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All results from a given calculation for CHClCCl2 (Trichloroethylene)

using model chemistry: B3LYP/CEP-31G*

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-31G*
 hartrees
Energy at 0K-56.632044
Energy at 298.15K-56.633000
Nuclear repulsion energy77.081787
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-31G*
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' 3232 3121 11.64      
2 A' 1647 1591 13.48      
3 A' 1256 1213 13.30      
4 A' 916 884 119.24      
5 A' 828 800 133.46      
6 A' 617 596 16.15      
7 A' 375 362 0.17      
8 A' 268 259 0.33      
9 A' 166 161 0.88      
10 A" 783 756 40.13      
11 A" 438 423 6.49      
12 A" 199 192 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 5362.2 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 5178.3 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 B3LYP/CEP-31G*
ABC
0.12470 0.04903 0.03519

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.853 -0.608 0.000
C2 0.000 0.458 0.000
H3 -1.935 -0.470 0.000
Cl4 -0.319 -2.270 0.000
Cl5 -0.656 2.088 0.000
Cl6 1.739 0.336 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.36531.09061.74572.70322.7587
C21.36532.14572.74681.75711.7436
H31.09062.14572.41882.85963.7613
Cl41.74572.74682.41884.37113.3210
Cl52.70321.75712.85964.37112.9679
Cl62.75871.74363.76133.32102.9679

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 119.408 C1 C2 Cl6 124.645
C2 C1 H3 121.383 C2 C1 Cl4 123.538
H3 C1 Cl4 115.079 Cl5 C2 Cl6 115.948
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 C 0.048      
3 H 0.315      
4 Cl -0.073      
5 Cl -0.047      
6 Cl 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.929 0.088 0.000 0.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.738 -0.406 0.000
y -0.406 -47.771 0.000
z 0.000 0.000 -48.168
Traceless
 xyz
x 4.231 -0.406 0.000
y -0.406 -1.818 0.000
z 0.000 0.000 -2.413
Polar
3z2-r2-4.827
x2-y24.033
xy-0.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.365 -0.027 -0.001
y -0.027 11.789 0.000
z -0.001 0.000 3.310


<r2> (average value of r2) Å2
<r2> 130.558
(<r2>)1/2 11.426