Synthesis, Spectral, Thermal, Electrochemical, and Biocidal Activity of Tolyl/Benzyl Dithiocarbonates of Zinc(II)

Table 3

In vitro evaluation of Zn(II) complexes for antibacterial activity.

Compd. No.	Diameter of inhibition zone (cm) (conc. in ppm)
	Klebsiella pneumonia (−)			Bacillus cereus (+)
	250 ppm	500 ppm	1000 ppm	250 ppm	500 ppm	1000 ppm
Ligand	0	0	0	0	0	0
1	1.3	1.9	2.2	0.9	1.3	1.4
5	1.6	2.5	2.7	2.2	2.7	3.2
10	2.2	2.8	3.2	0.8	1.7	2.2
15	2.4	3.5	3.6	2.8	3.4	3.6
20	0.6	2.1	2.3	1.6	2.6	2.9
Penicillin	2.2	2.6	2.9	2.4	2.8	2.9