return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHClCCl2 (Trichloroethylene)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-1457.289114
Energy at 298.15K-1457.290233
HF Energy-1457.289114
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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' 3285 3116 12.80      
2 A' 1706 1618 11.00      
3 A' 1301 1234 9.68      
4 A' 959 910 107.01      
5 A' 867 822 115.86      
6 A' 644 611 15.20      
7 A' 396 376 0.09      
8 A' 284 269 0.38      
9 A' 175 166 0.99      
10 A" 827 784 29.59      
11 A" 485 460 3.84      
12 A" 209 198 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 5568.5 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 5281.7 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 wB97X-D/6-31G*
ABC
0.12898 0.05050 0.03629

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.044 -0.381 0.000
C2 0.000 0.445 0.000
H3 -2.049 0.009 0.000
Cl4 -0.889 -2.098 0.000
Cl5 -0.267 2.149 0.000
Cl6 1.645 -0.074 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.33101.07871.72322.64672.7058
C21.33102.09512.69291.72501.7244
H31.07872.09512.40532.78483.6948
Cl41.72322.69292.40534.29163.2420
Cl52.64671.72502.78484.29162.9318
Cl62.70581.72443.69483.24202.9318

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 119.448 C1 C2 Cl6 124.141
C2 C1 H3 120.427 C2 C1 Cl4 123.185
H3 C1 Cl4 116.388 Cl5 C2 Cl6 116.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.258      
2 C -0.181      
3 H 0.250      
4 Cl 0.043      
5 Cl 0.061      
6 Cl 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.975 0.267 0.000 1.011
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.747 -0.925 0.000
y -0.925 -49.332 0.000
z 0.000 0.000 -49.631
Traceless
 xyz
x 3.734 -0.925 0.000
y -0.925 -1.643 0.000
z 0.000 0.000 -2.091
Polar
3z2-r2-4.183
x2-y23.584
xy-0.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.062 0.810 0.000
y 0.810 10.682 0.000
z 0.000 0.000 3.428


<r2> (average value of r2) Å2
<r2> 258.350
(<r2>)1/2 16.073