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

using model chemistry: HSEh1PBE/6-31G**

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/6-31G**
 hartrees
Energy at 0K-637.093838
Energy at 298.15K-637.095933
HF Energy-637.093838
Nuclear repulsion energy140.353059
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/6-31G**
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' 3271 3121 9.22      
2 A' 3249 3101 5.77      
3 A' 1752 1672 26.14      
4 A' 1335 1274 0.05      
5 A' 1247 1190 0.70      
6 A' 1200 1145 173.28      
7 A' 900 859 55.15      
8 A' 458 437 1.69      
9 A' 272 260 5.70      
10 A" 940 897 52.45      
11 A" 811 774 17.09      
12 A" 279 266 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 7857.3 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 7498.2 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/6-31G**
ABC
1.82453 0.08217 0.07863

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.475 0.000
C2 1.023 -0.368 0.000
Cl3 -1.631 -0.088 0.000
F4 2.279 0.084 0.000
H5 0.124 1.550 0.000
H6 0.945 -1.450 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32601.72502.31221.08272.1446
C21.32602.66871.33472.11901.0849
Cl31.72502.66873.91332.40092.9133
F42.31221.33473.91332.60612.0337
H51.08272.11902.40092.60613.1110
H62.14461.08492.91332.03373.1110

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 120.684 C1 C2 H6 125.326
C2 C1 Cl3 121.460 C2 C1 H5 122.896
Cl3 C1 H5 115.644 F4 C2 H6 113.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.315      
2 C 0.232      
3 Cl 0.008      
4 F -0.263      
5 H 0.190      
6 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.345 -0.147 0.000 0.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.034 -0.857 0.000
y -0.857 -25.958 0.000
z 0.000 0.000 -30.047
Traceless
 xyz
x -4.031 -0.857 0.000
y -0.857 5.082 0.000
z 0.000 0.000 -1.051
Polar
3z2-r2-2.102
x2-y2-6.075
xy-0.857
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.948 -0.348 0.000
y -0.348 4.159 0.000
z 0.000 0.000 2.224


<r2> (average value of r2) Å2
<r2> 124.331
(<r2>)1/2 11.150