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All results from a given calculation for C2HF3 (Trifluoroethylene)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-83.412123
Energy at 298.15K-83.413569
HF Energy-82.956731
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 MP2/CEP-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 A' 3305 3194 8.23      
2 A' 1741 1683 45.76      
3 A' 1296 1252 47.74      
4 A' 1153 1114 157.94      
5 A' 1060 1024 124.45      
6 A' 837 809 55.58      
7 A' 554 536 4.17      
8 A' 424 410 5.53      
9 A' 214 206 7.60      
10 A" 734 709 43.28      
11 A" 452 436 1.93      
12 A" 278 269 11.70      

Unscaled Zero Point Vibrational Energy (zpe) 6023.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 5820.2 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-31G
ABC
0.31743 0.11725 0.08562

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
C2 -0.754 -0.710 0.000
F3 1.390 0.513 0.000
F4 -0.584 1.715 0.000
F5 -0.098 -1.967 0.000
H6 -1.845 -0.746 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6
C11.37751.39131.39992.41212.1944
C21.37752.46762.43141.41751.0916
F31.39132.46762.31062.89243.4705
F41.39992.43142.31063.71432.7651
F52.41211.41752.89243.71432.1310
H62.19441.09163.47052.76512.1310

picture of Trifluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 119.309 C1 C2 H6 125.025
C2 C1 F3 126.058 C2 C1 F4 122.191
F3 C1 F4 111.750 F5 C2 H6 115.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability