Table 2. Summary of Observed Doming Mode Frequencies.
| complex | doming modea | spin state | ref |
|---|---|---|---|
| five coordinate | |||
| [Fe(TPP)(2-MeHIm)] | 116 | high spin | (134) |
| [Fe(OEP)(2-MeHIm)] | 139 | high spin | (134) |
| [Fe(TPP)(2-MeIm–)]− | 127 | high spin | (138) |
| [Fe(OEP)(2-MeIm–)]− | 125 | high spin | (138) |
| [Fe(TPP)(NO)] | 128 | low spin | (94) |
| [Fe(OEP)(NO)] | 158 | low spin | (94) |
| [Fe(OEP)(CO)] | 157 | low spin | (79) |
| [Fe(OEP)(NO)]+ | 151 | low spin | (110) |
| [Fe(TPP)(CN)]− | 130 | low spin | (127) |
| [Fe(TPP)(CN)]− | 108 | high spin | (127) |
| [Fe(OEP)(Cl)] | 142 | high spin | (38) |
| [Fe(P)(Cl)] | 90 | high spin | (38) |
| [Fe(PPIX)(Cl)] | 135 | high spin | (38) |
| [Fe(P)(Br)] | 69 | high spin | (38) |
| six coordinate | |||
| [Fe(TPP)(1-MeIm)(CO)] | 127 | low spin | (67) |
| [Fe(TpFPP)(1-MeIm)(NO)] | 131 | low spin | (109) |
| [Fe(OEP)(2-MeHIm)(NO)]+ | 152 | low spin | (110) |
| [Fe(TpivPP)(1-EtIm)(O2)] | 118 | low spin | (122) |
| [Fe(TpivPP)(2-MeHIm)(O2)] | 104 | low spin | (122) |
| [Fe(TpivPP)(1-MeIm)(O2)] | 119 | low spin | (122) |
a
Value in cm–1.