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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-2833.986086
Energy at 298.15K 
HF Energy-2832.590565
Nuclear repulsion energy1024.292678
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 MP2/6-31G(2df,p)
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 1011 955 0.00 2.22 0.28 0.44
2 A1g 450 425 0.00 19.17 0.03 0.06
3 A1g 228 215 0.00 1.04 0.56 0.72
4 A1u 90 85 0.00 0.00 0.00 0.00
5 A2u 704 665 46.52 0.00 0.00 0.00
6 A2u 389 367 0.86 0.00 0.00 0.00
7 Eg 894 845 0.00 7.52 0.75 0.86
7 Eg 894 845 0.00 7.52 0.75 0.86
8 Eg 353 333 0.00 5.30 0.75 0.86
8 Eg 353 333 0.00 5.30 0.75 0.86
9 Eg 230 217 0.00 2.78 0.75 0.86
9 Eg 230 217 0.00 2.78 0.75 0.86
10 Eu 831 785 188.55 0.00 0.00 0.00
10 Eu 831 785 188.55 0.00 0.00 0.00
11 Eu 284 268 0.01 0.00 0.00 0.00
11 Eu 284 268 0.01 0.00 0.00 0.00
12 Eu 169 160 0.11 0.00 0.00 0.00
12 Eu 169 160 0.11 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4196.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 3963.5 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 MP2/6-31G(2df,p)
ABC
0.02905 0.02399 0.02399

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.789
C2 0.000 0.000 -0.789
Cl3 0.000 1.663 1.377
Cl4 -1.440 -0.832 1.377
Cl5 1.440 -0.832 1.377
Cl6 0.000 -1.663 -1.377
Cl7 -1.440 0.832 -1.377
Cl8 1.440 0.832 -1.377

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57731.76411.76411.76412.73042.73042.7304
C21.57732.73042.73042.73041.76411.76411.7641
Cl31.76412.73042.88072.88074.31823.21683.2168
Cl41.76412.73042.88072.88073.21683.21684.3182
Cl51.76412.73042.88072.88073.21684.31823.2168
Cl62.73041.76414.31823.21683.21682.88072.8807
Cl72.73041.76413.21683.21684.31822.88072.8807
Cl82.73041.76413.21684.31823.21682.88072.8807

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.473 C1 C2 Cl7 109.473
C1 C2 Cl8 109.473 C2 C1 Cl3 109.473
C2 C1 Cl4 109.473 C2 C1 Cl5 109.473
Cl3 C1 Cl4 109.469 Cl3 C1 Cl5 109.469
Cl4 C1 Cl5 109.469 Cl6 C2 Cl7 109.469
Cl6 C2 Cl8 109.469 Cl7 C2 Cl8 109.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability