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All results from a given calculation for C2HF3 (Trifluoroethylene)

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 CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-375.328924
Energy at 298.15K-375.330658
HF Energy-374.568810
Nuclear repulsion energy172.153546
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 A' 3336 3146 6.79      
2 A' 1866 1759 60.66      
3 A' 1414 1334 116.46      
4 A' 1315 1240 169.78      
5 A' 1198 1130 120.10      
6 A' 949 895 56.05      
7 A' 620 584 3.33      
8 A' 480 453 2.42      
9 A' 225 212 4.61      
10 A" 763 720 29.47      
11 A" 549 518 2.96      
12 A" 309 292 5.11      

Unscaled Zero Point Vibrational Energy (zpe) 6512.4 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 6141.2 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 MP2/6-31G*
ABC
0.34857 0.12779 0.09351

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.437 0.000
C2 -0.718 -0.683 0.000
F3 1.328 0.479 0.000
F4 -0.546 1.648 0.000
F5 -0.103 -1.885 0.000
H6 -1.799 -0.706 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6
C11.33041.32871.32912.32372.1309
C21.33042.35302.33781.35001.0807
F31.32872.35302.20962.76273.3435
F41.32912.33782.20963.56082.6664
F52.32371.35002.76273.56082.0654
H62.13091.08073.34352.66642.0654

picture of Trifluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 120.208 C1 C2 H6 123.872
C2 C1 F3 124.475 C2 C1 F4 123.050
F3 C1 F4 112.475 F5 C2 H6 115.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability