Kinetic and Mechanistic Studies on the Interaction of Glycyl-L-alanine, Glycyl-L-asparagine, and Glycyl-L-tyrosine with Hydroxopentaaquarhodium(III) Ion

Table 3

The 𝑘₁,𝑘₂,𝐾_𝐸, and 𝐾^′_𝐸 values for different dipeptide concentration at different temperatures; [Complex A] = 2.5 × 10⁻⁴ mol dm⁻³, pH = 4.3, ionic strength = 0.1 mol dm⁻³ NaClO₄.

Ligand	Temperature (°C)	10^3𝑘1 (s^−1)	𝐾𝐸 (dm^3 mol^−1)	10^5𝑘2 (s^−1)	𝐾^′𝐸 (dm^3 mol^−1)
L^1-L′H	50	5.25	295	4.92	330
	55	6.15	309	7.94	433
	60	7.26	315	13.38	498
	65	8.51	319	23.93	580
L^2-L′H	50	1.88	154	4.29	348
	55	2.37	173	7.51	479
	60	3.06	189	12.01	511
	65	3.66	209	21.60	683
L^3-L′H	50	3.55	304	4.60	359
	55	4.50	331	7.82	428
	60	5.08	413	12.85	475
	65	6.21	429	22.31	616