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Figure 4
The mol­ecular packing in (II)[link], showing (a) four-anion aggregate sustained by amino-N—H⋯O(carboxyl­ate) inter­actions shown as orange dashed lines, (b) detail of the 12-membered {⋯HNH⋯OCO}2 synthon with ammonium-N—H⋯O(carboxyl­ate) hydrogen bonds shown as blue dashed lines and (c) a view of the unit-cell contents in projection down the b axis.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 72| Part 12| December 2016| Pages 1691-1699
https://doi.org/10.1107/S2056989016017266
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