The Structures, Spectroscopic Properties, and Photodynamic Reactions of Three [RuCl(QN)NO]⁻ Complexes (HQN = 8-Hydroxyquinoline and Its Derivatives) as Potential NO-Donating Drugs

Table 3

Observed and calculated vibrational frequencies (cm⁻¹) and intensities over 2000–1400 cm⁻¹ region for [RuCl₃(hqn)NO]⁻, [RuCl₃(2mqn)NO]⁻, and [RuCl₃(2cqn)NO]⁻ complexes.

[RuCl3(hqn)NO]^−		[RuCl3(2mqn)NO]^−		[RuCl3(2cqn) NO]^−		Assignment
Exp.	Cal.	Exp.	Cal.	Exp.	Cal.
1839.40	1889.44	1844.01	1894.38	1856.55	1906.72	: vs
1576.49	1609.36					δhqn : m
1500.01	1530.48					δhqn : m
1470.07	1491.36					δhqn : m
		1567.78	1593.19			δ2mqn : m
		1540.36	1537.52			δ2mqn : m
		1507.06	1502.23			δ2mqn : m
		1468.27	1472.73			δ2mqn : m
				1558.68	1590.61	δ2cqn : m
				1493.57	1523.66	δ2cqn : m
				1450.55	1470.57	δ2cqn : m