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Figure 9
(a) Projection of the seven independent molecules in [Ni(H2O)6](NO3)2](15-crown-5)·2H2O at T = 90 K showing the two basic positions of the cation and the 15-crown-5 groups as well as the multiple positions of the nitrate ions. (b) Projection of the five independent molecules of [Ni(MeCN)(H2O)2(NO3)2](15-crown-5)·MeCN at T = 90 K showing the two basic orientations of the nickel. Pictures taken from Siegler et al. (2011BB127, 2012BB128).

IUCrJ
Volume 2| Part 1| January 2015| Pages 137-154
ISSN: 2052-2525
doi:10.1107/S2052252514023550