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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-637.472192
Energy at 298.15K-637.474289
HF Energy-637.472192
Nuclear repulsion energy140.671156
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 B1B95/6-311G**
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' 3259 3129 8.97      
2 A' 3242 3112 6.53      
3 A' 1740 1670 26.95      
4 A' 1323 1270 0.04      
5 A' 1240 1191 0.69      
6 A' 1176 1129 195.78      
7 A' 894 858 62.30      
8 A' 455 437 1.94      
9 A' 270 259 6.02      
10 A" 936 899 64.93      
11 A" 821 788 16.05      
12 A" 277 266 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 7815.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 7503.5 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 B1B95/6-311G**
ABC
1.84026 0.08249 0.07895

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.472 0.000
C2 1.022 -0.363 0.000
Cl3 -1.627 -0.096 0.000
F4 2.274 0.097 0.000
H5 0.116 1.544 0.000
H6 0.952 -1.441 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31941.72342.30441.07832.1368
C21.31942.66271.33322.11061.0807
Cl31.72342.66273.90562.39342.9093
F42.30441.33323.90562.59782.0274
H51.07832.11062.39342.59783.0997
H62.13681.08072.90932.02743.0997

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 120.626 C1 C2 H6 125.529
C2 C1 Cl3 121.544 C2 C1 H5 123.036
Cl3 C1 H5 115.420 F4 C2 H6 113.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.289      
2 C 0.195      
3 Cl -0.036      
4 F -0.203      
5 H 0.193      
6 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.200 -0.210 0.000 0.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.976 -0.963 0.000
y -0.963 -26.313 0.000
z 0.000 0.000 -30.533
Traceless
 xyz
x -4.553 -0.963 0.000
y -0.963 5.441 0.000
z 0.000 0.000 -0.889
Polar
3z2-r2-1.777
x2-y2-6.662
xy-0.963
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.206 -0.278 0.000
y -0.278 4.203 0.000
z 0.000 0.000 2.379


<r2> (average value of r2) Å2
<r2> 124.253
(<r2>)1/2 11.147