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Figure 2
A mol­ecular ellipsoid plot of (II)[link] (30% probability level), showing the complete trimeric cation and the four symmetry-related `anionic groups' hydrogen bonded to it. Independent atoms are drawn with principal axis displacement ellipsoids, while their symmetry-related counterparts are shown as open ellipsoids. Heavy broken lines denote inter­actions inter­nal to the `anionic groups' and light broken lines denote those involving the cation. C atoms are not labelled for clarity. [Symmetry codes: (i) x, −y + [{\script{3\over 2}}], z; (ii) x, −y + [{\script{1\over 2}}], z; (iii) −x + [{\script{1\over 2}}], −y + 1, z + [{\script{1\over 2}}]; (iv) −x, −y + 1, −z + 2.]

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 62| Part 7| June 2006| Pages m297-m302
doi:10.1107/S0108270106020087
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