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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-637.135813
Energy at 298.15K-637.138016
HF Energy-637.135813
Nuclear repulsion energy148.482361
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 PBEPBEultrafine/aug-cc-pVTZ
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' 3216 3180 0.44      
2 A' 3114 3079 4.48      
3 A' 1656 1637 159.91      
4 A' 1352 1337 1.33      
5 A' 1140 1128 186.71      
6 A' 921 911 44.78      
7 A' 674 666 46.17      
8 A' 420 416 0.70      
9 A' 360 356 0.01      
10 A" 806 797 56.94      
11 A" 692 684 0.04      
12 A" 519 513 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 7434.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 7351.6 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.35159 0.16758 0.11349

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.456 0.000
C2 -1.003 1.327 0.000
F3 1.289 0.830 0.000
Cl4 -0.163 -1.267 0.000
H5 -0.787 2.393 0.000
H6 -2.031 0.981 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32831.34231.73022.09102.0977
C21.32832.34492.72631.08781.0849
F31.34232.34492.55052.59843.3233
Cl41.73022.72632.55053.71272.9225
H52.09101.08782.59843.71271.8821
H62.09771.08493.32332.92251.8821

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 119.540 C1 C2 H6 120.412
C2 C1 F3 122.820 C2 C1 Cl4 125.584
F3 C1 Cl4 111.596 H5 C2 H6 120.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.483      
2 C -0.778      
3 F -0.226      
4 Cl -0.083      
5 H 0.275      
6 H 0.328      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.074 0.649 0.000 1.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.297 -1.229 0.000
y -1.229 -27.394 0.000
z 0.000 0.000 -30.768
Traceless
 xyz
x -0.217 -1.229 0.000
y -1.229 2.639 0.000
z 0.000 0.000 -2.422
Polar
3z2-r2-4.844
x2-y2-1.904
xy-1.229
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.403 -0.841 0.000
y -0.841 8.223 0.000
z 0.000 0.000 4.650


<r2> (average value of r2) Å2
<r2> 96.371
(<r2>)1/2 9.817