Magnetic circular dichroism (MCD) study of non-planar nickel(II) porphyrins
β Scribed by S. Choi; J. Phillips; W. Ware Jr.; C.J. Medforth; M.O. Senge; K.M. Smith
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 69 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0162-0134
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The MCD spectrum of formaldehyde in tic vapor phase has been mea:mred and analyzed. Triplet bands occur with unusually hi& ellipticity, allowing identification of several new sin&et-triplet bands. Also, an additional singlet progression, based on two qdanta of the out-of-plane band and a single quan
## Variable -temperature proton NMR studies on planar cobalI(II) ~rwxryl porphyrin complexes in solution have bscn used LO deduce the electronic s~n~cturc of the cobalI(lI) ion. The analysis provides furlher evidence for the cxislence of n low-lying spin quarux 'A2 about 400 cm-' above lhe ground