Name: chromium hexacarbonyl

 Valence region:  CrCO6-1.jpg     (CrCO6-1.txt)

Closeup of first ionization band:  CrCO6-2.jpg     (CrCO6-2.txt)

Click on name of the jpg file to display a plot of the data.  To download the text format datafile to your computer, right-click on the hyperlink to the .txt file and select "Save Target As..."

Further Details
  

Reference
 Hubbard, J. L.; Lichtenberger, D. L. J. Am. Chem. Soc. 1982, 104, 2132-2138