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All results from a given calculation for CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-635.789200
Energy at 298.15K-635.791459
HF Energy-635.789200
Nuclear repulsion energy141.023978
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/6-31+G**
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' 3431 3102 1.11      
2 A' 3419 3091 15.58      
3 A' 1881 1701 37.18      
4 A' 1441 1303 0.18      
5 A' 1359 1229 5.42      
6 A' 1241 1122 235.44      
7 A' 948 858 70.57      
8 A' 485 438 2.07      
9 A' 297 268 8.09      
10 A" 1045 945 67.25      
11 A" 940 850 21.62      
12 A" 300 271 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 8392.5 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 7588.5 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/6-31+G**
ABC
1.85776 0.08285 0.07931

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.470 0.000
C2 1.025 -0.345 0.000
Cl3 -1.624 -0.122 0.000
F4 2.264 0.134 0.000
H5 0.103 1.536 0.000
H6 0.983 -1.415 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.30991.72892.28861.07112.1265
C21.30992.65891.32782.09521.0713
Cl31.72892.65893.89642.39462.9104
F42.28861.32783.89642.57592.0102
H51.07112.09522.39462.57593.0802
H62.12651.07132.91042.01023.0802

picture of (E)-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 120.370 C1 C2 H6 126.225
C2 C1 Cl3 121.474 C2 C1 H5 122.967
Cl3 C1 H5 115.559 F4 C2 H6 113.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 C 0.201      
3 Cl 0.015      
4 F -0.358      
5 H 0.213      
6 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.090 -0.241 0.000 0.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.489 -1.457 0.000
y -1.457 -26.378 0.000
z 0.000 0.000 -30.899
Traceless
 xyz
x -5.851 -1.457 0.000
y -1.457 6.316 0.000
z 0.000 0.000 -0.465
Polar
3z2-r2-0.931
x2-y2-8.112
xy-1.457
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.101 -0.498 0.000
y -0.498 4.505 0.000
z 0.000 0.000 3.256


<r2> (average value of r2) Å2
<r2> 124.179
(<r2>)1/2 11.144