Table 1 Parameters change of energy minimization of Na-MMT.

From: Influence of inorganic and organic salts on the hydration mechanism of montmorillonite based on molecular simulation

Number of water molecules

status

Valence (kcal/mol)

Valence (kcal/mol)

Non-bond (kcal/mol)

Non-bond (kcal/mol)

Total (kcal/mol)

Bonds

Angles

Torsions

vdWs

LR corr

Coulombs

32

Before

10,360.1

22,746.7

17.6

33,124.3

− 433.7

− 29.0

− 119,055.1

− 119,517.8

− 86,393.5

After

1063.9

17,991.1

22.9

19,078.0

607.4

− 33.1

− 133,572.1

− 132,997.7

− 113,919.8

NPT

4478.4

17,502.7

17.4

21,998.5

3303.7

 

− 145,865.4

− 142,561.7

− 120,563.2

64

Before

10,362.9

22,756.6

17.6

33,137.0

339.9

− 34.0

− 119,379.0

− 119,073.1

− 85,936.0

After

1068.0

17,995.8

22.9

19,086.8

573.9

− 33.2

− 133,891.5

− 133,350.8

− 114,264.0

NPT

4248.3

17,286.7

17.9

21,552.9

3171.2

 

− 145,275.6

− 142,104.4

− 120,551.5

96

Before

10,362.3

22,755.0

17.6

33,134.9

568.0

− 31.8

− 119,594.8

− 119,058.6

− 85,923.7

After

1074.8

18,031.8

22.8

19,129.4

563.1

− 30.6

− 134,181.7

− 133,649.1

− 114,519.7

NPT

4248.4

17,320.9

17.0

21,586.2

3082.7

 

− 145,769.0

− 142,686.3

− 121,100.1