Table 3.

Solid-State Mössbauer Parameters for[Fe(TpivPP)(NO₃)]^- and Related Derivatives

	ΔEQ,mm/s	δFe, mm/s	T, K	ref
High-Spin Iron(II) Complexes
[Fe(TpivPP)(NO3)]-	3.59	0.98	77	tw
[Fe(TpivPP)(OCH3)]-	3.64	1.00	77	31
[Fe(TpivPP)(OC6H5)]-	3.86	1.04	77	31
[Fe(TpivPP)(O2CCH3)]-	4.19	1.03	77	31
[Fe(TpivPP)(O2CCH3)]-	4.25	1.05	4.2	42
[Fe(TPP)(OC6H5)]-	4.01	1.03	4.2	23
[Fe(TpivPP)(Cl)]-	4.36	1.01	77	28
[Fe(TpivPP)(SC6HF4)]-	2.37	0.82	85	28
[Fe(TPP)(THF)2]	2.75	0.96	77	43
[Fe(TPP)(2-MeHIm)]	2.40	0.92	4.2	38
[Fe(TPP)(2-MeHIm)](2-fold)	2.28	0.93	4.2	44
[Fe(TPP)(1,2-Me2Im)]	1.93	0.92	4.2	45
[Fe(TTP)(2-MeHIm)]	1.95	0.85	4.2	45
[Fe(TTP)(1,2-Me2Im)]	2.06	0.86	4.2	45
deoxymyoglobin	2.22	0.92	4.2	44
deoxyhemoglobin	2.40	0.92	4.2	44
Low-Spin Iron(II) Complexes
[Fe(TMP)(Py)2]	1.24	0.45	4.2	46
[Fe(TPP)(Py)2]	1.15	0.40	77	47
[Fe(OEP)(Py)2]	1.13	0.46	4.2	48
[Fe(TPP)(1-VinIm)2]	1.00	0.43	4.2	49
[Fe(TPP)(Pip)2]	1.44	0.51	4.2	50
[Fe(TpivPP)(1-MeIm)2]	1.02	0.46	4.2	50
[Fe(TMP)(1-MeIm)2]a	1.11	0.45	77	51
[Fe(OEP)(1-MeIm)2]a	0.96	0.46	77	51
[Fe(TMP)(PMe3)(1-MeIm)]a	0.75	0.38	77	51
[Fe(TMP)(PMe3)2]a	0.47	0.36	77	51
[Fe(OEP)(PMe3)2]a	0.35	0.36	77	51

^aIn dimethylacetamide solution.