Terahertz Absorption Properties of Two Solid Amino Acids and Their Aqueous Solutions

Table 2

Theoretical and experimental values of the partial absorption peaks of glycine and arginine.

Sample	Theoretical absorption peak (THz)	Experimental absorption peak (THz)	Error (THz)
Solid glycine	2.32	2.38	0.06
Glycine solution	1.72	1.79	0.07
Solid arginine	1.07	0.97	0.10
	—	1.46	—
	1.71	1.67	0.04
	—	2.07	—