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Figure 4
The double hydrogen bonds between atoms N3 and N5 of the biguanidium groups and the sulfate anions in (II ). [Symmetry codes: (A) x − 1, y − 1, z; (B) 1 − x, 1 − y, 1 − z; (C) 2 − x, 2 − y, 1 − z.] |
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Figure 4
The double hydrogen bonds between atoms N3 and N5 of the biguanidium groups and the sulfate anions in (II ). [Symmetry codes: (A) x − 1, y − 1, z; (B) 1 − x, 1 − y, 1 − z; (C) 2 − x, 2 − y, 1 − z.] |