SiH2

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Species data
Common Formula SiH2
Stoichiometric Formula SiH2
Name Silylene
Mass   29.99258 a.m.u
Charge   0
CAS   13825-90-6
Inchi InChI=1S/H2Si/h1H2
InchiKey XMIJDTGORVPYLW-UHFFFAOYSA-N
State Ground State
Electronic state

Search all reactions with SiH2

KIDA SiH2

ISM Abundance  
log10 Abundance Reference Source Name Source Type Link
Polarizability  
Definition: total
Value 3): 4.096
Method: Calculations
Origin: Database : NIST COMPUTATIONAL CHEMISTRY COMPARISON AND BENCHMARK DATABASE
Reference:
Dipole moment  
Value (D): 0.136
Method: Calculations
Origin: Bibliography
Reference: Woon, D. E. et al. ;2009;Astrophysical Journal Supplement Series ;185,273-288
Enthalpy of formation  
T (K): 298
Value (kJ.mol-1) : 273.33 ±5
Method: Measurements
Origin: Other database
Reference:
T (K): 0
Value (kJ.mol-1) : 275 ±5
Method: Measurements
Origin: Other database
Reference:
Desorption energy  
Emean (K): 3600
E min (K): 0
E max (K): 0
Pre-exponential factor (s-1): 0.00E+0
Method: Estimation
Origin: Other database
Reference:
Type of surface: H2O
Description: This binding energy was listed in the original OSU gas-grain code from Eric Herbst group in 2006. Energy of SiH + H. The pre-exponential factor is not given. It can be computed using the formula given in Hasegawa et al. (1992).
Evaluation:  
Diffusion energy  
No data