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All results from a given calculation for CHClCCl2 (Trichloroethylene)

using model chemistry: PBEPBE/3-21G

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/3-21G
 hartrees
Energy at 0K-1449.615518
Energy at 298.15K-1449.616334
Nuclear repulsion energy307.317646
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/3-21G
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' 3211 3182 16.48      
2 A' 1638 1623 13.32      
3 A' 1230 1219 8.57      
4 A' 826 819 115.06      
5 A' 743 736 112.89      
6 A' 567 562 18.57      
7 A' 350 346 0.15      
8 A' 247 245 0.49      
9 A' 160 159 1.23      
10 A" 791 784 47.85      
11 A" 437 433 7.35      
12 A" 189 187 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 5194.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 5147.3 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 PBEPBE/3-21G
ABC
0.12238 0.04757 0.03426

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.099 -0.306 0.000
C2 0.000 0.444 0.000
H3 -2.106 0.105 0.000
Cl4 -1.029 -2.112 0.000
Cl5 -0.134 2.248 0.000
Cl6 1.675 -0.191 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.33061.08751.80662.73102.7760
C21.33062.13262.75451.80981.7909
H31.08752.13262.46462.91213.7918
Cl41.80662.75452.46464.45093.3158
Cl52.73101.80982.91214.45093.0371
Cl62.77601.79093.79183.31583.0371

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.061 C1 C2 Cl6 124.921
C2 C1 H3 123.445 C2 C1 Cl4 122.079
H3 C1 Cl4 114.476 Cl5 C2 Cl6 115.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 C -0.484      
3 H 0.297      
4 Cl 0.145      
5 Cl 0.186      
6 Cl 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.109 0.390 0.000 1.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.523 -1.174 0.000
y -1.174 -50.888 0.000
z 0.000 0.000 -50.982
Traceless
 xyz
x 4.412 -1.174 0.000
y -1.174 -2.135 0.000
z 0.000 0.000 -2.277
Polar
3z2-r2-4.554
x2-y24.365
xy-1.174
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.654 0.618 0.000
y 0.618 11.062 0.000
z 0.000 0.000 2.156


<r2> (average value of r2) Å2
<r2> 272.665
(<r2>)1/2 16.513