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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-50.562846
Energy at 298.15K-50.565192
HF Energy-50.562846
Nuclear repulsion energy57.035439
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 HF/CEP-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' 3488 3144 17.38      
2 A' 3453 3112 9.29      
3 A' 1872 1688 50.53      
4 A' 1442 1300 36.34      
5 A' 1339 1207 21.93      
6 A' 1105 996 123.68      
7 A' 826 744 19.88      
8 A' 662 597 30.12      
9 A' 209 188 2.58      
10 A" 1028 927 0.69      
11 A" 845 762 78.94      
12 A" 469 423 13.28      

Unscaled Zero Point Vibrational Energy (zpe) 8369.1 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 7543.9 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 HF/CEP-31G
ABC
0.52374 0.11865 0.09673

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.895 0.000
C2 1.270 0.470 0.000
Cl3 -1.405 -0.206 0.000
F4 1.600 -0.860 0.000
H5 -0.250 1.939 0.000
H6 2.128 1.116 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33931.78552.37491.07292.1397
C21.33932.75941.37012.11411.0747
Cl31.78552.75943.07542.43583.7730
F42.37491.37013.07543.35492.0460
H51.07292.11412.43583.35492.5168
H62.13971.07473.77302.04602.5168

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 122.449 C1 C2 H6 124.476
C2 C1 Cl3 123.392 C2 C1 H5 122.028
Cl3 C1 H5 114.580 F4 C2 H6 113.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.289      
2 C 0.139      
3 Cl -0.035      
4 F -0.274      
5 H 0.249      
6 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.215 3.326 0.000 3.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.200 3.484 0.000
y 3.484 -27.161 0.000
z 0.000 0.000 -30.396
Traceless
 xyz
x -0.421 3.484 0.000
y 3.484 2.637 0.000
z 0.000 0.000 -2.216
Polar
3z2-r2-4.432
x2-y2-2.039
xy3.484
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.780 0.518 0.000
y 0.518 3.766 0.000
z 0.000 0.000 1.601


<r2> (average value of r2) Å2
<r2> 75.410
(<r2>)1/2 8.684