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Afroj, D.; Yamauchi, Takashi; Katada, Motomi

doi:10.1023/a:1022591206813

Cited by 2 publications

(2 citation statements)

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“…Relaxation of the spectra i.e. delocalization of the valence state was started at about 200 K temperature which is very similar to the previously reported fumarate complex [11,12]. The room temperature spectrum of iron isophthalate complex is a single doublet assigned as the delocalized averaged doublet of Fe(III) and Fe(II) doublets by the isomer shift and quadrupole splitting values.…”

Section: Resultssupporting

confidence: 81%

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Variable temperature Mössbauer spectroscopic studies of oxo-centered trinuclear mixed-valence iron succinate, mesaconate and isophthalate complexes

Afroj¹,

Katada

2006

Hyperfine Interact

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Three new oxo-centered trinuclear mixed-valence iron complexes, iron succinate, iron mesaconate and iron isophthalate have been prepared. Temperature dependent valence delocalization processes were observed for all the complexes on variable temperature Mö ssbauer spectroscopic studies. Two clear quadrupole split doublets attributed to high-spin Fe(III) and high-spin Fe(II) states were existed for the complexes at liquid nitrogen temperature. At room temperature a nearly averaged singlet peak was observed for mesaconate complex and averaged doublet peaks were observed for succinate and isophthalate complexes with IS values 0.68 and 0.68 mms j1 and QS values 0.44 and 0.48 mms j1 respectively.

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Section: Resultssupporting

confidence: 81%

“…Some trinuclear iron(III) dicarboxylates have been reported by Dziobkowski et al [10]. [11,12]. There we succeeded to interpret Mö ssbauer spectra of fumarate complex by relaxation model based on electron hopping model given by Dziobkowski et al [4].…”

Section: Introductionmentioning

confidence: 80%