New vibrational study of SODIUM NITROPRUSSIDE DIHYDRATE (cas 13755-38-9). I. Isotopic data for 5 4 Fe, 1 3 C and 1 5 N(O) substituted species

Add time:09/26/2019    Source:infona.pl

The Fourier transform infrared and NIR Raman spectra between 4000 and 50 cm - 1 of sodium nitroprusside dihydrate, Na 2 [Fe(CN) 5 NO] 2H 2 O, normal and enriched with 5 4 Fe, 1 3 C and 1 5 N(O), have been obtained. Results provided wavenumbers and isotopic shifts for most of the 33 vibrational modes of the nitroprusside ion, including the stretching bands of both isotopically concentrated and isolated CN and NO groups, as well as the bending bands of FeNO and FeCN groups and core (skeletal) FeC 5 N stretchings and bendings in isotopically concentrated samples. Assignments of the fundamental vibrations of the [Fe(CN) 5 NO] 2 - ion are supported by calculations based on a new force field, to be reported separately.

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