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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP=FULL/daug-cc-pVDZ

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=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-79.731856
Energy at 298.15K-79.737768
HF Energy-79.626669
Nuclear repulsion energy42.077381
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=FULL/daug-cc-pVDZ
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 3054 3054 0.00 356.26 0.00 0.01
2 A1g 1414 1414 0.00 0.05 0.10 0.18
3 A1g 1018 1018 0.00 13.84 0.18 0.30
4 A1u 312 312 0.00 0.00 0.00 0.00
5 A2u 3053 3053 61.17 0.00 0.00 0.00
6 A2u 1387 1387 0.71 0.00 0.00 0.00
7 Eg 3115 3115 0.00 123.76 0.75 0.86
7 Eg 3115 3115 0.00 123.90 0.75 0.86
8 Eg 1491 1491 0.00 8.90 0.75 0.86
8 Eg 1490 1490 0.00 8.91 0.75 0.86
9 Eg 1214 1214 0.00 0.07 0.75 0.86
9 Eg 1214 1214 0.00 0.07 0.75 0.86
10 Eu 3137 3137 66.99 0.00 0.00 0.00
10 Eu 3137 3137 66.99 0.00 0.00 0.00
11 Eu 1492 1492 8.24 0.00 0.00 0.00
11 Eu 1492 1492 8.24 0.00 0.00 0.00
12 Eu 818 818 3.09 0.00 0.00 0.00
12 Eu 818 818 3.09 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16385.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16385.3 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=FULL/daug-cc-pVDZ
ABC
2.66178 0.66371 0.66371

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/daug-cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.765
C2 0.000 0.000 -0.765
H3 0.000 1.023 1.163
H4 -0.886 -0.512 1.163
H5 0.886 -0.512 1.163
H6 0.000 -1.023 -1.163
H7 -0.886 0.512 -1.163
H8 0.886 0.512 -1.163

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53041.09801.09801.09802.18302.18302.1830
C21.53042.18302.18302.18301.09801.09801.0980
H31.09802.18301.77261.77263.09842.54132.5413
H41.09802.18301.77261.77262.54132.54133.0984
H51.09802.18301.77261.77262.54133.09842.5413
H62.18301.09803.09842.54132.54131.77261.7726
H72.18301.09802.54132.54133.09841.77261.7726
H82.18301.09802.54133.09842.54131.77261.7726

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.244 C1 C2 H7 111.244
C1 C2 H8 111.244 C2 C1 H3 111.244
C2 C1 H4 111.244 C2 C1 H5 111.244
H3 C1 H4 107.641 H3 C1 H5 107.641
H4 C1 H5 107.641 H6 C2 H7 107.641
H6 C2 H8 107.641 H7 C2 H8 107.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability