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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-634.125629
Energy at 298.15K-634.127879
HF Energy-634.125629
Nuclear repulsion energy142.895703
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 B3PW91/3-21G
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' 3309 3181 8.38      
2 A' 3229 3104 2.88      
3 A' 1753 1685 37.83      
4 A' 1391 1338 16.82      
5 A' 1278 1229 19.97      
6 A' 1084 1042 58.14      
7 A' 776 746 11.70      
8 A' 626 602 28.91      
9 A' 192 185 1.20      
10 A" 976 938 0.16      
11 A" 785 755 68.28      
12 A" 461 443 10.60      

Unscaled Zero Point Vibrational Energy (zpe) 7930.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 7622.8 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 B3PW91/3-21G
ABC
0.51016 0.12241 0.09872

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.922 0.000
C2 1.243 0.478 0.000
Cl3 -1.383 -0.233 0.000
F4 1.582 -0.840 0.000
H5 -0.269 1.966 0.000
H6 2.089 1.155 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31991.80282.36831.07792.1021
C21.31992.72111.36112.12131.0837
Cl31.80282.72113.02722.46583.7400
F42.36831.36113.02723.36172.0585
H51.07792.12132.46583.36172.4937
H62.10211.08373.74002.05852.4937

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 124.103 C1 C2 H6 121.673
C2 C1 Cl3 120.461 C2 C1 H5 124.120
Cl3 C1 H5 115.419 F4 C2 H6 114.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.534      
2 C 0.160      
3 Cl 0.094      
4 F -0.253      
5 H 0.285      
6 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.368 2.337 0.000 2.707
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.538 2.203 0.000
y 2.203 -26.718 0.000
z 0.000 0.000 -30.661
Traceless
 xyz
x 0.151 2.203 0.000
y 2.203 2.882 0.000
z 0.000 0.000 -3.032
Polar
3z2-r2-6.065
x2-y2-1.821
xy2.203
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.327 0.622 0.000
y 0.622 4.013 0.000
z 0.000 0.000 1.382


<r2> (average value of r2) Å2
<r2> 105.617
(<r2>)1/2 10.277