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

using model chemistry: HSEh1PBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-637.199919
Energy at 298.15K-637.202026
HF Energy-637.199919
Nuclear repulsion energy140.807234
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/cc-pVTZ
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' 3240 3114 8.62      
2 A' 3227 3101 6.34      
3 A' 1727 1660 27.87      
4 A' 1324 1273 0.31      
5 A' 1238 1190 0.70      
6 A' 1172 1126 190.97      
7 A' 897 862 52.95      
8 A' 458 440 1.57      
9 A' 271 260 5.63      
10 A" 932 896 57.25      
11 A" 830 797 11.13      
12 A" 278 267 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 7796.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 7492.8 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/cc-pVTZ
ABC
1.83491 0.08273 0.07916

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.475 0.000
C2 1.017 -0.366 0.000
Cl3 -1.625 -0.088 0.000
F4 2.273 0.082 0.000
H5 0.126 1.547 0.000
H6 0.937 -1.445 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31971.71922.30631.08002.1366
C21.31972.65621.33312.11101.0820
Cl31.71922.65623.90082.39532.8991
F42.30631.33313.90082.59942.0287
H51.08002.11102.39532.59943.1007
H62.13661.08202.89912.02873.1007

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 120.769 C1 C2 H6 125.356
C2 C1 Cl3 121.309 C2 C1 H5 122.902
Cl3 C1 H5 115.789 F4 C2 H6 113.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.130      
2 C 0.111      
3 Cl -0.084      
4 F -0.159      
5 H 0.150      
6 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.125 -0.136 0.000 0.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.524 -0.885 0.000
y -0.885 -26.235 0.000
z 0.000 0.000 -30.332
Traceless
 xyz
x -4.240 -0.885 0.000
y -0.885 5.193 0.000
z 0.000 0.000 -0.953
Polar
3z2-r2-1.906
x2-y2-6.289
xy-0.885
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.622 -0.336 0.000
y -0.336 4.790 0.000
z 0.000 0.000 3.234


<r2> (average value of r2) Å2
<r2> 123.826
(<r2>)1/2 11.128