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Figure 2
(a) Projection of the structure of (I)[link] along the b axis, showing the two-dimensional honeycomb sheet formed via N—H⋯N hydrogen bonds (dashed lines) between melamine ligands. The large six-membered ring shows four R22(8) motifs. Nitrate anions have been omitted for clarity. (b) Projection of the structure of [Ag4(C3N3H2O3)4(bpy)] (Zhang et al., 2007BB13) along the a axis, showing a similar two-dimensional honeycomb sheet formed via N—H⋯O hydrogen bonds (dashed lines). The large six-membered ring encompasses four R22(8) motifs. Bipyridine mol­ecules have been omitted for clarity.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 65| Part 5| April 2009| Pages m198-m200
doi:10.1107/S0108270109013110
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