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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-84.740807
Energy at 298.15K-84.745185
HF Energy-84.214970
Nuclear repulsion energy110.033124
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 3023 2951 0.91      
2 A1 1473 1437 41.36      
3 A1 1268 1238 163.25      
4 A1 741 724 15.95      
5 A1 536 523 32.28      
6 A2 221 216 0.00      
7 E 3149 3073 4.75      
7 E 3149 3073 4.75      
8 E 1512 1476 4.69      
8 E 1512 1476 4.69      
9 E 1208 1179 153.63      
9 E 1208 1179 153.63      
10 E 925 903 124.58      
10 E 925 903 124.58      
11 E 475 463 1.71      
11 E 475 463 1.71      
12 E 334 326 0.96      
12 E 334 326 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 11234.3 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 10964.7 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 MP2/CEP-121G
ABC
0.16488 0.15894 0.15894

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 1.524
C2 0.000 0.000 -0.001
H3 0.000 -1.039 1.878
H4 0.900 0.519 1.878
H5 -0.900 0.519 1.878
F6 0.000 1.318 -0.547
F7 -1.141 -0.659 -0.547
F8 1.141 -0.659 -0.547

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.52481.09741.09741.09742.45432.45432.4543
C21.52482.14712.14712.14711.42631.42631.4263
H31.09742.14711.79911.79913.38122.70672.7067
H41.09742.14711.79911.79912.70673.38122.7067
H51.09742.14711.79911.79912.70672.70673.3812
F62.45431.42633.38122.70672.70672.28252.2825
F72.45431.42632.70673.38122.70672.28252.2825
F82.45431.42632.70672.70673.38122.28252.2825

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 112.493 C1 C2 F7 112.493
C1 C2 F8 112.493 C2 C1 H3 108.831
C2 C1 H4 108.831 C2 C1 H5 108.831
H3 C1 H4 110.103 H3 C1 H5 110.103
H4 C1 H5 110.103 F6 C2 F7 106.288
F6 C2 F8 106.288 F7 C2 F8 106.288
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability