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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-637.019104
Energy at 298.15K-637.021275
HF Energy-637.019104
Nuclear repulsion energy144.130429
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 PBEPBE/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' 3186 3142 8.73      
2 A' 3140 3097 4.14      
3 A' 1685 1661 57.28      
4 A' 1323 1305 23.36      
5 A' 1235 1218 34.02      
6 A' 1069 1054 71.88      
7 A' 796 786 18.84      
8 A' 647 638 20.97      
9 A' 189 187 0.95      
10 A" 831 819 0.02      
11 A" 724 714 41.85      
12 A" 443 437 7.35      

Unscaled Zero Point Vibrational Energy (zpe) 7633.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 7528.8 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 PBEPBE/6-31G**
ABC
0.54470 0.12132 0.09922

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.874 0.000
C2 1.259 0.417 0.000
Cl3 -1.389 -0.164 0.000
F4 1.571 -0.888 0.000
H5 -0.209 1.944 0.000
H6 2.127 1.082 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33921.73382.36121.09022.1375
C21.33922.71041.34212.11831.0941
Cl31.73382.71043.04752.41553.7304
F42.36121.34213.04753.34562.0474
H51.09022.11832.41553.34562.4906
H62.13751.09413.73042.04742.4906

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 123.435 C1 C2 H6 122.593
C2 C1 Cl3 123.262 C2 C1 H5 121.029
Cl3 C1 H5 115.709 F4 C2 H6 113.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 C 0.205      
3 Cl 0.018      
4 F -0.213      
5 H 0.166      
6 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.075 1.749 0.000 2.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.721 1.979 0.000
y 1.979 -26.722 0.000
z 0.000 0.000 -30.080
Traceless
 xyz
x 0.680 1.979 0.000
y 1.979 2.179 0.000
z 0.000 0.000 -2.859
Polar
3z2-r2-5.718
x2-y2-1.000
xy1.979
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.030 0.416 0.000
y 0.416 4.487 0.000
z 0.000 0.000 2.252


<r2> (average value of r2) Å2
<r2> 104.817
(<r2>)1/2 10.238