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 CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-637.356137
Energy at 298.15K-637.358250
HF Energy-637.356137
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 wB97X-D/6-31G(2df,p)
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' 3263 3263 9.82      
2 A' 3238 3238 5.22      
3 A' 1752 1752 32.28      
4 A' 1345 1345 0.33      
5 A' 1248 1248 0.80      
6 A' 1201 1201 174.53      
7 A' 897 897 50.44      
8 A' 460 460 1.66      
9 A' 274 274 5.70      
10 A" 945 945 39.67      
11 A" 826 826 16.24      
12 A" 280 280 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 7864.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7864.5 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 wB97X-D/6-31G(2df,p)
ABC
1.82506 0.08257 0.07899

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 1.024 -0.354 0.000
Cl3 -1.626 -0.100 0.000
F4 2.272 0.090 0.000
H5 0.112 1.558 0.000
H6 0.943 -1.435 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32231.72752.30571.08122.1370
C21.32232.66281.32462.11811.0843
Cl31.72752.66283.90322.40222.8958
F42.30571.32463.90322.61132.0232
H51.08122.11812.40222.61133.1061
H62.13701.08432.89582.02323.1061

picture of (E)-1-chloro-2-fluoroethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 121.175 C1 C2 H6 124.944
C2 C1 Cl3 121.068 C2 C1 H5 123.280
Cl3 C1 H5 115.651 F4 C2 H6 113.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C 0.069      
3 Cl -0.114      
4 F -0.096      
5 H 0.186      
6 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.403 -0.095 0.000 0.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.920 -0.883 0.000
y -0.883 -25.880 0.000
z 0.000 0.000 -29.817
Traceless
 xyz
x -4.071 -0.883 0.000
y -0.883 4.989 0.000
z 0.000 0.000 -0.917
Polar
3z2-r2-1.835
x2-y2-6.040
xy-0.883
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.315 -0.353 0.000
y -0.353 4.599 0.000
z 0.000 0.000 2.961


<r2> (average value of r2) Å2
<r2> 123.748
(<r2>)1/2 11.124