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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-637.307796
Energy at 298.15K-637.309882
HF Energy-637.307796
Nuclear repulsion energy140.592864
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 B3PW91/6-31G(2df,p)
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' 3243 3117 9.79      
2 A' 3220 3096 5.50      
3 A' 1724 1657 29.24      
4 A' 1329 1278 0.32      
5 A' 1228 1181 0.34      
6 A' 1190 1144 169.37      
7 A' 889 855 50.30      
8 A' 455 437 1.53      
9 A' 268 258 5.35      
10 A" 940 904 41.40      
11 A" 815 784 12.84      
12 A" 277 266 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 7789.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 7488.3 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 B3PW91/6-31G(2df,p)
ABC
1.82408 0.08245 0.07889

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.481 0.000
C2 1.022 -0.363 0.000
Cl3 -1.627 -0.088 0.000
F4 2.275 0.075 0.000
H5 0.119 1.556 0.000
H6 0.935 -1.445 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32561.72392.31141.08222.1408
C21.32562.66401.32752.12151.0850
Cl31.72392.66403.90632.39852.9001
F42.31141.32753.90632.61652.0259
H51.08222.12152.39852.61653.1103
H62.14081.08502.90012.02593.1103

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 121.197 C1 C2 H6 124.955
C2 C1 Cl3 121.206 C2 C1 H5 123.232
Cl3 C1 H5 115.562 F4 C2 H6 113.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 C 0.062      
3 Cl -0.102      
4 F -0.088      
5 H 0.182      
6 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.368 -0.093 0.000 0.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.744 -0.800 0.000
y -0.800 -25.908 0.000
z 0.000 0.000 -29.796
Traceless
 xyz
x -3.892 -0.800 0.000
y -0.800 4.862 0.000
z 0.000 0.000 -0.970
Polar
3z2-r2-1.940
x2-y2-5.836
xy-0.800
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.392 -0.352 0.000
y -0.352 4.605 0.000
z 0.000 0.000 2.969


<r2> (average value of r2) Å2
<r2> 123.860
(<r2>)1/2 11.129