The EPR spectrum of Mn(CO)5
โ Scribed by J.A. Howard; J.R. Morton; K.F. Preston
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 198 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0009-2614
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UV-irradiated crystals of PPh,+HCr(CO),-exhibit anisotropic EPR spectra at room temperature and below which are characteristic of the presence of an electronic triplet (S = 1). From measurements of the angular dependence of the spectrum it is established that the carrier has axial symmetry with g,,
The microwave rotational spectrum for the symmetric top, manganese pentacarbonylhydride, was measured in the 5-l 1 GHz range using a pulsed-beam, Fourier transform microwave spectrometer. For HMn(CO), we obtained A=E=907.9841( ) MHz andeqQ(Mn)=-44.22(2)MHz.ForDMn(CO)~,A=B=902.7682(3) MHzandeqQ(Mn)=-
The He I photoelectron spectrzm of pentacarbonyltrifluorosilylmanganese contains a band attributable to the Si-hfn bonding level, at a binding energy of 10.4 eV. The corresponding band for the Si&-derivative is probabry obscured by the strchger bands neru 9 eV die to the Mn 3d levels.