Table 2. TGA-derived Ea, ΔHsub and 1 Torr temperature values from trials varying mass, with fixed 10 °C min−1 heating ratea.
| Molecule | E a (J mol−1) | ΔHsub (kJ mol−1) | T at 1 Torr (°C) | Res. mass (%) |
|---|---|---|---|---|
| W(CO)6 | 57.8 ± 1.9 | 59.4 ± 1.9 | 51.0 ± 5.3 | 0.0 ± 0.0 |
| (1,5-cod)W(CO)4 | 148.5 ± 17.7 | 150.7 ± 17.3 | 150.5 ± 1.4 | 19.5 ± 0.4 |
| WH2Cp2 | 83.3 ± 7.8 | 85.3 ± 7.8 | 136.4 ± 8.5 | 0.6 ± 0.0 |
| WH2(iPrCp)2 | 47.7 ± 8.0 | 49.6 ± 8.0 | 109.8 ± 6.4 | 0.3 ± 0.3 |
| BTBMW | 47.4 ± 4.7 | 49.0 ± 4.8 | 61.6 ± 1.8 | 1.5 ± 0.5 |
| WCl6 | 79.5 ± 14.0 | 81.3 ± 14.0 | 142.1 ± 8.3 | 1.2 ± 2.5 |
| [WCl5]2 | 66.5 ± 14.2 | 68.3 ± 14.2 | 117.9 ± 14.9 | 1.0 ± 0.3 |
a
Note (mes)W(CO)3 led predominantly to decomposition products with 48.9 ± 0.8% residual mass precluding extraction of sublimation kinetics.