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Experimental data for CHF2CH2F (Ethane, 1,1,2-trifluoro)

22 02 02 11 45
Other names
1,1,2-Trifluoroethane;
INChI INChIKey SMILES IUPAC name
InChI=1S/C2H3F3/c3-1-2(4)5/h2H,1H2 WGZYQOSEVSXDNI-UHFFFAOYSA-N FCC(F)F
State Conformation
1A C1
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -691.00 10.00 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   10.00 kJ mol-1 webbook
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 A 3005   2000McK:8995-9008      
2 A 2986          
3 A 2978          
4 A 1465          
5 A 1433          
6 A 1373          
7 A 1319          
8 A 1250          
9 A 1155          
10 A 1125          
11 A 1100          
12 A 1076          
13 A 905          
14 A 577          
15 A 476          
16 A 426          
17 A 247          
18 A 117          

vibrational zero-point energy: 11506.5 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for CHF2CH2F (Ethane, 1,1,2-trifluoro).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment

Calculated rotational constants for CHF2CH2F (Ethane, 1,1,2-trifluoro).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Ethane, 1,1,2-trifluoro

Point Group C1


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CHF2CH2F (Ethane, 1,1,2-trifluoro).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-C 1
H-C 3
C-F 3

Connectivity
Atom 1 Atom 2
C1 C2
C1 F3
C1 H6
C1 H7
C2 F4
C2 F5
C2 H8
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A C1 True       1.580 NSRDS-NBS10 F3-C1-C2-H8 = 60 degrees MW C1 3 5
1 2 1A' Cs       2.840 1991Mey/Mor:3860 all HCCF = 180 degrees DT Cs 2 3
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CHF2CH2F (Ethane, 1,1,2-trifluoro).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A C1 True       C1 3 5
1 2 1A' Cs       Cs 2 3

Calculated electric quadrupole moments for CHF2CH2F (Ethane, 1,1,2-trifluoro).

References
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squib reference DOI
1991Mey/Mor:3860 CW Meyer, G Morrison "Dipole Moments of Seven Partially Halogenated Ethane Refrigerants" J. Phys. Chem. 1991, 95, 3860-3866 10.1021/j100162a077
2000McK:8995-9008 DC McKean "Quantum-Chemical Studies of Fluoroethanes: Vibrational Assignments, Isolated CH Stretching frequncies, Valence Force Constants, and Bond Length Relationships" J. Phys. Chem. A 2000, 104, 8995-9008 10.1021/jp001605k
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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