Froschauer Barbara, Weil Matthias
Acta Crystallogr Sect E Struct Rep Online. 2012 Aug 1;68(Pt 8):o2555. doi: 10.1107/S1600536812033387. Epub 2012 Jul 25.
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.
溶剂化的标题盐2C₃H₇N₆⁺·C₄H₄O₄²⁻·C₄H₆O₄·2H₂O的不对称单元包含一个基本平面的三聚氰胺鎓（2,4,6-三氨基-1,3,5-三嗪鎓）阳离子（非氢原子的均方根偏差 = 0.0097 Å）、半个琥珀酸根阴离子、半个琥珀酸溶剂分子和一个结晶水分子；完整分子通过倒转对称性产生。通过各组分之间广泛的O-H⋯O、N-H⋯N和N-H⋯O型分子间氢键形成了平行于(12-1)的超分子层。
