return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-637.489517
Energy at 298.15K-637.491558
HF Energy-637.489517
Nuclear repulsion energy139.697393
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 TPSSh/6-311G*
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' 3235 3116 6.96      
2 A' 3224 3106 8.58      
3 A' 1699 1637 23.55      
4 A' 1329 1280 0.31      
5 A' 1250 1204 3.26      
6 A' 1138 1097 186.61      
7 A' 868 836 67.29      
8 A' 445 429 1.82      
9 A' 266 256 5.95      
10 A" 926 892 68.78      
11 A" 784 755 12.89      
12 A" 271 261 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 7718.5 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 7434.5 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 TPSSh/6-311G*
ABC
1.81728 0.08134 0.07785

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.476 0.000
C2 1.027 -0.364 0.000
Cl3 -1.639 -0.100 0.000
F4 2.290 0.101 0.000
H5 0.108 1.551 0.000
H6 0.971 -1.445 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32671.73662.32061.08092.1519
C21.32672.67891.34572.12391.0826
Cl31.73662.67893.93392.40362.9356
F42.32061.34573.93392.61952.0326
H51.08092.12392.40362.61953.1176
H62.15191.08262.93562.03263.1176

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 120.535 C1 C2 H6 126.250
C2 C1 Cl3 121.401 C2 C1 H5 123.491
Cl3 C1 H5 115.108 F4 C2 H6 113.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 C 0.123      
3 Cl -0.043      
4 F -0.210      
5 H 0.273      
6 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.239 -0.205 0.000 0.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.387 -0.243 0.000
y -0.243 4.198 0.000
z 0.000 0.000 2.345


<r2> (average value of r2) Å2
<r2> 125.782
(<r2>)1/2 11.215