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Figure 1 The asymmetric unit of (I) extended to show the Ni atom coordination geometry and a full molecule of the 4-pyridineazine ligand, showing displacement ellipsoids at the 50% probability level. Symmetry operation i: 1 − x, 1 − y, 1 − z and ii: 1 + x, 1 + y, −1 + z. |
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