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All results from a given calculation for C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: HF/6-31G*

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/6-31G*
 hartrees
Energy at 0K-635.779159
Energy at 298.15K-635.781650
HF Energy-635.779159
Nuclear repulsion energy150.424922
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/6-31G*
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' 3479 3126 0.17      
2 A' 3379 3036 2.19      
3 A' 1901 1708 171.01      
4 A' 1550 1393 6.72      
5 A' 1341 1205 210.83      
6 A' 1060 953 43.47      
7 A' 762 685 52.68      
8 A' 468 420 2.01      
9 A' 402 361 0.16      
10 A" 1019 915 76.00      
11 A" 805 723 1.05      
12 A" 589 529 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8377.1 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 7526.9 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/6-31G*
ABC
0.36451 0.17078 0.11630

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.455 0.000
C2 0.989 1.310 0.000
F3 -1.262 0.825 0.000
Cl4 0.156 -1.256 0.000
H5 0.776 2.361 0.000
H6 2.006 0.977 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.30691.31551.71872.05792.0726
C21.30692.30262.69811.07261.0703
F31.31552.30262.51882.55233.2717
Cl41.71872.69812.51883.67042.9001
H52.05791.07262.55233.67041.8518
H62.07261.07033.27172.90011.8518

picture of 1-chloro-1-fluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.404 C1 C2 H6 121.030
C2 C1 F3 122.820 C2 C1 Cl4 125.642
F3 C1 Cl4 111.538 H5 C2 H6 119.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 C -0.467      
3 F -0.334      
4 Cl 0.014      
5 H 0.220      
6 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.303 0.880 0.000 1.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.001 1.516 0.000
y 1.516 -27.269 0.000
z 0.000 0.000 -30.408
Traceless
 xyz
x -0.163 1.516 0.000
y 1.516 2.436 0.000
z 0.000 0.000 -2.273
Polar
3z2-r2-4.545
x2-y2-1.733
xy1.516
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.439 0.971 0.000
y 0.971 6.216 0.000
z 0.000 0.000 2.143


<r2> (average value of r2) Å2
<r2> 94.325
(<r2>)1/2 9.712