The title compound, CH5N4O2+·CH6N3+·2NO3−, consists of alternating layers of guanidinium and nitroguanidinium cations, these cations being parallel to each other within the layers and perpendicular in adjacent layers. The layers are connected by N—H⋯O hydrogen bonds to nitrate anions, forming an infinite three-dimensional framework. These hydrogen-bond patterns are closely related to those of guanidinium nitrate.
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Steinhäuser et al. (2007) studied this question.
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