Hi Marcos,

maybe these links will be helpful to you:

http://wwwchem.uwimona.edu.jm/courses/Tanabe-Sugano/TSapplets.html

https://www.researchgate.net/post/Why_does_Tetrahedral_Ni2_not_show_emission_bands_around_NIR_range_in_most_of_oxide_but_octahedral_Ni2_do

https://onlinelibrary.wiley.com/doi/pdf/10.1002/pssb.2221510220

https://www.physicsforums.com/threads/interpretation-of-the-tanabe-sugano-diagram.260143/

Hi Markus,

Thanks a lot for the links - I'll check them all!

Cheers,

Marcos