Table of Peak Positions (cm-1) found for Fe(acac)3 or Cr(acac)3 and possible assignments.

	3090	v (C-H) of methine
	2970	antisymm
	2870	symmetric v (C-H) of the Me groups
 	1575  	C=O stretching frequency (reduced double bond order)
 	1522 	C=C perturbed
 	1419	inplane (CH3) deformation - degenerate
 	1385	inplane (CH3) deformation - symmetric
 	1355	"              "
 	1272	v (C-CH3) + v (C=C)
 	1186	inplane (CH) + v (C-CH3)
 	1021	rock (CH3)
 	927	v (C=C) + v (C=O)
 	799	d (C-H) out of plane
	769	d (C-H) out of plane
	665	ring deformation
	653     out of plane CH3-C_O
	559	ring deformation + v (Fe-O)
	548	ring deformation + v (Fe-O)

References:
1) D.A. Thornton, Coord. Chem. Rev., 1990, 104, 173-249
2) K. Nakamoto, Infrared and Raman Spectra of Inorganic and Coordination Compounds, 3rd edition, John Wiley & Sons, New York, 1978.

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Nov-96, rjl