. 2017 Jul 7;2(7):3214–3227. doi: 10.1021/acsomega.7b00356

Table 9. C–H, C–C, C–N, and N–H Vibrational Frequencies (in cm^–1) of the Gas Phase and Adsorbed C₆H₆, C₆H₅, C₆H₅NH₂, and C₆H₅NH.

	gas phase^a	adsorbed on a Ni(111) surface^a	gas phase (expt)^b	adsorbed on a Ni(111) surface (expt)^c
C₆H₆
C–H stretch (e₁^u)	3122	3086	3062	3025
	3121	3084	3068
	3106	3074	3063
	3105	3065	3047
C–C stretch (e₂^g)	1586	1439	1596	1425
	1586	1422	1596
C₆H₅
C–H stretch (a₁)	3108	3089	3086
	3105	3084	3072
	3093	3071	3037
	3088	3061	3060
C–C stretch (b₂)	1590	1426	1593
	1527	1421	1497
C₆H₅NH₂
N–H stretch (b₂)	3580	3486	3500
N–H stretch (a₁)	3479	3394	3418
C–H stretch (b₂)	3125	3096	3053
C–H stretch (a₁)	3108	3087	3041
C–C stretch (a₁)	1612	1553	1619
C–C stretch (b₂)	1599	1446	1590
C–N stretch (a₁)	1280	1137	1279
C–H bending (a₁)	1168	1114	1173
C₆H₅NH
N–H stretch	3313	3291
C–H stretch	3129	3129
	3122	3113
C–C stretch	1551	1578
	1522	1566
C–N stretch	1303	1237
	1155	1196

This work.

Reference (53) (for C₆H₆), ref (62) (for C₆H₅), and ref (63) (for C₆H₅NH₂).

Reference (64).

Table 9. C–H, C–C, C–N, and N–H Vibrational Frequencies (in cm–1) of the Gas Phase and Adsorbed C6H6, C6H5, C6H5NH2, and C6H5NH.