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

using model chemistry: B3LYP/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 B3LYP/CEP-121G
 hartrees
Energy at 0K-51.526203
Energy at 298.15K-51.528170
HF Energy-51.526203
Nuclear repulsion energy54.955714
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3235 3153 4.43      
2 A' 3222 3140 8.55      
3 A' 1656 1614 12.71      
4 A' 1298 1265 1.43      
5 A' 1224 1193 3.64      
6 A' 1047 1021 138.84      
7 A' 815 795 62.22      
8 A' 415 404 1.92      
9 A' 256 250 9.05      
10 A" 919 896 102.06      
11 A" 786 766 9.62      
12 A" 256 249 3.05      

Unscaled Zero Point Vibrational Energy (zpe) 7565.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 7372.1 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 B3LYP/CEP-121G
ABC
1.73234 0.07648 0.07324

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.490 0.000
C2 1.061 -0.333 0.000
Cl3 -1.686 -0.181 0.000
F4 2.354 0.220 0.000
H5 0.053 1.571 0.000
H6 1.069 -1.417 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34221.81502.36931.08282.1856
C21.34222.75141.40622.15431.0842
Cl31.81502.75144.06022.46883.0196
F42.36931.40624.06022.66882.0808
H51.08282.15432.46882.66883.1560
H62.18561.08423.01962.08083.1560

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 119.089 C1 C2 H6 128.202
C2 C1 Cl3 120.526 C2 C1 H5 125.000
Cl3 C1 H5 114.474 F4 C2 H6 112.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.316      
2 C 0.137      
3 Cl 0.021      
4 F -0.219      
5 H 0.212      
6 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.220 -0.244 0.000 0.329
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.095 -1.920 0.000
y -1.920 -25.597 0.000
z 0.000 0.000 -30.196
Traceless
 xyz
x -7.199 -1.920 0.000
y -1.920 7.048 0.000
z 0.000 0.000 0.150
Polar
3z2-r20.300
x2-y2-9.498
xy-1.920
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.721 -0.060 0.000
y -0.060 4.180 0.000
z 0.000 0.000 2.251


<r2> (average value of r2) Å2
<r2> 89.708
(<r2>)1/2 9.471