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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
| You are here: Experimental > One molecule all properties | |
| Other names |
|---|
| Fluorosilane; Silane, fluoro-; |
| INChI | INChIKey | SMILES | IUPAC name |
|---|---|---|---|
| InChI=1S/FH3Si/c1-2/h2H3 | XPBBUZJBQWWFFJ-UHFFFAOYSA-N | [SiH3]F | Fluorosilane |
| State | Conformation |
|---|---|
| 1A1 | C3V |
| Property | Value | Uncertainty | units | Reference | Comment |
|---|---|---|---|---|---|
Hfg(298.15K) ![]() |
-376.56 | 20.90 | kJ mol-1 | JANAF | |
Hfg(0K) ![]() |
-367.16 | 20.90 | kJ mol-1 | JANAF | |
Entropy (298.15K) ![]() |
238.40 | 0.80 | J K-1 mol-1 | JANAF | |
Integrated Heat Capacity (0 to 298.15K) ![]() |
10.93 | kJ mol-1 | JANAF | ||
Heat Capacity (298.15K) ![]() |
47.17 | J K-1 mol-1 | webbook |
| Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
|---|---|---|---|---|---|---|---|---|---|
| Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
| 1 | A1 | 2206 | Shim | ||||||
| 2 | A1 | 990 | Shim | ||||||
| 3 | A1 | 872 | Shim | ||||||
| 4 | E | 2196 | Shim | ||||||
| 5 | E | 956 | Shim | ||||||
| 6 | E | 728 | Shim | ||||||
| A | B | C | reference | comment |
|---|---|---|---|---|
| 2.84070 | 0.47858 | 0.47858 | 1983Esc/But:450-475 |
Product of moments of inertia ![]() | ||||
|---|---|---|---|---|
| 7362.905 | amu3Å6 | 3.37145370857227E-116 | gm3 cm6 | |
Point Group C3v
| Description | Value | unc. | Connectivity | Reference | Comment | |||
|---|---|---|---|---|---|---|---|---|
| Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
| rSiH | 1.476 | 1 | 3 | 1998Kuc | r0 value | |||
| rSiF | 1.595 | 1 | 2 | 1998Kuc | r0 value | |||
| aHSiF | 108.269 | 2 | 1 | 3 | 1998Kuc | a0 value | ||
| aHSiH | 110.64 | 3 | 1 | 4 | 1998Kuc | from symmetry | ||
| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| Si1 | 0.0000 | 0.0000 | 0.4986 |
| F2 | 0.0000 | 0.0000 | -1.0959 |
| H3 | 0.0000 | 1.4017 | 0.9613 |
| H4 | -1.2139 | -0.7008 | 0.9613 |
| H5 | 1.2139 | -0.7008 | 0.9613 |
| Si1 | F2 | H3 | H4 | H5 | |
|---|---|---|---|---|---|
| Si1 | 1.5945 | 1.4761 | 1.4761 | 1.4761 | |
| F2 | 1.5945 | 2.4893 | 2.4893 | 2.4893 | |
| H3 | 1.4761 | 2.4893 | 2.4278 | 2.4278 | |
| H4 | 1.4761 | 2.4893 | 2.4278 | 2.4278 | |
| H5 | 1.4761 | 2.4893 | 2.4278 | 2.4278 |
Experimental Bond Angles (degrees) from cartesians
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| F2 | Si1 | H3 | 108.269 | F2 | Si1 | H4 | 108.269 | |
| F2 | Si1 | H5 | 108.269 | H3 | Si1 | H4 | 110.646 | |
| H3 | Si1 | H5 | 110.646 | H4 | Si1 | H5 | 110.646 |
Bond descriptions
| Bond Type | Count |
|---|---|
| H-Si | 3 |
| F-Si | 1 |
| Atom 1 | Atom 2 |
|---|---|
| Si1 | F2 |
| Si1 | H3 |
| Si1 | H4 |
| Si1 | H5 |
| Energy (cm-1) | Degeneracy | reference | description |
|---|---|---|---|
| 0 | 1 | 1A1 |
| Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
|---|---|---|---|---|
| 13.000 | 1.000 | 12.600 | 0.100 | webbook |
| State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x | y | z | total | dipole | quadrupole | ||||||||
| 1 | 1 | 1A1 | C3v | True | 1.297 | 1983Esc/But:450-475 | ± 0.0006 D Laser Stark μ0 | C3v | 1 | 1 | |||
| Vibrational Quantum numbers | Dip x | Dip y | Dip z | Dip total | Squib | Comment |
|---|---|---|---|---|---|---|
| 0 | 1.297 | 1983Esc/But:450-475 | ± 0.00057 | |||
| ν2 = 1 | 1.306 | 1983Esc/But:450-475 | ± 0.00061 | |||
| ν5 = 1 | 1.302 | 1983Esc/But:450-475 | ± 0.00064 |
| State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| xx | yy | zz | dipole | quadrupole | ||||||||
| 1 | 1 | 1A1 | C3v | True | C3v | 1 | 1 | |||||
| squib | reference | DOI |
|---|---|---|
| 1983Esc/But:450-475 | R Escribano, RJ Butcher "Laser Stark Spectroscopy of Silyl Fluoride in the 10 μm Region: Analysis of the ν2 and ν5 Bands" J. Mol. Spect. 99, 450-475, (1983) | DOI:10.1016/0022-2852(83)90325-9 |
| 1998Kuc | K Kuchitsu(ed) "Structure of Free Polyatomic Molecules - Basic Data" Springer, Berlin, 1998 | 10.1007/978-3-642-45748-7 |
| JANAF | Chase, M.W., Jr.; Davies, C.A.; Downey, J.R., Jr.; Frurip, D.J.; McDonald, R.A.; Syverud, A.N., JANAF Thermochemical Tables (Third Edition), J. Phys. Chem. Ref. Data,Suppl. 1, 1985, 14, 1. | |
| Shim | Shimanouchi, T. , Tables of Molecular Vibrational Frequencies, Consolidated Volu | 10.6028/NBS.NSRDS.39 |
| webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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