Stefan Hendricks

2022-01-06

The $\left[{C}_{r}C{l}_{6}\right]}^{3$ ion has a maximum in its absorption spectrum at 735 nm. Calculate the crystal field splitting energy (in
kJ/mol) for this ion.

Carl Swisher

Beginner2022-01-07Added 28 answers

So here, we have the maximum absorbance of

If we calculate the energy of the photon that is absorbed(E) we are also calculating the crystal-field splitting energy

And

Where:

h-Plane's constant

c-Speed of light

So, to get the crystal-field splitting energy in kJ/mol. We need to convert J to kJ(I000)=IkJ) and multiply the energy to Avogadro's number which is

Thomas White

Beginner2022-01-08Added 40 answers

This is the energy per photon change to per mol of photons

22+64

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