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

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-637.080150
Energy at 298.15K-637.082466
HF Energy-637.080150
Nuclear repulsion energy150.073648
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 PBE1PBE/6-31G(2df,p)
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' 3325 3182 0.63      
2 A' 3214 3076 5.50      
3 A' 1756 1680 153.96      
4 A' 1404 1344 6.07      
5 A' 1231 1178 187.19      
6 A' 975 933 24.96      
7 A' 709 678 45.79      
8 A' 438 419 1.19      
9 A' 372 356 0.13      
10 A" 858 821 58.09      
11 A" 732 700 0.12      
12 A" 554 530 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 7784.0 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 7449.3 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 PBE1PBE/6-31G(2df,p)
ABC
0.35870 0.17128 0.11592

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.457 0.000
C2 -1.025 1.290 0.000
F3 1.255 0.846 0.000
Cl4 -0.133 -1.257 0.000
H5 -0.842 2.357 0.000
H6 -2.037 0.915 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32041.31391.71872.07822.0883
C21.32042.32202.69791.08271.0797
F31.31392.32202.52012.58393.2928
Cl41.71872.69792.52013.68242.8885
H52.07821.08272.58393.68241.8726
H62.08831.07973.29282.88851.8726

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 119.394 C1 C2 H6 120.608
C2 C1 F3 123.628 C2 C1 Cl4 124.663
F3 C1 Cl4 111.709 H5 C2 H6 119.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.302      
2 C -0.461      
3 F -0.082      
4 Cl -0.106      
5 H 0.170      
6 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.901 0.775 0.000 1.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.256 -1.046 0.000
y -1.046 -26.861 0.000
z 0.000 0.000 -29.877
Traceless
 xyz
x 0.113 -1.046 0.000
y -1.046 2.205 0.000
z 0.000 0.000 -2.318
Polar
3z2-r2-4.636
x2-y2-1.394
xy-1.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.098 -0.866 0.000
y -0.866 6.826 0.000
z 0.000 0.000 2.957


<r2> (average value of r2) Å2
<r2> 94.249
(<r2>)1/2 9.708