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Figure 1
The centrosymmetric tetranuclear unit of (I[link]), also showing one rectangular junction. Intrachain hydrogen-bond interactions (O6—H⋯O1ii omitted) are shown as dashed lines. Displacement ellipsoids are drawn at the 50% probability level and the atom-numbering scheme is shown. Methyl-group H atoms, perchlorate ions and uncoordinated water molecules have been omitted. [Symmetry codes: (i) −x, 2 − y, 1 − z; (ii) 1 − x, 1 − y, 1 − z.]

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 60| Part 10| September 2004| Pages m546-m548
doi:10.1107/S0108270104021456
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