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)
BondAngleTorsionOut-of-planeCross termsVDW repulsiveVDW dispersiveElectrostatic

1 : 1190.71206.3−2061.62.4−172.95021.5−6716.5−1657.2
1 : 2224.21355−24802.3−242.55652.3−7529.1−1738.1
1 : 3256.91508.5−2885.72.4−299.96296.6−8396.9−1814.3
1 : 4291.81676.9−3296.13.8−381.76762.6−9011.5−1930.5
1 : 5325.51836.1−3701.84.5−442.27390.1−9831.6−2078.2
1 : 6361.81979.9−4120.54.8−517.67998.9−10645.8−2145.3
1 : 7398.52151.9−4543.95.5−578.48466.5−11238.7−2221.2
1 : 8492.52505.3−48505.9−662.78995.7−11699.1−4051.9
1 : 9519.02645.5−5292.87.4−738.99478.5−12327.3−4193.9
1 : 10502.72632.6−5769.77.1−791.710436.1−13824.1−2547.5