Mossbauer Spectra of Some Iron Complexes

Journal Article · Mon Jan 01 04:00:00 EST 1962 · Journal of Chemical Physics

DOI:https://doi.org/10.1063/1.1732360· OSTI ID:4829076

Epstein, L. M.

Mossbauer spectra were obtained for the following coordthation compounds: iron phthalocyanine, ferrocene, iron carbonyl, iron HI acetylacetonate, and iron II acetylacetonate dipyridine; for the following complex ion salts iron n trisphenanthroline chloride, iron W EDTA Monosodium salt), iron II EDTA, hemin, ferricium picrate, sodium nitroprusside, and some ferro- and ferricyanides. The isomer shift (relative to stainless steel) for iron II has the value expected for an inorganic ion only for iron ll EDTA. In the other complexes the shifts are about 0.4 mm/sec, except ferrocyanide which is near zero. For iron Ill only hemin and ferricyanide have unusually small isomer shifts. The large negative isomer shilt in sodium nitmprusside suggests iron rV. Except for ferrocyanide quadrupole splittings occurred in iron of valence 0, H, and IV and were observed for both spin-paired and spin-unpaired complexes. Splittings varied widely, however not exceeding those for inorganic ferrous salts. Sodium ferricyanide showed an unexpected quadrupole splitting. Other iron III complexes gave broad and unsymmetrical spectra.

• Research Organization: Westinghouse Electric Corp., East Pittsburgh, Penna.
• Sponsoring Organization: USDOE
• NSA Number: NSA-16-020413
• OSTI ID: 4829076
• Journal Information: Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 10 Vol. 36; ISSN 0021-9606
• Publisher: American Institute of Physics (AIP)
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ABSORPTION
ACETONE
ACETYL RADICALS
ACETYLACETONE
AROMATICS
CARBONYLS
CHEMISTRY
CYANIDES
CYCLOPENTADIENYL RADICALS
EDTA
ESTERS
FERROCENE
HEMIN
HETEROCYCLICS
IRON COMPLEXES
IRON COMPOUNDS
ISOMERS
MOESSBAUER EFFECT
NUCLEAR MODELS
ORGANIC CHLORINE COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANOMETALLICS
PAIR PRODUCTION
PHENANTHROLINE
PHTHALIC ACID
PHTHALOCYANINES
PYRIDINES
QUADRUPOLES
SODIUM COMPOUNDS
SPECTRA
SPECTRAL SHIFT
SPIN
STAINLESS STEELS