Table 5: The UV-Vis. absorption spectra, molar conductance and magnetic moment of metal complexes.

Compund
Symbol 		        λmax nm Λm
Ω−1mol−1cm2 		μeff.
(B.M.) 		        Transitions         Geometry
S.TH
Ligand		 638, 538, 468, 427
358, 338.
266, 222, 210.
S.TH-Ag
1:1		 633, 534, 443,
349, 260, 224.		 33.27 Diamagnetic         no d-d transition         Square planar
S.TH-Co
2:1		 632, 538, 467, 429,
379, 354, 293.
        261, 229.		 120.21 5.24         s 4T1g → 4T2g(F)(ν1), 4T1g → 4A2g(F)(ν2) 4T1g → 4T1g(P)(ν3)         Octahedral
S.TH-Cr
2-1		 637, 538, 455,
375, 350, 275.
        260, 227, 215.		         114.16 3.71         4B1g → 4Eg (4T2g), II: 4B1g → 4B2g(4T2g), III: 4B1g → 4E g(4T1g), IV: 4B1g → 4A2g(4T1g) V: 4B1g → 4A2g(4T1g (P)), VI: 4B1g → 4E2g (4T1g (P)         Octahedral
S.TH- Cu
2-1		 633, 588, 536, 469, 410,375, 335, 274.
250, 227.		 14.96 2.11         2B1g→2B2g,
        2B1g→2Eg,
        2B1g →2A1g 		        Octahedral
S.TH-Ni
2:1		 638, 537, 467,403,
366, 323, 278.
        250, 227.		 11.67 3.04         3A2g → 3T1g(P)(ν1), 3A1g → 3T2g(F)(ν2) and 3A2g→ 1Eg         Octahedral
S.TH-Zn
2:1		 636, 538, 461, 401.
362,253, 221.		 16.07 Diamagnetic         no d-d transition         Octahedral