| Temperature (K) | Total energy (method 1) | ||
| %N | |||
| 45 | 50 | 55 | |
| 1320 | −8324.8537 | −7863.1167 | −7356.1984 |
| 1420 | −8354.4795 | −7872.7571 | −7344.9169 |
| 1520 | −8330.5641 | −7749.336 | −7442.5377 |