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

using model chemistry: CCSD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-376.627912
Energy at 298.15K-376.632569
HF Energy-375.817417
Nuclear repulsion energy 
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 CCSD(T)/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3094 2977        
2 A1 1482 1426        
3 A1 1336 1285        
4 A1 843 811        
5 A1 601 579        
6 A2 252 242        
7 E 3188 3067        
7 E 3187 3067        
8 E 1528 1470        
8 E 1527 1470        
9 E 1310 1261        
9 E 1310 1261        
10 E 1012 974        
10 E 1012 974        
11 E 535 515        
11 E 535 515        
12 E 363 350        
12 E 363 350        

Unscaled Zero Point Vibrational Energy (zpe) 11739.7 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 11294.8 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 CCSD(T)/6-31G*
ABC
0.18028 0.17158 0.17158

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.476
C2 0.000 0.000 -0.027
H3 0.000 -1.034 1.835
H4 0.895 0.517 1.835
H5 -0.895 0.517 1.835
F6 0.000 1.259 -0.526
F7 -1.090 -0.629 -0.526
F8 1.090 -0.629 -0.526

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50241.09431.09431.09432.36442.36442.3644
C21.50242.12952.12952.12951.35391.35401.3540
H31.09432.12951.79021.79023.29072.63172.6317
H41.09432.12951.79021.79022.63173.29072.6317
H51.09432.12951.79021.79022.63172.63173.2907
F62.36441.35393.29072.63172.63172.17992.1799
F72.36441.35402.63173.29072.63172.17992.1799
F82.36441.35402.63172.63173.29072.17992.1799

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 111.638 C1 C2 F7 111.638
C1 C2 F8 111.638 C2 C1 H3 109.174
C2 C1 H4 109.174 C2 C1 H5 109.174
H3 C1 H4 109.767 H3 C1 H5 109.767
H4 C1 H5 109.767 F6 C2 F7 107.220
F6 C2 F8 107.220 F7 C2 F8 107.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability