Ai-E. Shi

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The asymmetric unit of the title compound, C(14)H(14)N(4)·2H(2)O consists of two half-mol-ecules of the main mol-ecule, each situated on an inversion center, and two mol-ecules of water. One-dimensional chains of water mol-ecules are built up by O-H⋯O hydrogen bonds which are then linked with the main mol-ecule via O-H⋯N hydrogen bonds, forming a(More)
In the title compound, (C(10)H(16)N(4))[ZnCl(4)]·2H(2)O, the cation lies abouton a center of inversion and the anion about a twofold rotation axis. The Zn(II) atom is four-coordinate in a tetra-hedral environment. The cations, anions and water mol-ecules are linked by N-H⋯O, N-H⋯Cl and O-H⋯Cl hydrogen bonds into a two-dimensional network.
The cations and anions of the salt, C(10)H(16)N(4) (2+)·2I(3) (-), are linked by N-H⋯I hydrogen bonds and π-π stacking inter-actions(with interplanar distances of 3.575 and 3.528 Å) into a three-dimensional supra-molecular network. The asymmetric unit contains two anions and two half-cations; each cation is centrosymmetric.
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