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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-632.627416
Energy at 298.15K-632.629830
HF Energy-632.627416
Nuclear repulsion energy143.948180
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 HF/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' 3485 3156 9.75      
2 A' 3430 3107 2.70      
3 A' 1911 1730 45.82      
4 A' 1501 1359 26.45      
5 A' 1370 1240 25.71      
6 A' 1155 1046 78.73      
7 A' 822 744 10.19      
8 A' 654 592 37.56      
9 A' 212 192 2.16      
10 A" 1134 1027 2.84      
11 A" 887 804 61.42      
12 A" 498 451 14.32      

Unscaled Zero Point Vibrational Energy (zpe) 8529.2 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 7724.1 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 HF/3-21G
ABC
0.51844 0.12408 0.10012

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.914 0.000
C2 1.231 0.497 0.000
Cl3 -1.374 -0.252 0.000
F4 1.576 -0.809 0.000
H5 -0.279 1.940 0.000
H6 2.067 1.161 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.30001.80232.33541.06352.0820
C21.30002.71131.35152.08871.0670
Cl31.80232.71133.00232.45093.7202
F42.33541.35153.00233.31682.0302
H51.06352.08872.45093.31682.4724
H62.08201.06703.72022.03022.4724

picture of (Z)-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 123.462 C1 C2 H6 122.886
C2 C1 Cl3 120.990 C2 C1 H5 123.889
Cl3 C1 H5 115.121 F4 C2 H6 113.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.548      
2 C 0.274      
3 Cl 0.075      
4 F -0.367      
5 H 0.302      
6 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.457 2.939 0.000 3.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.371 2.793 0.000
y 2.793 -27.305 0.000
z 0.000 0.000 -30.966
Traceless
 xyz
x -0.235 2.793 0.000
y 2.793 2.864 0.000
z 0.000 0.000 -2.628
Polar
3z2-r2-5.256
x2-y2-2.066
xy2.793
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.290 0.645 0.000
y 0.645 3.795 0.000
z 0.000 0.000 1.292


<r2> (average value of r2) Å2
<r2> 104.739
(<r2>)1/2 10.234