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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-635.871680
Energy at 298.15K-635.874186
HF Energy-635.871680
Nuclear repulsion energy150.440781
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/TZVP
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' 3435 3121 0.11      
2 A' 3332 3027 3.87      
3 A' 1874 1702 202.18      
4 A' 1531 1391 6.66      
5 A' 1320 1199 226.07      
6 A' 1053 957 49.38      
7 A' 751 682 55.24      
8 A' 471 428 1.59      
9 A' 403 366 0.16      
10 A" 1015 922 69.93      
11 A" 798 725 0.32      
12 A" 587 533 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 8283.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 7526.8 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/TZVP
ABC
0.36675 0.17011 0.11621

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.461 0.000
C2 -0.992 1.305 0.000
F3 1.255 0.834 0.000
Cl4 -0.150 -1.260 0.000
H5 -0.790 2.358 0.000
H6 -2.004 0.959 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.30241.30881.72782.05492.0647
C21.30242.29562.69991.07251.0695
F31.30882.29562.52112.55033.2610
Cl41.72782.69992.52113.67452.8915
H52.05491.07252.55033.67451.8529
H62.06471.06953.26102.89151.8529

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 119.514 C1 C2 H6 120.717
C2 C1 F3 123.080 C2 C1 Cl4 125.416
F3 C1 Cl4 111.505 H5 C2 H6 119.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.266      
2 C -0.255      
3 F -0.197      
4 Cl -0.092      
5 H 0.136      
6 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.397 0.849 0.000 1.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.459 -1.677 0.000
y -1.677 -27.486 0.000
z 0.000 0.000 -30.731
Traceless
 xyz
x -0.351 -1.677 0.000
y -1.677 2.609 0.000
z 0.000 0.000 -2.259
Polar
3z2-r2-4.518
x2-y2-1.973
xy-1.677
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.791 -1.028 0.000
y -1.028 6.525 0.000
z 0.000 0.000 3.049


<r2> (average value of r2) Å2
<r2> 94.569
(<r2>)1/2 9.725