Powder neutron diffraction of Tl2BeF4 at six temperatures from room temperature to 1.5 K

Silva, I. da; González-Silgo, C.; González-Platas, J.; Rodríguez-Carvajal, J.; Martínez-Sarrión, M.L.; Mestres, L.

doi:10.1107/S010827010503249X

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 3
Arrangement of the nearest-neighbour BeF₄ tetrahedra to (a) 9- and (b) 11-coordinated Tl⁺ cations, showing the shortest (thick solid lines) and longest (thin dashed lines) bonds. Intermediate bonds are drawn with thin solid lines. [Symmetry codes: (i) 1 − x, $[{1\over 2}]$ + y, 1 − z; (ii) $[{1\over 2}]$ + x, $[{1\over 2}]$ − y, $[{1\over 2}]$ − z; (iii) $[{1\over 2}]$ − x, 1 − y, $[{1\over 2}]$ + z; (iv) −x, $[{1\over 2}]$ + y, 1 − z; (v) 1 − x, 1 − y, 1 − z; (vi) $[{1\over 2}]$ − x, $[{1\over 2}]$ + y, $[{1\over 2}]$ + z; (vii) x, $[{1\over 2}]$ − y, z; (viii) x, 1 + y, z; (ix) $[{1\over 2}]$ − x, 1 − y, − $[{1\over 2}]$ + z; (x) $[{1\over 2}]$ + x, $[{3\over 2}]$ − y, $[{1\over 2}]$ − z; (xi) $[{1\over 2}]$ + x, $[{1\over 2}]$ − y, $[{1\over 2}]$ − z; (xii) $[{1\over 2}]$ + x, 1 + y, $[{1\over 2}]$ − z.]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 61| Part 12| November 2005| Pages i113-i116

doi:10.1107/S010827010503249X

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