Reexamination of Solvothermal Synthesis of Layered Carbon Nitride

Table 2

The observed IR vibrational modes in comparison with melem, melon, and melamine as references. The abbreviations in the assignment column are as follows, b.: bending; def.: deformation; str.: stretching.

This study	Melem	Melon	Melamine	Assignment
814	804	808	810	out-of-plane b. [34, 35]
		887		Unassigned
			1022	def. (ring) + def. (NH2) [35]
	1101			Unassigned
1163			1170	def. (ring)+ def. (NH2) [35]
			1194
1249		1246		str. (CN) associated with C-NH-C
1316	1308	1321		unit [10, 35]
1432		1418	1432	str. (CN) + b. (NH2) [34]
	1487	1456	1465
			1526	str. (CN) + b. (NH2) [34]
1568		1570	1567
1605	1616	1632	1626	b. (NH2) [34]
1647			1646
2181				C≡N [10, 12, 15, 17, 36]
	3126	3163	3123	str. (NH) [34, 35]
3249			3178
			3323
	3420		3417
3453			3468

. [14]; . [34]