return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2HF3 (Trifluoroethylene)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-376.162904
Energy at 298.15K 
Nuclear repulsion energy172.670434
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 B3PW91/6-31+G**
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' 3285 3154 11.04      
2 A' 1849 1775 78.45      
3 A' 1377 1322 135.18      
4 A' 1278 1227 214.07      
5 A' 1186 1139 159.77      
6 A' 945 907 60.17      
7 A' 621 596 3.41      
8 A' 481 462 2.29      
9 A' 230 221 4.27      
10 A" 777 746 39.12      
11 A" 568 545 0.09      
12 A" 307 295 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 6451.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 6193.7 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 B3PW91/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G** Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.432 0.000
C2 -0.703 -0.693 0.000
F3 1.317 0.510 0.000
F4 -0.567 1.630 0.000
F5 -0.083 -1.886 0.000
H6 -1.783 -0.721 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6
C11.32681.31911.32502.31912.1236
C21.32682.35102.32701.34351.0808
F31.31912.35102.19132.77493.3356
F41.32502.32702.19133.54832.6467
F52.31911.34352.77493.54832.0605
H62.12361.08083.33562.64672.0605

picture of Trifluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 120.563 C1 C2 H6 123.452
C2 C1 F3 125.380 C2 C1 F4 122.680
F3 C1 F4 111.939 F5 C2 H6 115.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.456      
2 C 0.180      
3 F -0.272      
4 F -0.275      
5 F -0.277      
6 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.377 0.150 0.000 1.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.617 1.297 0.000
y 1.297 -29.504 0.000
z 0.000 0.000 -26.040
Traceless
 xyz
x 3.155 1.297 0.000
y 1.297 -4.176 0.000
z 0.000 0.000 1.021
Polar
3z2-r22.041
x2-y24.887
xy1.297
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.026 0.595 0.000
y 0.595 4.975 0.000
z 0.000 0.000 2.642


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000