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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-634.244110
Energy at 298.15K-634.246406
HF Energy-634.244110
Nuclear repulsion energy144.554618
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' 3276 3143 8.67      
2 A' 3231 3100 2.77      
3 A' 1740 1670 39.51      
4 A' 1409 1352 11.75      
5 A' 1300 1247 13.79      
6 A' 1097 1052 64.82      
7 A' 809 776 14.05      
8 A' 668 640 23.81      
9 A' 195 187 1.41      
10 A" 970 931 0.22      
11 A" 787 755 61.42      
12 A" 475 456 10.05      

Unscaled Zero Point Vibrational Energy (zpe) 7977.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 7653.9 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
0.53300 0.12381 0.10047

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 0.886 0.000
C2 1.242 0.425 0.000
Cl3 -1.374 -0.165 0.000
F4 1.558 -0.900 0.000
H5 -0.210 1.945 0.000
H6 2.098 1.089 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32451.72962.36941.08042.1080
C21.32452.68151.36182.10241.0834
Cl31.72962.68153.02252.40993.6916
F42.36941.36183.02253.34962.0603
H51.08042.10242.40993.34962.4623
H62.10801.08343.69162.06032.4623

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 123.768 C1 C2 H6 121.879
C2 C1 Cl3 122.250 C2 C1 H5 121.568
Cl3 C1 H5 116.182 F4 C2 H6 114.353
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 -0.438      
2 C 0.131      
3 Cl 0.047      
4 F -0.258      
5 H 0.275      
6 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.081 2.087 0.000 2.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.968 2.482 0.000
y 2.482 -26.910 0.000
z 0.000 0.000 -30.468
Traceless
 xyz
x 0.721 2.482 0.000
y 2.482 2.308 0.000
z 0.000 0.000 -3.029
Polar
3z2-r2-6.057
x2-y2-1.058
xy2.482
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.449 0.370 0.000
y 0.370 4.060 0.000
z 0.000 0.000 1.698


<r2> (average value of r2) Å2
<r2> 103.909
(<r2>)1/2 10.194