Statistical Physics Modeling of Sorption Isotherms of Aluminum, Iron, and Indium on Tetraphenylporphyrin (H₂TPP) and Tetrakis(4-tolylphenyl)porphyrin (H₂TTPP): Phenomenological Investigation of Metalloporphyrins at the Molecular Level

Table 5

Values of the molar adsorption energies for AlCl₃ and FeCl₃ adsorptions and and for InCl₃ adsorption given in modulus values at 290, 300, 310, 320, and 330 K.

Adsorption system	Adsorption energy	290 K	300 K	310 K	320 K	330 K
System (a): AlCl3-H2TTPP	(kJ/mol)	61.4 (±2.1)	69.5 (±2.3)	70.6 (±3.1)	75.4 (±2.9)	80.3 (±3.9)
System (a): AlCl3-H2TPP	(kJ/mol)	48.4 (±2.1)	57.2 (±2.4)	60.2 (±1.8)	63.4 (±3.1)	67.4 (±2.9)
System (b): FeCl3-H2TTPP	(kJ/mol)	32.9 (±1.8)	36.4 (±1.7)	38.7 (±2.5)	40.8 (±2.2)	43.1 (±2.3)
System (b): FeCl3-H2TPP	(kJ/mol)	30.2 (±1.9)	33.6 (±1.8)	36.7 (±1.8)	38.4 (±2.1)	40.9 (±2.2)
System (c): InCl3-H2TTPP	(kJ/mol)	26.4 (±2.3)	30.4 (±1.6)	33.5 (±1.5)	36.8 (±1.9)	38.7 (±1.7)
	(kJ/mol)	17.2 (±1.2)	20.4 (±1.5)	23.3 (±1.4)	25.7 (±1.1)	28.8 (±1.6)
System (c): InCl3-H2TPP	(kJ/mol)	22.3 (±2.7)	26.1 (±2.4)	29.4 (±2.1)	33.1 (±1.9)	35.6 (±1.8)
	(kJ/mol)	12.7 (±1.5)	16.7 (±1.6)	18.9 (±2.0)	20.4 (±2.1)	21.1 (±1.8)