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All results from a given calculation for CHClCCl2 (Trichloroethylene)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-56.565656
Energy at 298.15K-56.566570
Nuclear repulsion energy75.542465
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3219 3136 11.68      
2 A' 1627 1585 12.53      
3 A' 1260 1228 9.72      
4 A' 868 846 110.86      
5 A' 776 756 116.24      
6 A' 582 567 15.92      
7 A' 358 349 0.12      
8 A' 258 252 0.46      
9 A' 162 158 1.26      
10 A" 806 786 45.92      
11 A" 440 429 7.46      
12 A" 193 188 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 5274.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 5139.6 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 B3LYP/CEP-121G
ABC
0.11918 0.04687 0.03364

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.881 -0.569 0.000
C2 0.000 0.450 0.000
H3 -1.954 -0.411 0.000
Cl4 -0.405 -2.309 0.000
Cl5 -0.602 2.163 0.000
Cl6 1.790 0.272 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.34711.08371.80452.74592.8009
C21.34712.13512.78901.81571.7991
H31.08372.13512.44922.90763.8058
Cl41.80452.78902.44924.47663.3891
Cl52.74591.81572.90764.47663.0494
Cl62.80091.79913.80583.38913.0494

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 119.768 C1 C2 Cl6 125.193
C2 C1 H3 122.519 C2 C1 Cl4 123.847
H3 C1 Cl4 113.634 Cl5 C2 Cl6 115.039
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 C -0.341      
3 H 0.232      
4 Cl 0.077      
5 Cl 0.122      
6 Cl 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.177 0.117 0.000 1.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.837 -0.119 0.000
y -0.119 -49.920 0.000
z 0.000 0.000 -48.714
Traceless
 xyz
x 4.480 -0.119 0.000
y -0.119 -3.145 0.000
z 0.000 0.000 -1.336
Polar
3z2-r2-2.671
x2-y25.084
xy-0.119
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.417 -0.145 -0.001
y -0.145 11.891 0.001
z -0.001 0.001 2.991


<r2> (average value of r2) Å2
<r2> 135.790
(<r2>)1/2 11.653