d3 Tanabe-Sugano diagram. Enter the information for Peak 1 cm-1 and Peak 2 cm-1
To find where this ratio falls on the TS diagram. The predicted value of B' and the energies of the transitions will then be calculated.
Make small increments to B' with

This should refresh any new peak information from the Crexpt page.
spin-allowed transitions
4T1g(P) ← 4A2g Green (ν3)
4T1g(F) ← 4A2g Blue (ν2)
4T2g(F) ← 4A2g Red (vν1)
spin-forbidden transitions
2T2g(D) ← 4A2g Purple (f8)
2T1g(H) ← 4A2g Dk green (f7)
2Eg(H) ← 4A2g Copper (f6)
2T2g(H) ← 4A2g Lt green (f5)
2A1g(G) ← 4A2g Grey (f4)
2T2g(G) ← 4A2g Brown (f3)
2T1g(G) ← 4A2g Orange (f2)
2E g(G) ← 4A2g Teal (f1)
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Copyright © 2002-2019 by Robert John Lancashire, all rights reserved.

Created and maintained by Prof. Robert J. Lancashire,
The Department of Chemistry, University of the West Indies,
Mona Campus, Kingston 7, Jamaica.