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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-50.571032
Energy at 298.15K-50.573225
HF Energy-50.571032
Nuclear repulsion energy55.837646
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/CEP-121G
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' 3427 3127 1.47      
2 A' 3415 3116 15.36      
3 A' 1826 1666 22.05      
4 A' 1414 1290 1.18      
5 A' 1337 1220 6.75      
6 A' 1152 1051 178.71      
7 A' 892 814 71.52      
8 A' 455 415 2.35      
9 A' 283 258 12.38      
10 A" 1036 946 101.07      
11 A" 933 852 20.86      
12 A" 287 262 5.92      

Unscaled Zero Point Vibrational Energy (zpe) 8227.7 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 7507.8 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 HF/CEP-121G
ABC
1.79352 0.07881 0.07549

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.480 0.000
C2 1.050 -0.323 0.000
Cl3 -1.662 -0.182 0.000
F4 2.315 0.222 0.000
H5 0.054 1.548 0.000
H6 1.059 -1.394 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32231.78892.32971.06962.1520
C21.32232.71601.37762.12001.0704
Cl31.78892.71603.99792.43692.9783
F42.32971.37763.99792.62122.0471
H51.06962.12002.43692.62123.1086
H62.15201.07042.97832.04713.1086

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 119.269 C1 C2 H6 127.848
C2 C1 Cl3 120.883 C2 C1 H5 124.495
Cl3 C1 H5 114.622 F4 C2 H6 112.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.316      
2 C 0.221      
3 Cl -0.027      
4 F -0.308      
5 H 0.237      
6 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.096 -0.284 0.000 0.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.740 -2.418 0.000
y -2.418 -25.625 0.000
z 0.000 0.000 -30.344
Traceless
 xyz
x -8.756 -2.418 0.000
y -2.418 7.917 0.000
z 0.000 0.000 0.839
Polar
3z2-r21.677
x2-y2-11.116
xy-2.418
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.175 -0.235 0.000
y -0.235 3.961 0.000
z 0.000 0.000 2.155


<r2> (average value of r2) Å2
<r2> 87.957
(<r2>)1/2 9.379