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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at CBS-Q
 hartrees
Energy at 0K-2834.571531
Energy at 298.15K-2834.561542
HF Energy-2832.559007
Nuclear repulsion energy1017.916514
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1g 1096 1096 0.00 8.97 0.39 0.57
2 A1g 470 470 0.00 24.98 0.04 0.08
3 A1g 242 242 0.00 1.70 0.60 0.75
4 A1u 93 93 0.00 0.00 0.00 0.00
5 A2u 752 752 68.34 0.00 0.00 0.00
6 A2u 413 413 1.28 0.00 0.00 0.00
7 Eg 983 983 0.00 24.13 0.75 0.86
7 Eg 983 983 0.00 24.13 0.75 0.86
8 Eg 371 371 0.00 9.24 0.75 0.86
8 Eg 371 371 0.00 9.24 0.75 0.86
9 Eg 246 246 0.00 3.83 0.75 0.86
9 Eg 246 246 0.00 3.83 0.75 0.86
10 Eu 885 885 213.96 0.00 0.00 0.00
10 Eu 885 885 213.96 0.00 0.00 0.00
11 Eu 306 306 0.10 0.00 0.00 0.00
11 Eu 306 306 0.10 0.00 0.00 0.00
12 Eu 181 181 0.23 0.00 0.00 0.00
12 Eu 181 181 0.23 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4505.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4505.1 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 CBS-Q
ABC
0.02886 0.02374 0.02374

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.792
C2 0.000 0.000 -0.792
Cl3 0.000 1.664 1.401
Cl4 -1.441 -0.832 1.401
Cl5 1.441 -0.832 1.401
Cl6 0.000 -1.664 -1.401
Cl7 -1.441 0.832 -1.401
Cl8 1.441 0.832 -1.401

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.58491.77151.77151.77152.75322.75322.7532
C21.58492.75322.75322.75321.77151.77151.7715
Cl31.77152.75322.88142.88144.35033.25923.2592
Cl41.77152.75322.88142.88143.25923.25924.3503
Cl51.77152.75322.88142.88143.25924.35033.2592
Cl62.75321.77154.35033.25923.25922.88142.8814
Cl72.75321.77153.25923.25924.35032.88142.8814
Cl82.75321.77153.25924.35033.25922.88142.8814

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 110.104 C1 C2 Cl7 110.104
C1 C2 Cl8 110.104 C2 C1 Cl3 110.104
C2 C1 Cl4 110.104 C2 C1 Cl5 110.104
Cl3 C1 Cl4 108.831 Cl3 C1 Cl5 108.831
Cl4 C1 Cl5 108.831 Cl6 C2 Cl7 108.831
Cl6 C2 Cl8 108.831 Cl7 C2 Cl8 108.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability