lambda max of [Fe(phen)3]3+ = 630 nm

Link: http://link.springer.com/article/10.1007%2FBF00519804#page-1

I thin it is around 625 nm for [Fe(phen)3]3+ in acidic pH. However, I would suggest that it is instructive to ensure the band position in other pH(s). Thanks.

Mr. Rizvi,

The data requested are:

In:

H2O - 600 nm

H2SO4 (diluted) 535 nm

melt 610 nm (e = 800 l.mol-1.cm-1) [Ref. 1]

[ref. 1] Electrochemical and spectroscopic studies of polypyridine complexes of iron(II/III) and ruthenium(II/III) in the aluminum chloride-N-1-butylpyridinium chloride molten salt, S. Sahami, R. Osteryoung, Inorg. Chem., 1984, 23, 2511-2518