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Figure 4
A view of the centrosymmetric hydrogen-bonded penta­mer containing one [Cu(PTA)2(H2O)2]2+ dication (green in the electronic version of the paper), two PTA mol­ecules (red) and two nitrate anions (blue); the two other nitrate anions in the top right and bottom left of the figure, which co-operate in two weak N5—H5N⋯O4ii and N5—H5N⋯O6ii hydrogen bonds, assemble neighboring penta­mers in a two-dimensional array. Hydrogen bonds are shown as thin dotted lines. [Symmetry codes: (i) −x + 1, −y + 1, −z + 1; (ii) x − [{1\over 2}], −y + [{1\over 2}], z − [{1\over 2}].]

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 5| April 2011| Pages m160-m164
doi:10.1107/S010827011101403X
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