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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-376.610899
Energy at 298.15K-376.615600
HF Energy-375.822848
Nuclear repulsion energy200.789710
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 MP2/6-31G**
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 3167 2966 0.44      
2 A1 1494 1399 94.22      
3 A1 1340 1255 140.18      
4 A1 849 795 5.42      
5 A1 605 567 22.93      
6 A2 261 244 0.00      
7 E 3278 3070 3.48      
7 E 3278 3070 3.48      
8 E 1546 1448 0.05      
8 E 1546 1448 0.05      
9 E 1306 1223 230.20      
9 E 1306 1223 230.20      
10 E 1017 952 48.83      
10 E 1017 952 48.83      
11 E 538 504 1.44      
11 E 538 504 1.44      
12 E 367 343 0.54      
12 E 367 343 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 11910.0 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 11153.7 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 MP2/6-31G**
ABC
0.18035 0.17220 0.17220

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.471
C2 0.000 0.000 -0.026
H3 0.000 -1.025 1.828
H4 0.888 0.513 1.828
H5 -0.888 0.513 1.828
F6 0.000 1.259 -0.524
F7 -1.090 -0.629 -0.524
F8 1.090 -0.629 -0.524

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49701.08561.08561.08562.35922.35922.3592
C21.49702.11852.11852.11851.35371.35371.3537
H31.08562.11851.77591.77593.27872.62262.6226
H41.08562.11851.77591.77592.62263.27872.6226
H51.08562.11851.77591.77592.62262.62263.2787
F62.35921.35373.27872.62262.62262.18012.1801
F72.35921.35372.62263.27872.62262.18012.1801
F82.35921.35372.62262.62263.27872.18012.1801

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 111.600 C1 C2 F7 111.600
C1 C2 F8 111.600 C2 C1 H3 109.193
C2 C1 H4 109.193 C2 C1 H5 109.193
H3 C1 H4 109.748 H3 C1 H5 109.748
H4 C1 H5 109.748 F6 C2 F7 107.261
F6 C2 F8 107.261 F7 C2 F8 107.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability