Spectroscopic and Biological Studies on Newly Synthesized Cobalt (II) and Nickel (II) Complexes with 2-Acetyl Coumarone Semicarbazone and 2-Acetyl Coumarone Thiosemicarbazone

Table 1

Molar conductance and elemental analysis data.

Ligand/complex	Λ𝑀	Atomic mass	Colour	M.P (°C)	Yield (%)	Elemental analysis data (%) found (calculated)
						M	C	H	N
SCL	—	217	Yellow	224	72	—	59.83 (60.82)	4.97 (5.10)	19.12 (19.34)
[Co(SCL)2](Cl)2	152	563	Brown	230	72	10.42 (10.44)	46.92 (46.83)	3.97 (3.93)	14.92 (14.89)
[Co(SCL)2](NO3)2	184	616	Brown	219	71	9.53 (9.55)	43.89 (42.80)	3.62 (3.59)	18.37 (18.15)
[Ni(SCL)2](Cl)2	158	564	Light brown	226	79	10.40 (10.41)	46.92 (46.85)	3.99 (3.93)	15.18 (14.90)
[Ni(SCL)2](NO3)2	179	617	Light brown	218	73	9.50 (9.51)	43.14 (42.82)	3.64 (3.59)	18.53 (18.16)
TSCL	—	233	light yellow	197	70	—	56.21 (56.63)	4.59 (4.75)	17.81 (18.01)
[Co(TSCL)2](Cl)2	168	595	Brown	205	74	9.84 (9.88)	45.19 (44.30)	3.97 (3.72)	13.87 (14.09)
[Co(TSCL)2](NO3)2	180	648	Light brown	210	81	9.05 (9.07)	39.98 (40.68)	3.37 (3.41)	17.82 (17.25)
[Ni(TSCL)2](Cl)2	174	596	Light yellow	199	71	9.84 (9.84)	45.15 (44.32)	3.86 (3.72)	13.89 (14.10)
[Ni(TSCL)2](NO3)2	187	649	Brown	198	78	9.02 (9.04)	40.16 (40.70)	3.84 (3.42)	17.54 (17.26)

Λ_𝑀: molar conductance (Ω⁻¹ cm² mol⁻¹).