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Bis(melaminium) succinate succinic acid monosolvate dihydrate.

ABSTRACT: The asymmetric unit of the solvated title salt, 2C(3)H(7)N(6) (+)·C(4)H(4)O(4) (2-)·C(4)H(6)O(4)·2H(2)O, contains one essentially planar melaminium (2,4,6-triamino-1,3,5-triazin-1-ium) cation (r.m.s. deviation of the non-H atoms = 0.0097 Å), one-half of a succinate anion, one-half of a succinic acid solvent mol-ecule and one water molecule of crystallization; full mol-ecules are generated by inversion symmetry. Supra-molecular layers parallel to (12-1) are formed through extensive inter-molecular hydrogen bonding of the types O-H⋯O, N-H⋯N and N-H⋯O between the components.

SUBMITTER: Froschauer B

PROVIDER: S-EPMC3414998 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:In the title compound, 2C(3)H(7)N(6) (+)·C(4)H(4)O(6) (2-)·2H(2)O, in which the complete anion is generated by crystallographic twofold symmetry, there are O-H⋯O, N-H⋯O and N-H⋯N hydrogen-bonding inter-actions between neighbouring moieties, forming layers parallel to the bc plane. In addition, π-π contacts [centroid-centroid distance = 3.6541 (9) Å] between the six-membered rings of the melamine cations are observed.

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