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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-56.640141
Energy at 298.15K-56.641121
Nuclear repulsion energy77.345706
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
4/u)
Dep P Dep U
1 A' 3217 3119 9.44      
2 A' 1614 1564 13.27      
3 A' 1267 1228 11.48      
4 A' 915 887 113.05      
5 A' 825 800 130.95      
6 A' 617 598 15.38      
7 A' 377 365 0.11      
8 A' 269 261 0.30      
9 A' 168 163 0.84      
10 A" 779 755 32.91      
11 A" 443 429 4.15      
12 A" 199 193 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 5344.2 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 5180.7 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
0.12545 0.04926 0.03537

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 -0.850 -0.590 0.000
C2 0.000 0.451 0.000
H3 -1.924 -0.439 0.000
Cl4 -0.345 -2.262 0.000
Cl5 -0.632 2.092 0.000
Cl6 1.738 0.312 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.34411.08521.74612.69022.7406
C21.34412.12062.73501.75771.7437
H31.08522.12062.41132.84163.7388
Cl41.74612.73502.41134.36263.3112
Cl52.69021.75772.84164.36262.9640
Cl62.74061.74373.73883.31122.9640

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 119.702 C1 C2 Cl6 124.628
C2 C1 H3 121.237 C2 C1 Cl4 123.993
H3 C1 Cl4 114.770 Cl5 C2 Cl6 115.669
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 -0.246      
2 C 0.053      
3 H 0.253      
4 Cl -0.038      
5 Cl -0.025      
6 Cl 0.004      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.881 0.079 0.000 0.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.933 -0.341 0.000
y -0.341 -47.585 0.000
z 0.000 0.000 -48.149
Traceless
 xyz
x 3.934 -0.341 0.000
y -0.341 -1.544 0.000
z 0.000 0.000 -2.389
Polar
3z2-r2-4.779
x2-y23.652
xy-0.341
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.852 0.147 0.000
y 0.147 12.065 0.004
z 0.000 0.004 4.250


<r2> (average value of r2) Å2
<r2> 129.957
(<r2>)1/2 11.400