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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-85.139024
Energy at 298.15K-85.143652
HF Energy-84.352682
Nuclear repulsion energy113.871628
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/CEP-121G*
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 3110 2963 0.94      
2 A1 1475 1405 94.59      
3 A1 1312 1250 145.58      
4 A1 829 790 7.34      
5 A1 597 569 23.47      
6 A2 241 230 0.00      
7 E 3226 3074 4.63      
7 E 3226 3074 4.63      
8 E 1523 1452 0.81      
8 E 1523 1452 0.81      
9 E 1258 1198 243.76      
9 E 1258 1198 243.76      
10 E 992 945 75.03      
10 E 992 945 75.03      
11 E 533 508 0.99      
11 E 533 508 0.99      
12 E 361 344 0.55      
12 E 361 344 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11675.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 11124.1 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/CEP-121G*
ABC
0.17890 0.16939 0.16939

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.482
C2 0.000 0.000 -0.030
H3 0.000 -1.032 1.835
H4 0.894 0.516 1.835
H5 -0.894 0.516 1.835
F6 0.000 1.264 -0.539
F7 -1.094 -0.632 -0.539
F8 1.094 -0.632 -0.539

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.51221.09101.09101.09102.38382.38382.3838
C21.51222.13192.13192.13191.36231.36231.3623
H31.09102.13191.78801.78803.30282.64492.6449
H41.09102.13191.78801.78802.64493.30282.6449
H51.09102.13191.78801.78802.64492.64493.3028
F62.38381.36233.30282.64492.64492.18872.1887
F72.38381.36232.64493.30282.64492.18872.1887
F82.38381.36232.64492.64493.30282.18872.1887

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 111.942 C1 C2 F7 111.942
C1 C2 F8 111.942 C2 C1 H3 108.880
C2 C1 H4 108.880 C2 C1 H5 108.880
H3 C1 H4 110.056 H3 C1 H5 110.056
H4 C1 H5 110.056 F6 C2 F7 106.892
F6 C2 F8 106.892 F7 C2 F8 106.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability