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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-2834.249259
Energy at 298.15K 
HF Energy-2832.765454
Nuclear repulsion energy1025.126264
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/Def2TZVPP
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 994 946 0.00 2.83 0.41 0.58
2 A1g 446 424 0.00 18.54 0.03 0.06
3 A1g 226 215 0.00 0.93 0.54 0.70
4 A1u 88 84 0.00 0.00 0.00 0.00
5 A2u 697 664 44.17 0.00 0.00 0.00
6 A2u 386 367 0.67 0.00 0.00 0.00
7 Eg 878 836 0.00 9.52 0.75 0.86
7 Eg 878 836 0.00 9.52 0.75 0.86
8 Eg 348 332 0.00 5.76 0.75 0.86
8 Eg 348 332 0.00 5.76 0.75 0.86
9 Eg 227 216 0.00 3.06 0.75 0.86
9 Eg 227 216 0.00 3.06 0.75 0.86
10 Eu 815 776 182.44 0.00 0.31 0.00
10 Eu 815 776 182.44 0.00 0.00 0.00
11 Eu 282 268 0.00 0.00 0.00 0.00
11 Eu 282 268 0.00 0.00 0.00 0.00
12 Eu 168 159 0.10 0.00 0.00 0.00
12 Eu 168 159 0.10 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4136.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 3936.0 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/Def2TZVPP
ABC
0.02910 0.02402 0.02402

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

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 1.662 1.376
Cl4 -1.439 -0.831 1.376
Cl5 1.439 -0.831 1.376
Cl6 0.000 -1.662 -1.376
Cl7 -1.439 0.831 -1.376
Cl8 1.439 0.831 -1.376

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57591.76261.76261.76262.72832.72832.7283
C21.57592.72832.72832.72831.76261.76261.7626
Cl31.76262.72832.87802.87804.31483.21473.2147
Cl41.76262.72832.87802.87803.21473.21474.3148
Cl51.76262.72832.87802.87803.21474.31483.2147
Cl62.72831.76264.31483.21473.21472.87802.8780
Cl72.72831.76263.21473.21474.31482.87802.8780
Cl82.72831.76263.21474.31483.21472.87802.8780

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.489 C1 C2 Cl7 109.489
C1 C2 Cl8 109.489 C2 C1 Cl3 109.489
C2 C1 Cl4 109.489 C2 C1 Cl5 109.489
Cl3 C1 Cl4 109.453 Cl3 C1 Cl5 109.453
Cl4 C1 Cl5 109.453 Cl6 C2 Cl7 109.453
Cl6 C2 Cl8 109.453 Cl7 C2 Cl8 109.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability