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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-633.923106
Energy at 298.15K-633.925169
HF Energy-633.923106
Nuclear repulsion energy137.596645
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 HSEh1PBE/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' 3319 3198 9.62      
2 A' 3260 3141 1.48      
3 A' 1750 1686 18.89      
4 A' 1373 1322 1.41      
5 A' 1239 1194 1.07      
6 A' 1167 1124 103.62      
7 A' 815 785 48.32      
8 A' 433 417 2.19      
9 A' 265 256 6.73      
10 A" 983 947 69.24      
11 A" 863 832 44.93      
12 A" 274 264 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 7871.2 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 7582.3 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 HSEh1PBE/3-21G
ABC
1.76187 0.07887 0.07549

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.515 0.000
C2 1.046 -0.290 0.000
Cl3 -1.658 -0.195 0.000
F4 2.322 0.193 0.000
H5 0.036 1.592 0.000
H6 0.973 -1.369 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31911.80322.34461.07752.1204
C21.31912.70511.36482.13491.0821
Cl31.80322.70513.99902.46162.8813
F42.34461.36483.99902.68042.0640
H51.07752.13492.46162.68043.1056
H62.12041.08212.88132.06403.1056

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 121.744 C1 C2 H6 123.726
C2 C1 Cl3 119.273 C2 C1 H5 125.650
Cl3 C1 H5 115.078 F4 C2 H6 114.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.523      
2 C 0.153      
3 Cl 0.087      
4 F -0.267      
5 H 0.296      
6 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.557 -0.034 0.000 0.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.635 -1.344 0.000
y -1.344 -26.183 0.000
z 0.000 0.000 -30.695
Traceless
 xyz
x -5.197 -1.344 0.000
y -1.344 5.982 0.000
z 0.000 0.000 -0.786
Polar
3z2-r2-1.572
x2-y2-7.453
xy-1.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.708 0.010 0.000
y 0.010 3.564 0.000
z 0.000 0.000 1.362


<r2> (average value of r2) Å2
<r2> 129.096
(<r2>)1/2 11.362