramolecular Cu–Cu distance of 7.511(2) Å is too large for a significant magnetic interaction, as confirmed by EPR spectroscopy. All Cu–N and Cu–Cl distances are as commonly found. An acetonitrile solvent molecule is filling a lattice cavity. Packing interactions also appear as normal and intermolecular Cu–Cu contacts are 8.773(2) and 9.991(2) Å.

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