Fourier transform infrared spectra and normal vibrations of CuO

摘要: Abstract The Fourier transform infrared spectra of CuO were recorded in the region 15–1000 cm -1 at 300 K and 90 K. Combining our IR data with Raman Cu 16 O 18 from literature, a normal coordinate analysis has been carried out for crystallographic unit cell CuO. This given detailed assignments atomic displacements all modes also expected frequency values (Cu O). It provided reasonable set force constants which would enable one to calculate other copper-oxygen compounds. A band was found develop 418 liquid N 2 temperature this is assigned as possible transition spin wave excitation Au vibrational level 444 . All weaker observed bands are satisfactory explained combination bands.