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All results from a given calculation for CHClCCl2 (Trichloroethylene)

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1456.813469
Energy at 298.15K-1456.814460
Nuclear repulsion energy316.330847
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/cc-pVTZ
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' 3155 3133 12.25      
2 A' 1589 1578 13.25      
3 A' 1219 1210 8.33      
4 A' 891 885 100.64      
5 A' 822 816 120.65      
6 A' 618 614 13.90      
7 A' 377 375 0.15      
8 A' 268 266 0.23      
9 A' 163 162 0.74      
10 A" 763 758 24.57      
11 A" 457 454 3.78      
12 A" 199 198 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 5260.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 5224.6 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 PBEPBE/cc-pVTZ
ABC
0.12876 0.05032 0.03618

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.039 -0.404 0.000
C2 0.000 0.443 0.000
H3 -2.061 -0.033 0.000
Cl4 -0.884 -2.118 0.000
Cl5 -0.277 2.155 0.000
Cl6 1.649 -0.049 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.34041.08711.72112.67002.7119
C21.34042.11532.70871.73481.7209
H31.08712.11532.39462.82303.7105
Cl41.72112.70872.39464.31583.2706
Cl52.67001.73482.82304.31582.9271
Cl62.71191.72093.71053.27062.9271

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 119.963 C1 C2 Cl6 124.251
C2 C1 H3 120.887 C2 C1 Cl4 123.969
H3 C1 Cl4 115.144 Cl5 C2 Cl6 115.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.068      
2 C 0.022      
3 H 0.151      
4 Cl -0.041      
5 Cl -0.039      
6 Cl -0.025      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.738 0.249 0.000 0.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.127 -0.931 0.000
y -0.931 -48.945 0.000
z 0.000 0.000 -49.734
Traceless
 xyz
x 3.212 -0.931 0.000
y -0.931 -1.015 0.000
z 0.000 0.000 -2.197
Polar
3z2-r2-4.395
x2-y22.818
xy-0.931
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.587 0.779 0.000
y 0.779 12.569 0.000
z 0.000 0.000 4.990


<r2> (average value of r2) Å2
<r2> 259.100
(<r2>)1/2 16.097