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Article Dans Une Revue Acta Crystallographica Section C : Crystal Structure Communications [1968-2013] Année : 2012

Cation ordering in the double tungstate LiFe(WO 4 ) 2

Marjorie Albino
  • Fonction : Auteur
Stanislav Pechev
Matias Velazquez
Michael Josse
  • Fonction : Auteur

Résumé

Single crystals of lithium iron tungstate, LiFe(WO 4 ) 2 , were obtained using a high-temperature solution growth method. The analysis was conducted using the monoclinic space group C 2/ c , with β = 90.597 (2)°, giving R 1 = 0.0177. The Li and Fe atoms lie on twofold axes. The structure can also be refined using the orthorhombic space group Cmcm , giving slightly higher residuals. The experimental value of β and the residuals mitigate in favour of the monoclinic description of the structure. Calculated bond-valence sums for the present results are closer to expected values than those obtained using the results of a previously reported analysis of this structure.

Dates et versions

hal-03898231 , version 1 (14-12-2022)

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Citer

Marjorie Albino, Stanislav Pechev, Philippe Veber, Matias Velazquez, Michael Josse. Cation ordering in the double tungstate LiFe(WO 4 ) 2. Acta Crystallographica Section C : Crystal Structure Communications [1968-2013], 2012, 68 (2), pp.i7-i8. ⟨10.1107/s0108270111053832⟩. ⟨hal-03898231⟩

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