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

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-634.360183
Energy at 298.15K-634.362266
HF Energy-634.360183
Nuclear repulsion energy138.785464
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/3-21G*
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' 3264 3140 8.45      
2 A' 3234 3111 3.71      
3 A' 1719 1654 16.37      
4 A' 1370 1318 1.31      
5 A' 1271 1223 3.42      
6 A' 1153 1109 101.36      
7 A' 848 816 47.49      
8 A' 441 424 1.65      
9 A' 274 264 5.99      
10 A" 974 937 64.01      
11 A" 856 824 27.42      
12 A" 275 265 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 7839.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 7541.4 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/3-21G*
ABC
1.82358 0.08007 0.07670

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 1.021 -0.362 0.000
Cl3 -1.649 -0.091 0.000
F4 2.318 0.078 0.000
H5 0.122 1.555 0.000
H6 0.914 -1.439 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32471.74532.35331.07942.1276
C21.32472.68301.37022.11731.0822
Cl31.74532.68303.97042.41692.8953
F42.35331.37023.97042.64702.0673
H51.07942.11732.41692.64703.0969
H62.12761.08222.89532.06733.0969

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 121.667 C1 C2 H6 123.931
C2 C1 Cl3 121.229 C2 C1 H5 123.132
Cl3 C1 H5 115.640 F4 C2 H6 114.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.380      
2 C 0.142      
3 Cl 0.021      
4 F -0.264      
5 H 0.257      
6 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.213 -0.144 0.000 0.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.820 -0.799 0.000
y -0.799 -26.213 0.000
z 0.000 0.000 -30.386
Traceless
 xyz
x -4.520 -0.799 0.000
y -0.799 5.390 0.000
z 0.000 0.000 -0.870
Polar
3z2-r2-1.739
x2-y2-6.607
xy-0.799
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.765 -0.296 0.000
y -0.296 3.793 0.000
z 0.000 0.000 1.678


<r2> (average value of r2) Å2
<r2> 127.153
(<r2>)1/2 11.276