GdAlO3 perovskite

Boulay, D. du; Ishizawa, N.; Maslen, E.N.

doi:10.1107/S0108270104025144

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 1
Pseudo-threefold symmetry of the AlO₆ octahedra in GdAlO₃. Foreshortened Gd—O1 [2.3069 (7) Å] and Gd—O2 [2.3391 (5) Å] bonds (all symmetry combinations) induce static tilting of the octahedra about a Gd—Al—Gd^ix [2 × 3.0793 (3) Å] axis. [Symmetry codes: (i) $[{1 \over 2}]$ − x, −y, $[{1 \over 2}]$ + z; (ii) −1 + x, y, z; (iii) $[\,\,{1 \over 2}]$ − x, $[-{1 \over 2}]$ + y, $[{1 \over 2}]$ + z; (iv) $[{1 \over 2}]$ − x, −y, $[-{1 \over 2}]$ + z; (v) $[-{1 \over 2}]$ + x, $[{1 \over 2}]$ − y, $[3\over2]$ − z; (vi) $[-{1 \over 2}]$ + x, y, $[3\over2]$ − z; (vii) −x, −y, 2 − z; (viii) $[-{1 \over 2}]$ + x, $[{1 \over 2}]$ − y, $[5\over2]$ − z; (ix) −x, $[-{1 \over 2}]$ + y, 2 − z; (x) 1 − x, $[-{1 \over 2}]$ + y, 2 − z.]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 60| Part 12| November 2004| Pages i120-i122

doi:10.1107/S0108270104025144

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