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All results from a given calculation for CHClCCl2 (Trichloroethylene)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-1450.323908
Energy at 298.15K-1450.324793
Nuclear repulsion energy307.467701
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/3-21G
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' 3283 3168 17.60      
2 A' 1696 1637 10.79      
3 A' 1276 1231 9.85      
4 A' 842 812 100.27      
5 A' 747 720 105.95      
6 A' 572 552 18.21      
7 A' 353 341 0.06      
8 A' 250 241 0.59      
9 A' 164 158 1.38      
10 A" 849 819 44.24      
11 A" 455 439 6.97      
12 A" 194 188 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 5340.2 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 5152.8 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/3-21G
ABC
0.12233 0.04758 0.03426

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.093 -0.296 0.000
C2 0.000 0.440 0.000
H3 -2.089 0.118 0.000
Cl4 -1.049 -2.104 0.000
Cl5 -0.118 2.248 0.000
Cl6 1.675 -0.201 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 Cl6
C11.31781.07841.80822.72452.7703
C21.31782.11332.75141.81201.7937
H31.07842.11332.45362.90143.7777
Cl41.80822.75142.45364.45023.3232
Cl52.72451.81202.90144.45023.0351
Cl62.77031.79373.77773.32323.0351

picture of Trichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.215 C1 C2 Cl6 125.130
C2 C1 H3 123.439 C2 C1 Cl4 122.544
H3 C1 Cl4 114.017 Cl5 C2 Cl6 114.655
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340     -0.115
2 C -0.450     -0.004
3 H 0.290     0.217
4 Cl 0.129     -0.057
5 Cl 0.168     -0.039
6 Cl 0.204     -0.002


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.202 0.410 0.000 1.270
CHELPG        
AIM        
ESP -1.285 0.440 0.000 1.358


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.771 -1.239 0.000
y -1.239 -51.488 0.000
z 0.000 0.000 -50.898
Traceless
 xyz
x 4.422 -1.239 0.000
y -1.239 -2.654 0.000
z 0.000 0.000 -1.768
Polar
3z2-r2-3.536
x2-y24.717
xy-1.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.484 0.669 0.000
y 0.669 10.743 0.000
z 0.000 0.000 2.099


<r2> (average value of r2) Å2
<r2> 272.776
(<r2>)1/2 16.516