Effect of Ni2+ Doping on the Growth and Properties of Mn-L-Histidine Hydrochloride Monohydrate Crystals

Table 3

Optical values of Ni(II) doped MnLHICl crystal. Observed and calculated energies of various bands in the optical absorption spectrum of Ni(II) doped MnLHICl.

Transition		Wavelength (nm)	Observed wavenumber (cm^−1)	Calculated wavenumber (cm^−1)
For Ni^2+ ion
^3A2g → ^3T2	(F)	510	19602	19628
^3A2g → ^3T1	(F)	680	14594	14618
^3A2g → ^3T1	(P)	1090	9171	9150
𝐷𝑞 = 915 cm^−1  B = 725 cm^−1  C = 2640 cm^−1
For Mn^2+ ion
^6A1g → ^4T1	(G)	425	23523	23520
^6A1g → ^4A1	(G)	610	16371	16388
𝐷𝑞 = 850 cm^−1  B = 810 cm^−1  C = 2780 cm^−1   [𝛼] = 76