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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-50.657209
Energy at 298.15K-50.659443
HF Energy-50.657209
Nuclear repulsion energy56.880153
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' 3426 3095 2.08      
2 A' 3416 3086 15.49      
3 A' 1849 1670 41.42      
4 A' 1429 1291 0.26      
5 A' 1345 1215 5.80      
6 A' 1244 1124 244.41      
7 A' 946 855 71.23      
8 A' 481 435 2.21      
9 A' 291 263 8.18      
10 A" 1036 936 67.78      
11 A" 905 818 21.95      
12 A" 298 269 2.49      

Unscaled Zero Point Vibrational Energy (zpe) 8333.5 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 7528.5 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 HF/CEP-121G*
ABC
1.83071 0.08217 0.07864

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 0.479 0.000
C2 1.030 -0.340 0.000
Cl3 -1.631 -0.130 0.000
F4 2.273 0.139 0.000
H5 0.095 1.548 0.000
H6 0.988 -1.413 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31611.74072.29831.07302.1347
C21.31612.66881.33212.10711.0741
Cl31.74072.66883.91272.40692.9155
F42.29831.33213.91272.59432.0155
H51.07302.10712.40692.59433.0931
H62.13471.07412.91552.01553.0931

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 120.419 C1 C2 H6 126.231
C2 C1 Cl3 121.003 C2 C1 H5 123.440
Cl3 C1 H5 115.557 F4 C2 H6 113.350
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 -0.188      
2 C 0.151      
3 Cl -0.135      
4 F -0.289      
5 H 0.250      
6 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.146 -0.226 0.000 0.269
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.339 -1.431 0.000
y -1.431 -25.454 0.000
z 0.000 0.000 -30.093
Traceless
 xyz
x -5.565 -1.431 0.000
y -1.431 6.262 0.000
z 0.000 0.000 -0.697
Polar
3z2-r2-1.393
x2-y2-7.885
xy-1.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.970 -0.447 0.000
y -0.447 4.363 0.000
z 0.000 0.000 2.822


<r2> (average value of r2) Å2
<r2> 84.536
(<r2>)1/2 9.194