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Experimental data for CF3OH (trifluoromethanol)

22 02 02 11 45
Other names
Trifluoromethyl alcohol; Perfluoromethanol;
INChI INChIKey SMILES IUPAC name
InChI=1S/CHF3O/c2-1(3,4)5/h5H WZCZNEGTXVXAAS-UHFFFAOYSA-N OC(F)(F)F
State Conformation
1A' CS
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 -908.80 3.80 kJ mol-1 1997Ash/App:9111
Hfg(0K) enthalpy of formation -900.80 3.80 kJ mol-1 1997Ash/App:9111
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' 3675   2003Fer/Var:175-183      
2 A' 1401          
3 A' 1283          
4 A' 1117          
5 A' 905          
6 A' 635          
8 A' 440          
9 A" 1187          

Calculated vibrational frequencies for CF3OH (trifluoromethanol).
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 CF3OH (trifluoromethanol).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of trifluoromethanol

Point Group Cs


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 CF3OH (trifluoromethanol).

Bond descriptions


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

Connectivity
Atom 1 Atom 2
C1 O2
C1 F3
C1 F4
C1 F5
O2 H6
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' Cs True           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 CF3OH (trifluoromethanol).
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' Cs True       Cs 2 3

Calculated electric quadrupole moments for CF3OH (trifluoromethanol).

References
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squib reference DOI
1997Ash/App:9111 RL Asher, EH Appelman, JL Tilson, M Lotorja, J Berkowitz, B Ruscic "A photoionization study of trifluoromethanol, CF3OH, trifluoromethylhypofluorite, CF3OF, and trifluoromethyl hypochlorite, CF3OCl" J. Chem. Phys. 106(22), 9111, 1997 10.1063/1.474017
2003Fer/Var:175-183 LE Fernandez, EL Varetti "A theoretical study of the vibrational properties of trifluoromethanol and the trifluoromethyl hypohalites, CF3OX (X = H, F, Cl, Br)" J. Mol. Struct. (Theochem) 629 (2003) 175–183 10.1016/S0166-1280(03)00125-8

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