return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: B2PLYP=FULLultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B2PLYP=FULLultrafine/TZVP
 hartrees
Energy at 0K-2836.550371
Energy at 298.15K 
HF Energy-2836.109491
Nuclear repulsion energy1011.488929
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 B2PLYP=FULLultrafine/TZVP
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 974 974 0.00 6.04 0.14 0.24
2 A1g 431 431 0.00 23.42 0.04 0.08
3 A1g 226 226 0.00 1.80 0.60 0.75
4 A1u 85 85 0.00 0.00 0.00 0.00
5 A2u 685 685 62.99 0.00 0.00 0.00
6 A2u 379 379 0.81 0.00 0.00 0.00
7 Eg 857 857 0.00 12.98 0.75 0.86
7 Eg 857 857 0.00 12.97 0.75 0.86
8 Eg 340 340 0.00 9.95 0.75 0.86
8 Eg 340 340 0.00 9.95 0.75 0.86
9 Eg 224 224 0.00 4.48 0.75 0.86
9 Eg 224 224 0.00 4.48 0.75 0.86
10 Eu 769 769 213.84 0.00 0.00 0.00
10 Eu 769 769 213.87 0.00 0.00 0.00
11 Eu 281 281 0.00 0.00 0.00 0.00
11 Eu 281 281 0.00 0.00 0.00 0.00
12 Eu 167 167 0.28 0.00 0.00 0.00
12 Eu 167 167 0.28 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4027.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4027.5 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 B2PLYP=FULLultrafine/TZVP
ABC
0.02840 0.02335 0.02335

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/TZVP

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.790
C2 0.000 0.000 -0.790
Cl3 0.000 1.682 1.398
Cl4 -1.457 -0.841 1.398
Cl5 1.457 -0.841 1.398
Cl6 0.000 -1.682 -1.398
Cl7 -1.457 0.841 -1.398
Cl8 1.457 0.841 -1.398

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57991.78861.78861.78862.76012.76012.7601
C21.57992.76012.76012.76011.78861.78861.7886
Cl31.78862.76012.91312.91314.37463.26373.2637
Cl41.78862.76012.91312.91313.26373.26374.3746
Cl51.78862.76012.91312.91313.26374.37463.2637
Cl62.76011.78864.37463.26373.26372.91312.9131
Cl72.76011.78863.26373.26374.37462.91312.9131
Cl82.76011.78863.26374.37463.26372.91312.9131

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.890 C1 C2 Cl7 109.890
C1 C2 Cl8 109.890 C2 C1 Cl3 109.890
C2 C1 Cl4 109.890 C2 C1 Cl5 109.890
Cl3 C1 Cl4 109.049 Cl3 C1 Cl5 109.049
Cl4 C1 Cl5 109.049 Cl6 C2 Cl7 109.049
Cl6 C2 Cl8 109.049 Cl7 C2 Cl8 109.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability