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Figure 4
Representative for all structures, the atomic arrangement around Si atoms in the structure of Ca4Y3Si7O15N5 (1). Displacement ellipsoids are drawn at the 90% probability level. [Symmetry codes: (i) 1 − y, 1 + x − y, z; (ii) −x + y, 1 − x, z; (iii) x, y, [{1\over 2}] − z; (iv) 1 − y, 1 + x − y, [{1\over 2}] − z; (v) −x + y, 1 − x, [{1\over 2}] − z.]

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 75| Part 2| February 2019| Pages 260-263
https://doi.org/10.1107/S2056989019001257
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