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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: mPW1PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-2837.631099
Energy at 298.15K 
HF Energy-2837.631099
Nuclear repulsion energy1021.607658
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-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 A1g 987 946 0.00 4.61 0.26 0.42
2 A1g 442 423 0.00 28.93 0.01 0.03
3 A1g 221 212 0.00 1.24 0.30 0.46
4 A1u 82 79 0.00 0.00 0.00 0.00
5 A2u 694 665 51.30 0.00 0.00 0.00
6 A2u 382 366 0.65 0.00 0.00 0.00
7 Eg 857 821 0.00 12.35 0.75 0.86
7 Eg 857 821 0.00 12.45 0.75 0.86
8 Eg 343 329 0.00 5.32 0.75 0.86
8 Eg 343 329 0.00 5.35 0.75 0.86
9 Eg 223 213 0.00 2.29 0.75 0.86
9 Eg 223 213 0.00 2.29 0.75 0.86
10 Eu 787 754 203.62 0.00 0.00 0.00
10 Eu 787 754 203.64 0.00 0.00 0.00
11 Eu 278 266 0.02 0.00 0.00 0.00
11 Eu 278 266 0.02 0.00 0.00 0.00
12 Eu 163 156 0.06 0.00 0.00 0.00
12 Eu 163 156 0.06 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4053.7 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 3883.8 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 mPW1PW91/aug-cc-pVTZ
ABC
0.02900 0.02380 0.02380

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.788
C2 0.000 0.000 -0.788
Cl3 0.000 1.664 1.385
Cl4 -1.441 -0.832 1.385
Cl5 1.441 -0.832 1.385
Cl6 0.000 -1.664 -1.385
Cl7 -1.441 0.832 -1.385
Cl8 1.441 0.832 -1.385

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57561.76851.76851.76852.73742.73742.7374
C21.57562.73742.73742.73741.76851.76851.7685
Cl31.76852.73742.88302.88304.33123.23233.2323
Cl41.76852.73742.88302.88303.23233.23234.3312
Cl51.76852.73742.88302.88303.23234.33123.2323
Cl62.73741.76854.33123.23233.23232.88302.8830
Cl72.73741.76853.23233.23234.33122.88302.8830
Cl82.73741.76853.23234.33123.23232.88302.8830

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.750 C1 C2 Cl7 109.750
C1 C2 Cl8 109.750 C2 C1 Cl3 109.750
C2 C1 Cl4 109.750 C2 C1 Cl5 109.750
Cl3 C1 Cl4 109.191 Cl3 C1 Cl5 109.191
Cl4 C1 Cl5 109.191 Cl6 C2 Cl7 109.191
Cl6 C2 Cl8 109.191 Cl7 C2 Cl8 109.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.840      
2 C 0.840      
3 Cl -0.280      
4 Cl -0.280      
5 Cl -0.280      
6 Cl -0.280      
7 Cl -0.280      
8 Cl -0.280      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -83.972 0.000 0.000
y 0.000 -83.972 0.000
z 0.000 0.000 -86.145
Traceless
 xyz
x 1.086 0.000 0.000
y 0.000 1.086 0.000
z 0.000 0.000 -2.172
Polar
3z2-r2-4.345
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 16.033 0.000 0.000
y 0.000 16.033 -0.001
z 0.000 -0.001 15.069


<r2> (average value of r2) Å2
<r2> 538.717
(<r2>)1/2 23.210