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| Figure 1 The asymmetric unit, expanded to show the complete coordination of the Niii cations, with displacement ellipsoids drawn at the 50% probability level. [Symmetry codes: (i) 1-x, −y, 1-z; (ii) −x, −2-y, −z]. |
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| Figure 1 The asymmetric unit, expanded to show the complete coordination of the Niii cations, with displacement ellipsoids drawn at the 50% probability level. [Symmetry codes: (i) 1-x, −y, 1-z; (ii) −x, −2-y, −z]. |