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All results from a given calculation for CHClCCl2 (Trichloroethylene)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1457.452321
Energy at 298.15K-1457.453437
Nuclear repulsion energy317.337710
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3265 3129 15.60      
2 A' 1681 1611 11.57      
3 A' 1257 1204 9.14      
4 A' 949 909 102.00      
5 A' 865 829 108.23      
6 A' 646 619 12.44      
7 A' 393 377 0.06      
8 A' 279 267 0.25      
9 A' 170 163 0.80      
10 A" 807 773 23.11      
11 A" 472 452 4.08      
12 A" 207 198 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 5494.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 5265.6 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 mPW1PW91/aug-cc-pVDZ
ABC
0.12975 0.05063 0.03642

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.041 -0.396 0.000
C2 0.000 0.440 0.000
H3 -2.060 -0.021 0.000
Cl4 -0.891 -2.107 0.000
Cl5 -0.264 2.149 0.000
Cl6 1.643 -0.056 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.33541.08621.71752.66132.7052
C21.33542.11132.69861.72901.7162
H31.08622.11132.39162.81743.7033
Cl41.71752.69862.39164.30213.2597
Cl52.66131.72902.81744.30212.9149
Cl62.70521.71623.70333.25972.9149

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.015 C1 C2 Cl6 124.406
C2 C1 H3 121.013 C2 C1 Cl4 123.764
H3 C1 Cl4 115.223 Cl5 C2 Cl6 115.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.447      
2 C 0.184      
3 H -0.264      
4 Cl -0.128      
5 Cl -0.152      
6 Cl -0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.845 0.272 0.000 0.888
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.126 -1.064 0.000
y -1.064 -49.282 0.000
z 0.000 0.000 -50.183
Traceless
 xyz
x 3.606 -1.064 0.000
y -1.064 -1.127 0.000
z 0.000 0.000 -2.479
Polar
3z2-r2-4.958
x2-y23.156
xy-1.064
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.406 0.964 0.000
y 0.964 13.017 0.000
z 0.000 0.000 6.627


<r2> (average value of r2) Å2
<r2> 257.758
(<r2>)1/2 16.055