Synthesis and Spectroscopic and Biological Activities of Zn(II) Porphyrin with Oxygen Donors

Table 3

Optical absorption data of X-Zn-t(p-CH₃)PP (X = different phenols as axial ligand) recorded in different solvents with calculated “f” values.

Porphyrins	Solvent	B-band 𝜆max, (log 𝜀), 𝜈1/2; (nm), (dm^3mol^−1cm^−1), (cm^−1)	Q-bands 𝜆max, (log 𝜀), 𝜈1/2 (nm),; (dm^3mol^−1cm^−1), (cm^−1)		Oscillator strength; (f = 4.33 × 10^−9𝜀Δ𝜈1/2)
			Q (1, 0)	Q (0, 0)	B-band	Q-band; Q (1, 0)
p-NH2phO-Zn-t(p-CH3)PP; [(C6H6NO)Zn(C48H36N4)]	MtOH	435.9, 714; (5.638), 45489	589, 925; (4.724), 51621	604, 531; (4.604)	0.140635	0.206755
	CHCl3	433.9, 437; (5.329), 23458	570.9, 1096; (4.749), 53403	604.6, 532; (4.598)	0.044387	0.253434
	CH2Cl2	432.8, 542; (5.261), 18609	568.4, 679; (4.896), 63885	601, 740; (4.423)	0.0436727	0.1878264
	CCl4	430, 631; (5.594), 42352	560.1, 594; (4.726), 51764	586, 447; (4.412)	0.115715	0.1331380
m-ClphO-Zn-t(p-CH3)PP; [(C6H4ClO)Zn(C48H36N4)]	MtOH	433.4, 615; (5.964), 71749	564, 459; (4.643), 47858	592, 525; (4.428)	0.19106399	0.0951163
	CHCl3	425, 750; (5.781), 58129	548, 455; (4.439), 32674	579, 549; (4.532)	0.1807739	0.0643726
	CH2Cl2	424, 857; (5.536), 39894	546, 426; (4.552), 41085	573, 503; (4.561)	0.14803905	0.0757845
	CCl4	422.8, 820; (5.536), 39894	542, 561; (4.742), 55227	568, 511; (4.431)	0.1416476	0.1341536
m-NO2phOZn-t(p-CH3)PP; [(C6H4NO3)Zn(C48H36N4)]	MtOH	429, 686; (5.389), 29681	584, 485; (4.643), 49061	616.2, 555; (4.222)	0.0881638	0.1030306
	CHCl3	427, 770; (5.872), 66534	546, 426; (4.643), 49061	580, 463; (4.428)	0.2218310	0.0904969
	CH2Cl2	427.8, 607; (5.418), 31893	544.8, 470; (4.549), 41889	577.4, 367; (4.431)	0.0838246	0.0852483
	CCl4	424.4, 766; (5.569), 43415	542.9, 540; (4.321), 24493	540.2, 584; (4.249)	0.1439980	0.0572695