Research Article
Molecular Structure Characteristics and Wetting Behaviors of Alkyl Binary Doped Ionic Liquids’ Thin Lubricating Films on Silicon Surfaces: Molecular Dynamics Simulations
Table 2
Energy compositions of the molecular system at different ratios.
| Ratios ([CMIM]Cl : [DMIM]PF6) | Internal energy (kJ/mol) | Nonbond energy (kJ/mol) | Bond | Angle | Torsion | Out-of-plane | Cross terms | VDW repulsive | VDW dispersive | Electrostatic |
| 1 : 1 | 190.7 | 1206.3 | −2061.6 | 2.4 | −172.9 | 5021.5 | −6716.5 | −1657.2 | 1 : 2 | 224.2 | 1355 | −2480 | 2.3 | −242.5 | 5652.3 | −7529.1 | −1738.1 | 1 : 3 | 256.9 | 1508.5 | −2885.7 | 2.4 | −299.9 | 6296.6 | −8396.9 | −1814.3 | 1 : 4 | 291.8 | 1676.9 | −3296.1 | 3.8 | −381.7 | 6762.6 | −9011.5 | −1930.5 | 1 : 5 | 325.5 | 1836.1 | −3701.8 | 4.5 | −442.2 | 7390.1 | −9831.6 | −2078.2 | 1 : 6 | 361.8 | 1979.9 | −4120.5 | 4.8 | −517.6 | 7998.9 | −10645.8 | −2145.3 | 1 : 7 | 398.5 | 2151.9 | −4543.9 | 5.5 | −578.4 | 8466.5 | −11238.7 | −2221.2 | 1 : 8 | 492.5 | 2505.3 | −4850 | 5.9 | −662.7 | 8995.7 | −11699.1 | −4051.9 | 1 : 9 | 519.0 | 2645.5 | −5292.8 | 7.4 | −738.9 | 9478.5 | −12327.3 | −4193.9 | 1 : 10 | 502.7 | 2632.6 | −5769.7 | 7.1 | −791.7 | 10436.1 | −13824.1 | −2547.5 |
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