Table 5.
Ice properties from HIPPO model compared with experimental density (kg/m3) and lattice energy (kcal/mol).
Density | Lattice Energy | |||||||
---|---|---|---|---|---|---|---|---|
HIPPO | Expta | Diff | % Error | HIPPO | Refb | Diff | % Error | |
Ice XI | 949.9 | 934 | 15.9 | 1.7 | −13.804 | −14.10 | 0.3 | −2.1 |
Ice Ih | 910.8 | 920 | −9.2 | −1.0 | −13.699 | −14.07 | 0.4 | −2.8 |
Ice IX | 1164.8 | 1194 | −29.2 | −2.4 | −13.769 | −13.97 | 0.2 | −1.4 |
Ice XIV | 1316.7 | 1294 | 22.7 | 1.8 | −13.360 | −13.74 | 0.4 | −2.9 |
Ice XV | 1355.6 | 1364 | −8.4 | −0.6 | −13.365 | −13.48 | 0.1 | −0.8 |
Ice Ic | 951.8 | 931 | 20.8 | 2.2 | ||||
Ice Ica | 947.2 | 931 | 17.2 | 1.8 | ||||
Ice XIII | 1279.1 | 1251 | 28.1 | 2.2 | ||||
MAD: | 18.9 | MAD: | 0.3 |