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Figure 2
The centrosymmetric tetranuclear cation cluster of (I[link]), showing the coordination of the Co atoms. Displacement ellipsoids are drawn at the 50% probability level. For clarity, H atoms have been omitted and only fragments of the BPM ligand and the BTC3− anion are shown. Dashed lines indicate the shared edges of the coordination polyhedra [symmetry codes: (i)–(v) as in Table 1[link]; (vi) [{3 \over 2}] − x, y − [{1 \over 2}], [{1 \over 2}] − z; (vii) x − 1, y, z].

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 58| Part 10| September 2002| Pages m487-m489
doi:10.1107/S0108270102014804
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