Table 7 Cation-cation average coordination numbers of the first coordination sphere in the SAN, SANK and SAK glasses simulated with the different interatomic potentials (PMMCS, Teter, SHIK, GS and CS). Standard deviations are reported in parenthesis.
<CN> | PMMCS | Teter | SHIK | GS | CS | |
|---|---|---|---|---|---|---|
SAN | Al-Na | 4.88 (0.05) | 4.87 (0.06) | 4.54 (0.04) | 4.52 (0.05) | 4.52 (0.11) |
Si-Na | 4.77 (0.02) | 4.60 (0.04) | 4.00 (0.03) | 4.45 (0.02) | 4.59 (0.02) | |
Na-Na | 4.56 (0.02) | 5.50 (0.05) | 4.82 (0.03) | 6.05 (0.03) | 5.10 (0.04) | |
SANK | Al-Na | 2.34 (0.06) | 2.17 (0.05) | 2.07 (0.11) | 2.34 (0.05) | 1.81 (0.06) |
Al-K | 2.51 (0.06) | 2.77 (0.04) | 3.00 (0.04) | 2.17 (0.07) | 2.65 (0.09) | |
Si-Na | 2.22 (0.03) | 2.16 (0.01) | 1.75 (0.02) | 2.22 (0.04) | 1.97 (0.03) | |
Si-K | 2.45 (0.03) | 2.59 (0.03) | 2.57 (0.01) | 2.37 (0.03) | 2.55 (0.02) | |
Na-Na | 2.06 (0.04) | 2.18 (0.08) | 2.55 (0.12) | 1.42 (0.07) | 2.17 (0.06) | |
Na-K | 2.30 (0.03) | 2.38 (0.06) | 2.40 (0.03) | 2.10 (0.07) | 2.35 (0.02) | |
K-K | 2.75 (0.07) | 2.49 (0.08) | 2.24 (0.09) | 4.02 (0.05) | 2.70 (0.04) | |
SAK | Al-K | 5.25 (0.02) | 5.31 (0.09) | 5.38 (0.05) | 3.41 (0.27) | 4.63 (0.05) |
Si-K | 4.79 (0.01) | 4.89 (0.05) | 4.76 (0.02) | 4.52 (0.11) | 4.76 (0.06) | |
K-K | 5.16 (0.03) | 4.48 (0.06) | 5.21 (0.03) | 5.84 (0.11) | 5.36 (0.04) |