Acta Cryst. (2009). E65, m290-m291  [ doi:10.1107/S1600536809005595 ]

Chlorido[2,15-dimethyl-3,7,10,14,20-pentaazabicyclo[14.3.1]eicosa-1(20),2,14,16,18-pentaene]manganese(II) perchlorate acetonitrile solvate

A. Glowinska, V. Patroniak, W. Radecka-Paryzek and M. Kubicki

Abstract: The Mn ion in the title complex, [MnCl(C₁₇H₂₇N₅)]ClO₄·CH₃CN, is six-coordinated with a geometry intermediate between pentagonal pyramidal and heavily distorted octahedral. In the macrocycle, the pyridinium ring makes a large dihedral angle of 63.70 (9)° with the best plane through the remaining four N atoms. This feature is common for 17-membered N₅ rings, in contrast to their 16- and 15-membered analogues which often form planar N₅ systems. In the crystal, N-HO and C-HO interactions help to establish the packing. The perchlorate counter-ion is rotationally disordered around the chlorine centre, with occupation factors of 0.74 (1) and 0.26 (1).

Online 21 February 2009

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