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

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-637.074404
Energy at 298.15K-637.076507
HF Energy-637.074404
Nuclear repulsion energy140.914908
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 PBE1PBE/6-31G(2df,p)
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' 3255 3115 10.25      
2 A' 3232 3093 5.38      
3 A' 1742 1667 31.16      
4 A' 1331 1274 0.15      
5 A' 1231 1178 3.35      
6 A' 1205 1153 168.81      
7 A' 902 863 48.62      
8 A' 460 440 1.57      
9 A' 269 257 5.37      
10 A" 947 906 40.90      
11 A" 823 788 13.60      
12 A" 280 268 1.25      

Unscaled Zero Point Vibrational Energy (zpe) 7837.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 7500.5 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 PBE1PBE/6-31G(2df,p)
ABC
1.82734 0.08287 0.07928

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.481 0.000
C2 1.019 -0.365 0.000
Cl3 -1.623 -0.083 0.000
F4 2.270 0.068 0.000
H5 0.124 1.556 0.000
H6 0.927 -1.446 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32421.71852.30721.08232.1380
C21.32422.65751.32362.11891.0853
Cl31.71852.65753.89632.39592.8914
F42.30721.32363.89632.61102.0243
H51.08232.11892.39592.61103.1073
H62.13801.08532.89142.02433.1073

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 121.228 C1 C2 H6 124.787
C2 C1 Cl3 121.168 C2 C1 H5 123.088
Cl3 C1 H5 115.743 F4 C2 H6 113.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.214      
2 C 0.064      
3 Cl -0.098      
4 F -0.090      
5 H 0.183      
6 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.380 -0.094 0.000 0.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.743 -0.777 0.000
y -0.777 -25.942 0.000
z 0.000 0.000 -29.863
Traceless
 xyz
x -3.841 -0.777 0.000
y -0.777 4.861 0.000
z 0.000 0.000 -1.020
Polar
3z2-r2-2.041
x2-y2-5.801
xy-0.777
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.326 -0.364 0.000
y -0.364 4.594 0.000
z 0.000 0.000 2.967


<r2> (average value of r2) Å2
<r2> 123.367
(<r2>)1/2 11.107