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 CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: HSEh1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-637.193879
Energy at 298.15K-637.196170
HF Energy-637.193879
Nuclear repulsion energy146.036306
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 HSEh1PBE/6-311+G(3df,2p)
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' 3247 3247 6.13      
2 A' 3216 3216 6.61      
3 A' 1733 1733 66.88      
4 A' 1358 1358 21.91      
5 A' 1266 1266 43.61      
6 A' 1094 1094 87.49      
7 A' 831 831 17.97      
8 A' 676 676 21.51      
9 A' 198 198 1.33      
10 A" 910 910 0.25      
11 A" 762 762 46.04      
12 A" 468 468 7.10      

Unscaled Zero Point Vibrational Energy (zpe) 7879.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7879.8 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 HSEh1PBE/6-311+G(3df,2p)
ABC
0.56255 0.12416 0.10171

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.857 0.000
C2 1.243 0.410 0.000
Cl3 -1.373 -0.158 0.000
F4 1.553 -0.878 0.000
H5 -0.195 1.918 0.000
H6 2.105 1.066 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32091.70722.32791.07942.1152
C21.32092.67741.32512.08391.0822
Cl31.70722.67743.01302.38693.6868
F42.32791.32513.01303.29752.0205
H51.07942.08392.38693.29752.4531
H62.11521.08223.68682.02052.4531

picture of (Z)-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 123.232 C1 C2 H6 123.016
C2 C1 Cl3 123.806 C2 C1 H5 120.159
Cl3 C1 H5 116.035 F4 C2 H6 113.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 C 0.578      
3 Cl -0.165      
4 F -0.335      
5 H 0.133      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.831 1.902 0.000 2.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.188 2.376 0.000
y 2.376 -27.557 0.000
z 0.000 0.000 -30.669
Traceless
 xyz
x 0.925 2.376 0.000
y 2.376 1.872 0.000
z 0.000 0.000 -2.797
Polar
3z2-r2-5.593
x2-y2-0.631
xy2.376
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.038 0.279 0.000
y 0.279 5.561 0.000
z 0.000 0.000 4.352


<r2> (average value of r2) Å2
<r2> 103.070
(<r2>)1/2 10.152