Crystal structure of fac-trichlorido[tris(pyridin-2-yl-N)amine]chromium(III)
2015
In the neutral complex molecule of the title compound, fac-[CrCl3(tpa)] [tpa is tris(pyridin-2-yl)amine; C15H12N4], the CrIII ion is bonded to three N atoms that are constrained to a facial arrangement by the tpa ligand and by three chloride ligands, leading to a distorted octahedral coordination sphere. The average Cr—N and Cr—Cl bond lengths are 2.086 (5) and 2.296 (4) A, respectively. The complex molecule is located on a mirror plane. In the crystal, a combination of C—H⋯N and C—H⋯Cl hydrogen-bonding interactions connect the molecules into a three-dimensional network.
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