Table 1 Table summarizing the fraction, coordination number (CN), number of bond-stretching (BS), and number of bond-bending (BB) constraints created by each atomic species in (Na2O)x(Al2O3)y(SiO2)1–x–y glasses
From: Predicting the dissolution kinetics of silicate glasses by topology-informed machine learning
Atom | Fraction | CN | BS | BB | BS + BB |
|---|---|---|---|---|---|
Si | 1 − x − y | 4 | 4 | 5 | 9 |
Al | 2 y | 4 | 4 | 0 | 4 |
Na | 2x | — | — | — | — |
O | 2 − x + y | — | — | - | — |
NBO | 2x − 2 y | 1 | — | 0 | 0 |
BO | 2 − 3x + 3 y | 2 | — | 1 | 1 |
