Methane Adsorption in Anthracite Coal under Different Pressures and Temperatures—A Study Combining Isothermal Adsorption and Molecular Simulation

Table 5

Regional content of aliphatic carbon (the assignments of the FT-IR is according to [37]).

Chemical shift (cm^-1)	Relative area (%)	Peak position attribution
2836	5.37	CH2 telescopic vibration
2853	11.92	CH3 telescopic vibration
2870	23.69
2899	26.00	CH telescopic vibration
2924	14.99	CH2 asymmetric telescopic vibration
2942	6.86
2963	11.18	CH3 asymmetric telescopic vibration