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Delattre JL, Stacy AM, Young VG, et al. Study of the structural, electronic, and magnetic properties of the barium-rich iron(IV) oxides, Ba(2)FeO(4) and Ba(3)FeO(5). Inorg Chem. 2002;41(11):2834-8doi: 10.1021/ic0113247.
Delattre, J. L., Stacy, A. M., Young, V. G., Long, G. J., Hermann, R., & Grandjean, F. (2002). Study of the structural, electronic, and magnetic properties of the barium-rich iron(IV) oxides, Ba(2)FeO(4) and Ba(3)FeO(5). Inorganic chemistry, 41(11), 2834-8. https://doi.org/10.1021/ic0113247
Delattre, James L, et al. "Study of the structural, electronic, and magnetic properties of the barium-rich iron(IV) oxides, Ba(2)FeO(4) and Ba(3)FeO(5)." Inorganic chemistry vol. 41,11 (2002): 2834-8. doi: https://doi.org/10.1021/ic0113247
Delattre JL, Stacy AM, Young VG, Long GJ, Hermann R, Grandjean F. Study of the structural, electronic, and magnetic properties of the barium-rich iron(IV) oxides, Ba(2)FeO(4) and Ba(3)FeO(5). Inorg Chem. 2002 Jun 03;41(11):2834-8. doi: 10.1021/ic0113247. PMID: 12033889.
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Inorg Chem. 2002 Jun 03;41(11):2834-8. doi: 10.1021/ic0113247.

Study of the structural, electronic, and magnetic properties of the barium-rich iron(IV) oxides, Ba(2)FeO(4) and Ba(3)FeO(5).

Inorganic chemistry

James L Delattre, Angelica M Stacy, Victor G Young, Gary J Long, Raphaël Hermann, Fernande Grandjean

Affiliations

  1. Department of Chemistry, University of California-Berkeley, Berkeley, California 94720, USA.

PMID: 12033889 DOI: 10.1021/ic0113247

Abstract

Crystals of Ba(2)FeO(4) and Ba(3)FeO(5), grown from a "self-sealing" KOH-Ba(OH)(2) flux, have been characterized by single-crystal X-ray diffraction, Mössbauer spectroscopy, and magnetic measurements. Ba(2)FeO(4) forms nonmerohedral twinned crystals with the monoclinic space group P2(1)/n, a = 6.034(2) A, b = 7.647(2) A, c = 10.162(3) A, beta = 92.931(6) degrees, and Z = 4. Ba(3)FeO(5) crystallizes in the orthorhombic space group Pnma, with a = 10.301(1) A, b = 8.151(1) A, c = 7.611(1) A, and Z = 4. While both compounds feature discrete FeO(4)(4-) tetrahedra, the anion found in Ba(2)FeO(4) has shorter Fe-O bonds and is significantly distorted relative to the Ba(3)FeO(5) anion. An iron valence of 4+ was confirmed by magnet susceptibility measurements and by the low-temperature isomer shifts of -0.152 and -0.142 mm/s relative to alpha-iron for Ba(2)FeO(4) and Ba(3)FeO(5), respectively.

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