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Figure 1 A view of a part of the structure of Sr2As2O7. Displacement ellipsoids are drawn at the 50% probability level. [Symmetry codes: (i) y, 1 − x, [{1\over 4}] + z; (ii) 1 − y, x, [{3\over 4}] + z; (iii) 1 − x, −y, [{1\over 2}] + z; (iv) 1 − y, −1 + x, [{3\over 4}] + z; (v) y, −x, [{1\over 4}] + z; (vi) −y, x, [{3\over 4}] + z; (vii) x, y, 1 + z; (viii) −x, 1 − y, [{1\over 2}] + z; (ix) −x, −y, [{1\over 2}] + z; (x) −1 + y, 1 − x, [{1\over 4}] + z; (xi) −1 + x, y, z; (xii) −y, −1 + x, [{3\over 4}] + z.]

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 69| Part 12| November 2013| Page i84
doi:10.1107/S1600536813031619
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