Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
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Other names |
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Sulfur difluoride oxide; Sulfurous oxyfluoride; Thionyl difluoride; Sulfur difluoride monoxide; sulfurous difluoride; |
INChI | INChIKey | SMILES | IUPAC name |
---|---|---|---|
InChI=1S/F2OS/c1-4(2)3 | LSJNBGSOIVSBBR-UHFFFAOYSA-N | O=S(F)F | sulfurous difluoride |
State | Conformation |
---|---|
1A' | CS |
Property | Value | Uncertainty | units | Reference | Comment |
---|---|---|---|---|---|
Hfg(298.15K) | -543.92 | kJ mol-1 | webbook | ||
Hfg(0K) | kJ mol-1 | webbook | |||
Entropy (298.15K) | 279.13 | J K-1 mol-1 | webbook | ||
Heat Capacity (298.15K) | 57.08 | 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 | A' | 1335 | 1972Luc/Smi:327 | ||||||
2 | A' | 808 | 1972Luc/Smi:327 | ||||||
3 | A' | 530 | 1972Luc/Smi:327 | ||||||
4 | A' | 378 | 1972Luc/Smi:327 | ||||||
5 | A" | 747 | 1972Luc/Smi:327 | ||||||
6 | A" | 393 | 1972Luc/Smi:327 |
A | B | C | reference | comment |
---|---|---|---|---|
0.28736 | 0.27876 | 0.16521 | 1972Luc/Smi:327 |
Product of moments of inertia | ||||
---|---|---|---|---|
361988.7 | amu3Å6 | 1.65753620747212E-114 | gm3 cm6 |
Point Group Cs
Description | Value | unc. | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
rOS | 1.413 | 0.000 | 1 | 2 | 1972Luc/Smi:327 | r0 | ||
rFS | 1.585 | 0.000 | 1 | 3 | 1972Luc/Smi:327 | r0 | ||
aFSF | 92.83 | 0.02 | 3 | 1 | 4 | 1972Luc/Smi:327 | r0 | |
aOSF | 106.82 | 0.03 | 2 | 1 | 3 | 1972Luc/Smi:327 | r0 |
Atom | x (Å) | y (Å) | z (Å) |
---|---|---|---|
S1 | 0.2465 | 0.3814 | 0.0000 |
O2 | -1.0476 | 0.9488 | 0.0000 |
F3 | 0.2465 | -0.7607 | 1.0990 |
F4 | 0.2465 | -0.7607 | -1.0990 |
S1 | O2 | F3 | F4 | |
---|---|---|---|---|
S1 | 1.4130 | 1.5850 | 1.5850 | |
O2 | 1.4130 | 2.4093 | 2.4093 | |
F3 | 1.5850 | 2.4093 | 2.1980 | |
F4 | 1.5850 | 2.4093 | 2.1980 |
Experimental Bond Angles (degrees) from cartesians
atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
---|---|---|---|---|---|---|---|---|
O2 | S1 | F3 | 106.820 | O2 | S1 | F4 | 106.820 | |
F3 | S1 | F4 | 87.794 |
Bond descriptions
Bond Type | Count |
---|---|
O=S | 1 |
F-S | 2 |
Atom 1 | Atom 2 |
---|---|
S1 | O2 |
S1 | F3 |
S1 | F4 |
Energy (cm-1) | Degeneracy | reference | description |
---|---|---|---|
0 | 1 | 1A' |
Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
---|---|---|---|---|
12.250 | 0.050 | webbook |
State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
x | y | z | total | dipole | quadrupole | ||||||||
1 | 1 | 1A' | Cs | True | Cs | 2 | 3 |
State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
xx | yy | zz | dipole | quadrupole | ||||||||
1 | 1 | 1A' | Cs | True | Cs | 2 | 3 |
alpha | unc. | Reference |
---|---|---|
3.927 | 0.119 | 2015Tha/Wu:144302 |
squib | reference | DOI |
---|---|---|
1972Luc/Smi:327 | NJD Lucas, JG Smith "The microwave spectrum and harmonic force field of thionyl fluoride" J. Mol. Spect. 43, 327-341 (1972) | 10.1016/0022-2852(72)90044-6 |
2015Tha/Wu:144302 | AJ Thakkar, T Wu "How well do static electronic dipole polarizabilities from gas-phase experiments compare with density functional and MP2 computations?" J. Chem. Phys. 143, 144302 (2015) | 10.1063/1.4932594 |
webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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