Synthesis, Characterization, and Physicochemical Studies of Mixed Ligand Complexes of Inner Transition Metals with Lansoprazole and Cytosine

Table 8

(a) Electronic spectral data of mixed ligand complexes of Lanso-Cyto. (b) Electronic spectral data and related bonding parameter of ternary complexes of Lanso-Cyto.

(a)    

Serial no.	Metals complexes	λ max (nm)	ABS	ε max (Lmol^−1cm^−1)	Assignment
1	[Th·Lanso·Cyto·4H2O]NO3·xH2O	221	0.2057	2057	n-π*
		293	0.0913	913	π-π*
2	[Ce·Lanso·Cyto·4H2O]SO4·xH2O	218	0.4268	4268	n-π*
		298	0.3822	3822	π-π*
3	[Gd·Lanso·Cyto·4H2O]NO3·xH2O	225	0.7008	7008	n-π*
		295	0.5243	5243	π-π*

(b)  

Serial no.	Complex	Lanthanide salts (cm^−1)	Complex band (cm^−1)	β	1−β	𝑏^1/2	δ%	η
1	[Th·Lanso·Cyto·4H2O]NO3·xH2O	47619	44248	0.9292	0.0708	0.13304	7.61945	0.03475
		43290	35461	0.81914	0.18086	0.21263	22.0792	0.08592
2	[Ce·Lanso·Cyto·4H2O]SO4·xH2O	47169	45455	0.96366	0.03634	0.09531	3.77103	0.01800
		43859	35461	0.80852	0.19147	0.21878	23.6824	0.09065
3	[Gd·Lanso·Cyto·4H2O]NO3·xH2O	47846	45248	0.94570	0.0543	0.11651	5.7417	0.05430
		39525	34965	0.88462	0.11538	0.16983	13.0428	0.11538
4	[Nd·Lanso·Cyto·4H2O]NO3·xH2O	47169	45454	0.96364	0.03636	0.09534	3.7737	0.01801
		42553	38610	0.90733	0.09267	0.15220	10.2134	0.04521