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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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Propane, 2,2-difluoro-; HFC 272ca; R 272ca; Dimethyldifluoromethane; |
INChI | INChIKey | SMILES | IUPAC name |
---|---|---|---|
InChI=1S/C3H6F2/c1-3(2,4)5/h1-2H3 | CC(F)(F)C |
State | Conformation |
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1A1 | C2V |
Property | Value | Uncertainty | units | Reference | Comment |
---|---|---|---|---|---|
Hfg(298.15K) ![]() |
-543.00 | 13.00 | kJ mol-1 | webbook | |
Hfg(0K) ![]() |
13.00 | kJ mol-1 | webbook |
Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
---|---|---|---|---|---|---|---|---|---|
Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
1 | A1 | 3017 | 1981Dur/Gui:5946-5953 | CH3 a-str | |||||
2 | A1 | 2963 | CH3 s-stretch | ||||||
3 | A1 | 1443 | CH3 a-deform | ||||||
4 | A1 | 1396 | CH3 s-deform | ||||||
5 | A1 | 1245 | CF2 s-str | ||||||
6 | A1 | 908 | CH3 rock | ||||||
7 | A1 | 779 | CC s-stretch | ||||||
8 | A1 | 524 | CF2 sciss | ||||||
9 | A1 | 333 | CCC bend | ||||||
10 | A2 | 3015 | CH3 a-str | ||||||
11 | A2 | 1452 | CH3 a-deform | ||||||
12 | A2 | 994 | CH3 rock | ||||||
13 | A2 | 354 | CF2 twist | ||||||
14 | A2 | 255 | CH3 torsion | ||||||
15 | B1 | 3017 | B1 & B2 switched | CH3 a-str | |||||
16 | B1 | 1471 | B1 & B2 switch | CH3 a-deform | |||||
17 | B1 | 1197 | B1 & B2 switch | CF2 a-str | |||||
18 | B1 | 925 | B1 & B2 switch | CH3 rock | |||||
19 | B1 | 517 | B1 & B2 switch | CF2 rock | |||||
20 | B1 | 285 | B1 & B2 switch | CH3 torsion | |||||
21 | B2 | 3017 | B1 & B2 switch | CH3 a-str | |||||
22 | B2 | 2955 | B1 & B2 switch | CH3 s-stretch | |||||
23 | B2 | 1464 | B1 & B2 switch | CH3 a-deform | |||||
24 | B2 | 1390 | B1 & B2 switch | CH3 s-deform | |||||
25 | B2 | 1266 | B1 & B2 switch | CC a-stretch | |||||
26 | B2 | 987 | B1 & B2 switch | CH3 rock | |||||
27 | B2 | 435 | B1 & B2 switch | CF2 wag |
A | B | C | reference | comment |
---|---|---|---|---|
0.17178 | 0.16145 | 0.16030 | 1981Dur/Gui:5946-5953 | B0 |
Product of moments of inertia ![]() | ||||
---|---|---|---|---|
1077623 | amu3Å6 | 4.9344061159275E-114 | gm3 cm6 |
Point Group C2v
Description | Value | unc. | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 |
Atom | x (Å) | y (Å) | z (Å) |
---|
Bond descriptions
Bond Type | Count |
---|---|
C-C | 2 |
C-F | 2 |
H-C | 6 |
Atom 1 | Atom 2 |
---|---|
C1 | C2 |
C1 | C3 |
C1 | F4 |
C1 | F5 |
C2 | H6 |
C2 | H8 |
C2 | H9 |
C3 | H7 |
C3 | H10 |
C3 | H11 |
Energy (cm-1) | Degeneracy | reference | description |
---|
Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
---|---|---|---|---|
11.420 | 0.020 | 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 | C2v | True | 2.400 | 2.400 | 1981Dur/Gui:5946-5953 | MW μ0 ±0.02 D | C2v | 1 | 2 |
State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
xx | yy | zz | dipole | quadrupole | ||||||||
1 | 1 | 1A1 | C2v | True | C2v | 1 | 2 |
squib | reference | DOI |
---|---|---|
1981Dur/Gui:5946-5953 | JR Durig, GA Guirgis, YS Li "Microwave, Raman, and far infrared spectra, barrier to internal rotation, and dipole moment of 2,2-difluoropropane" J. Chem. Phys. 74, 5946 (1981) | 10.1063/1.441032 |
webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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