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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-376.799672
Energy at 298.15K-376.804391
HF Energy-375.917592
Nuclear repulsion energy201.563735
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 MP2/6-311G*
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 3119 2964 0.50      
2 A1 1480 1406 118.60      
3 A1 1329 1263 151.77      
4 A1 849 807 6.46      
5 A1 614 583 24.30      
6 A2 253 240 0.00      
7 E 3224 3064 3.51      
7 E 3224 3064 3.51      
8 E 1524 1449 0.55      
8 E 1524 1449 0.55      
9 E 1285 1221 254.02      
9 E 1285 1221 254.02      
10 E 1003 954 57.94      
10 E 1003 954 57.94      
11 E 549 522 1.22      
11 E 549 522 1.22      
12 E 372 354 0.53      
12 E 372 354 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 11779.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 11194.1 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 MP2/6-311G*
ABC
0.18246 0.17320 0.17320

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.499
C2 0.000 0.000 0.012
H3 0.000 -0.973 1.836
H4 0.843 0.487 1.836
H5 -0.843 0.487 1.836
F6 0.000 1.570 -0.540
F7 -1.360 -0.785 -0.540
F8 1.360 -0.785 -0.540

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.48691.02971.02971.02972.57362.57362.5736
C21.48692.06682.06682.06681.66451.66451.6645
H31.02972.06681.68551.68553.48032.74382.7438
H41.02972.06681.68551.68552.74383.48032.7438
H51.02972.06681.68551.68552.74382.74383.4803
F62.57361.66453.48032.74382.74382.71982.7198
F72.57361.66452.74383.48032.74382.71982.7198
F82.57361.66452.74382.74383.48032.71982.7198

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 109.376 C1 C2 F7 109.376
C1 C2 F8 109.376 C2 C1 H3 109.078
C2 C1 H4 109.078 C2 C1 H5 109.078
H3 C1 H4 109.862 H3 C1 H5 109.862
H4 C1 H5 109.862 F6 C2 F7 109.566
F6 C2 F8 109.566 F7 C2 F8 109.566
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability