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NCdN(Br)2 crystallizes in the orthorhombic Cmmm space group. The structure is zero-dimensional and consists of four hydrobromic acid molecules and two NCdN clusters. In each NCdN cluster, Cd2+ is bonded in a linear geometry to two equivalent N3- atoms. Both Cd–N bond lengths are 2.57 Å. N3- is bonded in a single-bond geometry to one Cd2+ atom.
CdN(NBr2)3 crystallizes in the monoclinic C2/c space group. The structure is one-dimensional and consists of twelve dibromamine molecules and two CdN ribbons oriented in the (0, 0, 1) direction. In each CdN ribbon, Cd2+ is bonded in a linear geometry to two equivalent N1+ atoms. Both Cd–N bond lengths are 1.99 Å. N1+ is bonded in a linear geometry to two equivalent Cd2+ atoms.
(Cd)2N2(NBr2)6 crystallizes in the trigonal R-3c space group. The structure is zero-dimensional and consists of six ammonia molecules, six cadmium molecules, and eighteen dibromamine molecules.