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Acta Cryst. (2012). E68, m1191-m1192
[ doi:10.1107/S1600536812035726 ]


M. O. Senge

Abstract: The title compound, [Ni(C28H28N4)], crystallizes with two independent molecules in the unit cell, one of which is located on an inversion center. Both macrocycles exhibit a planar conformation with average deviation from the least-squares-plane of the 24 macrocycle atoms of [Delta]24 = 0.043 Å for the first molecule and 0.026 Å for the molecule located on an inversion center. The average Ni-N bond lengths are 1.955 (2) and 1.956 (2) Å in the two molecules. The molecules form [pi]-[pi] dimers of intermediary strength with a mean plane separation of 3.36 (2) Å.

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