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Dimeric tetrahedral complexes of manganese(II) and iron(II) with benzoyl hydrazones (1978)

Rastogi, Devendra K. ; Sahni, Suresh K. ; Rana, Vidya B. ; [weitere]

Springer

Transition metal chemistry 3 (1978), S. 56-60

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Details

ISSN: 1572-901X

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Summary Dimeric manganese(II)and iron(II)complexes, (ML)2, derived from benzoyl hydrazones ofo-hydroxyaryl aldehydes and ketones arc described and characterised by elemental analyses and by conductance, molecular weight, magnetic, electronic and i.r. spectral measurements. The dimeric nature of the complexes is revealed by i.r. spectra which show bands atca. 885 Mn2+ and 820 cm−1 Fe2+, characteristic of ring vibrations. The i.r. spectra reveal the terdentate nature of the ligands. The electronic spectra in dimethylformamide are consistent with the tetrahedral nature of the complexes. The appreciable lowering inμ eff is attributed to the presence of exchange interactions between two paramagnetic atomsvia oxygen bridges.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01393508

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