Coordination Polymer: Synthesis, Spectral Characterization and Thermal Behaviour of Starch-Urea Based Biodegradable Polymer and Its Polymer Metal Complexes

Table 5

Electronic spectral bands and magnetic moment measurements of polymer metal complexes.

Complexes	Magnetic moment (B.M.)	Bands cm^−1	Transitions	Geometry	10Dq	B	β ^0	𝛽%
SUr-Mn(II)	5.69	25330	^4A1g(G)← ^6A1g (F)
		22980	^4T2g(G)← ^6A1g(F)	Octahedral	7960	625	0.65	35
		18870	^4T1g(G)← ^6A1g(F)
SUr-Co(II)	4.10	20400	^4T1g(F)← ^4T1g(F)
		14080	^4A2g(F)← ^4T1g(F)	Octahedral	6193	729	0.75	25
		9800	^4T2g(F)← ^4T1g(F)
SUr-Ni(II)	2.77	23809	^3T1g(P)← ^3A2g(F)
		12155	^3T1g(F)← ^3A2g(F)	Octahedral	5952	744	0.69	31
		8335	^3T2g(F)← ^3A2g(F)
SUr-Cu(II)	1.90	25000	Charge transfer spectra	Square planar	—	—	—	—
		15380	^2A1g← ^2B1g (F)	—	—	—	—	—
SUr-Zn(II)		—	—	Tetrahedral	—	—	—	—