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The crystal structure of [ZnCl2(NH3)2], diamminedichloridozinc, was re-investigated at low temperature, revealing the positions of the hydrogen atoms and thus a deeper insight into the hydrogen-bonding scheme in the crystal packing. In comparison with previous crystal structure determinations [MacGillavry & Bijvoet (1936). Z. Kristallogr. 94, 249–255; Yamaguchi & Lindqvist (1981). Acta Chem. Scand. 35, 727–728], an improved precision of the structural parameters was achieved. In the crystal, tetrahedral [Zn(NH3)2Cl2] units (point-group symmetry mm2) are linked through N—H...Cl hydrogen bonds into a three-dimensional network.
Nicola Marzari, Marnik Bercx, Elena Gazzarrini, Carl Simon Adorf
Kangning Zhao, Xin Peng, Yuyang Zhang