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Figure 3
Mol­ecular packing of I and II showing the bonding to neighbouring mol­ecules. (a) In I, the Ca2+ ions are shown as a grey spheres at the inversion centres of the unit cell while the other spheres signify water mol­ecules. The content of two y-translated unit cells is shown. Hydrogen bonds are shown in cyan and the metal coordination bonds are shown in dark green. (b) The bonding of the central mol­ecule II (coloured atoms) to four neighbouring mol­ecules via hydrogen bonds.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 74| Part 8| August 2018| Pages 1173-1177
https://doi.org/10.1107/S2056989018010745
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