SiO2
Silicon oxide, Silicon dioxide
Flags: RATE12
Empirical: O2Si
Mass: 60 amu
Dipole moment: 0.500 D
Heat of formation: -281.2 kJ mol-1
Added to system: 2003-05-06 06:43:21
Reactions: Formation | Destruction
2 SiO2 formation reactions
| Reaction | α | β | γ | Tl - Tu (K) | |
|---|---|---|---|---|---|
| 1 | HSiO2+ + e- → SiO2 + H | 1.50e-7 | -0.50 | 0.00 | 10 - 300 |
| 2 | OH + SiO → SiO2 + H | 2.00e-12 | 0.00 | 0.00 | 10 - 2500 |
Variation of log fractional abundance (relative to H2) with log time (years) in a dark cloud model. Ref. RATE12 paper.