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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-637.036048
Energy at 298.15K-637.038248
HF Energy-637.036048
Nuclear repulsion energy148.648283
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 PBEPBE/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' 3239 3206 0.34      
2 A' 3131 3099 4.38      
3 A' 1678 1661 142.76      
4 A' 1358 1344 4.40      
5 A' 1170 1158 180.51      
6 A' 937 927 24.72      
7 A' 672 665 47.93      
8 A' 421 416 0.70      
9 A' 359 356 0.14      
10 A" 794 785 54.06      
11 A" 697 690 0.14      
12 A" 527 522 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 7491.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 7414.1 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 PBEPBE/6-31G(2df,p)
ABC
0.35145 0.16814 0.11373

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.462 0.000
C2 -1.036 1.300 0.000
F3 1.268 0.855 0.000
Cl4 -0.134 -1.269 0.000
H5 -0.855 2.375 0.000
H6 -2.055 0.923 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.33251.32711.73602.09542.1061
C21.33252.34592.72271.08991.0870
F31.32712.34592.54472.61053.3233
Cl41.73602.72272.54473.71442.9143
H52.09541.08992.61053.71441.8841
H62.10611.08703.32332.91431.8841

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 119.427 C1 C2 H6 120.694
C2 C1 F3 123.784 C2 C1 Cl4 124.552
F3 C1 Cl4 111.665 H5 C2 H6 119.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 C -0.422      
3 F -0.035      
4 Cl -0.114      
5 H 0.148      
6 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.788 0.784 0.000 1.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.236 -0.917 0.000
y -0.917 -26.977 0.000
z 0.000 0.000 -29.901
Traceless
 xyz
x 0.203 -0.917 0.000
y -0.917 2.092 0.000
z 0.000 0.000 -2.295
Polar
3z2-r2-4.589
x2-y2-1.259
xy-0.917
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.259 -0.839 0.000
y -0.839 7.091 0.000
z 0.000 0.000 2.985


<r2> (average value of r2) Å2
<r2> 95.742
(<r2>)1/2 9.785