Structure of the new iron(II) oxalate potassium salt K2Fe[(C2O4)2(H2O)2 ]·0.18H2O - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Acta Crystallographica Section B : Structural Science, Crystal Engineering and Materials [2014-...] Année : 2023

Structure of the new iron(II) oxalate potassium salt K2Fe[(C2O4)2(H2O)2 ]·0.18H2O

S. Amanchar
  • Fonction : Auteur
T. Mazet
B. Malaman
L. V. B. Diop
M. Francois
  • Fonction : Auteur

Résumé

The discovery of a new Fe II oxalate framework of composition K 2 Fe[(C 2 O 4 ) 2 (H 2 O) 2 ]·0.18H 2 O is reported. Its crystal structure was solved by means of single crystal and powder X-ray diffraction. The new organic–inorganic hybrid compound crystallizes in the orthorhombic space group Pca 2 1 with unit-cell parameters: a = 12.0351 (4) Å, b = 15.1265 (5) Å, c = 10.5562 (4) Å. This crystal structure, containing eight chemical formula, consists of a succession of FeO 4 (H 2 O) 2 octahedra and K + cations growing along b direction. Magnetization measurements indicate that the title compound is paramagnetic over the investigated temperature range (2–300 K). Both magnetization and 57 Fe Mössbauer data indicate that Fe 2+ is in a high-spin state.
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Dates et versions

hal-04185823 , version 1 (23-08-2023)

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S. Amanchar, T. Schweitzer, T. Mazet, B. Malaman, L. V. B. Diop, et al.. Structure of the new iron(II) oxalate potassium salt K2Fe[(C2O4)2(H2O)2 ]·0.18H2O. Acta Crystallographica Section B : Structural Science, Crystal Engineering and Materials [2014-..], 2023, 79 (4), pp.263-270. ⟨10.1107/s2052520623004602⟩. ⟨hal-04185823⟩
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