Table 5. Average Bond Valence Sums and Standard Deviations (in Valence Units) around Classes of Atoms in Two Molecular Dynamics Simulations of a Calcium Iron Silicate Glassa.
simulation 1 |
simulation 2 |
|||
---|---|---|---|---|
atom | average | standard deviation | average | standard deviation |
Si | 4.66 | 0.20 | 4.26 | 0.24 |
O | 2.00 | 0.24 | 1.94 | 0.17 |
Ca | 0.87 | 0.14 | 1.43 | 0.20 |
Fe | 1.77 | 0.19 | 1.70 | 0.22 |
Simulation 1 shows the bond valence sums after the calculation with the original potential function. Simulation 2 shows the bond valence sums after the potential function was refined.(16)