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All results from a given calculation for CH3CF3 (Ethane, 1,1,1-trifluoro-)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-377.159678
Energy at 298.15K-377.153944
Nuclear repulsion energy204.083564
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3226 3226 2.00      
2 A1 1588 1588 106.68      
3 A1 1418 1418 192.70      
4 A1 906 906 4.36      
5 A1 648 648 32.29      
6 A2 254 254 0.00      
7 E 3316 3316 10.65      
7 E 3316 3316 10.65      
8 E 1618 1618 0.39      
8 E 1618 1618 0.39      
9 E 1402 1402 304.71      
9 E 1402 1402 304.71      
10 E 1087 1087 50.62      
10 E 1087 1087 50.62      
11 E 591 591 2.83      
11 E 591 591 2.83      
12 E 392 392 0.39      
12 E 392 392 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 12426.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12426.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CBS-Q
See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.467
C2 0.000 0.000 -0.035
H3 0.000 -1.023 1.827
H4 0.886 0.511 1.827
H5 -0.886 0.511 1.827
F6 0.000 1.229 -0.521
F7 -1.065 -0.615 -0.521
F8 1.065 -0.615 -0.521

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50171.08451.08451.08452.33782.33782.3378
C21.50172.12452.12452.12451.32221.32221.3222
H31.08452.12451.77181.77183.25412.61092.6109
H41.08452.12451.77181.77182.61093.25412.6109
H51.08452.12451.77181.77182.61092.61093.2541
F62.33781.32223.25412.61092.61092.12922.1292
F72.33781.32222.61093.25412.61092.12922.1292
F82.33781.32222.61092.61093.25412.12922.1292

picture of Ethane, 1,1,1-trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 111.601 C1 C2 F7 111.601
C1 C2 F8 111.601 C2 C1 H3 109.400
C2 C1 H4 109.400 C2 C1 H5 109.400
H3 C1 H4 109.543 H3 C1 H5 109.543
H4 C1 H5 109.543 F6 C2 F7 107.260
F6 C2 F8 107.260 F7 C2 F8 107.260
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability