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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 |
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Bifluoriden; Fluor; Fluorine; Fluorine, compressed; Fluoro; Fluorures acide; Fluoruri acidi; Saeure fluoride; difluorine; |
INChI | INChIKey | SMILES | IUPAC name |
---|---|---|---|
InChI=1S/F2/c1-2 | PXGOKWXKJXAPGV-UHFFFAOYSA-N | FF | difluorine |
State | Conformation |
---|---|
1Σg | D*H |
Property | Value | Uncertainty | units | Reference | Comment |
---|---|---|---|---|---|
Hfg(298.15K) ![]() |
0.00 | 0.00 | kJ mol-1 | CODATA | |
Hfg(0K) ![]() |
0.00 | 0.00 | kJ mol-1 | CODATA | |
Entropy (298.15K) ![]() |
202.79 | 0.00 | J K-1 mol-1 | CODATA | |
Integrated Heat Capacity (0 to 298.15K) ![]() |
8.82 | 0.00 | kJ mol-1 | CODATA | |
Heat Capacity (298.15K) ![]() |
31.30 | J K-1 mol-1 | Gurvich |
Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
---|---|---|---|---|---|---|---|---|---|
Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
1 | Σg | 894 | 917 | 2007Iri:389 |
ωe | ωexe | ωeye | Be | αe | ZPE | reference |
---|---|---|---|---|---|---|
916.929 | 11.3221 | -0.10572 | 0.889294 | 0.0125952 | 455.4118 | 2007Iri:389 |
A | B | C | reference | comment |
---|---|---|---|---|
0.88929 | 2007Iri:389 |
Product of moments of inertia ![]() | ||||
---|---|---|---|---|
18.9562 | amu Å2 | 3.1478E-39 | gm cm2 |
Point Group D∞h
Description | Value | unc. | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 | |||||
rFF | 1.412 | 1 | 2 | 1979HUB/HER | re |
Atom | x (Å) | y (Å) | z (Å) |
---|---|---|---|
F1 | 0.0000 | 0.0000 | 0.0000 |
F2 | 0.0000 | 0.0000 | 1.4119 |
F1 | F2 | |
---|---|---|
F1 | 1.4119 | |
F2 | 1.4119 |
Bond descriptions
Bond Type | Count |
---|---|
F-F | 1 |
Atom 1 | Atom 2 |
---|---|
F1 | F2 |
Energy (cm-1) | Degeneracy | reference | description |
---|---|---|---|
0 | 1 | 1979HUB/HER | 1Σg |
Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
---|---|---|---|---|
15.697 | 0.003 | 15.700 | webbook |
Electron Affinity | unc. | reference |
---|---|---|
3.005 | 0.071 | webbook |
Proton Affinity | unc. | Product | reference | comment |
---|---|---|---|---|
332.0 | H2F+ | webbook |
State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
x | y | z | total | dipole | quadrupole | ||||||||
1 | 1 | 1Σg | D∞h | True | 0.000 | NSRDS-NBS10 | D∞h | 0 | 1 |
State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
xx | yy | zz | dipole | quadrupole | ||||||||
1 | 1 | 1Σg | D∞h | True | D∞h | 0 | 1 |
alpha | unc. | Reference |
---|---|---|
1.160 | 1998Gus/Rui:163 |
squib | reference | DOI |
---|---|---|
1979HUB/HER | Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules, Van Nostrand Reinhold Co., 1979 | 10.1007/978-1-4757-0961-2 |
1998Gus/Rui:163 | M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215 | 10.1016/S0022-2860(97)00292-5 |
2007Iri:389 | KK Irikura "Experimental Vibrational Zero-Point Energies: Diatomic Molecules" J. Phys. Chem. Ref. Data 36(2), 389, 2007 | 10.1063/1.2436891 |
CODATA | Cox, J.D.; Wagman, D.D.; Medvedev, V.A.CODATA Key Values for Thermodynamics. Hemisphere, New York, 1989 | 10.1002/bbpc.19900940121 |
Gurvich | Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989 | |
NSRDS-NBS10 | R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 | 10.6028/NBS.NSRDS.10 |
webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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