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

using model chemistry: TPSSh/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 TPSSh/3-21G
 hartrees
Energy at 0K-634.245908
Energy at 298.15K-634.247911
HF Energy-634.245908
Nuclear repulsion energy136.680617
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 TPSSh/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' 3297 3195 7.49      
2 A' 3238 3137 2.26      
3 A' 1706 1652 16.87      
4 A' 1364 1321 1.62      
5 A' 1226 1187 3.58      
6 A' 1136 1101 100.82      
7 A' 791 766 51.36      
8 A' 421 408 2.30      
9 A' 256 248 6.56      
10 A" 968 938 73.13      
11 A" 825 800 39.00      
12 A" 268 259 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 7747.4 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 7505.6 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 TPSSh/3-21G
ABC
1.73140 0.07787 0.07452

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.524 0.000
C2 1.051 -0.282 0.000
Cl3 -1.667 -0.211 0.000
F4 2.336 0.210 0.000
H5 0.016 1.602 0.000
H6 0.988 -1.362 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32481.82182.35721.07782.1294
C21.32482.71941.37602.14931.0822
Cl31.82182.71944.02542.47382.8940
F42.35721.37604.02542.70502.0716
H51.07782.14932.47382.70503.1192
H62.12941.08222.89402.07163.1192

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 121.553 C1 C2 H6 124.114
C2 C1 Cl3 118.735 C2 C1 H5 126.600
Cl3 C1 H5 114.665 F4 C2 H6 114.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.494      
2 C 0.145      
3 Cl 0.066      
4 F -0.256      
5 H 0.289      
6 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.632 -0.002 0.000 0.632
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.916 0.080 0.000
y 0.080 3.621 0.000
z 0.000 0.000 1.366


<r2> (average value of r2) Å2
<r2> 130.503
(<r2>)1/2 11.424