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Figure 1
The coordination environment of the Ae2+ ion in compounds (I)[link] and (II)[link], showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 50% probability level. [Symmetry codes for (I)[link]: (i) 2 − x, [{1\over 2}] − y, z; (ii) [{1\over 2}] + x, [{1\over 2}] − y, [{1\over 2}] − z; (iii) x − [{1\over 2}], [{1\over 2}] − y, [{1\over 2}] − z; (iv) 2 − x, y, z; (v) [{1\over 2}] + x, y, [{1\over 2}] − z; (vi) x − [{1\over 2}], −y, z; (vii) −x − [{1\over 2}], y, [{1\over 2}] − z; and for (II)[link]: (i) 2 − x, y, z; (ii) [{3\over 2}] − x, y, [{1\over 2}] − z; (iii) x + [{1\over 2}], y, [{1\over 2}] − z.]

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
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