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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-79.745457
Energy at 298.15K-79.751382
HF Energy-79.630031
Nuclear repulsion energy42.255689
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/6-31G(2df,p)
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 3075 3075 0.00 200.46 0.01 0.02
2 A1g 1442 1442 0.00 4.60 0.74 0.85
3 A1g 1020 1020 0.00 9.83 0.26 0.42
4 A1u 316 316 0.00 0.00 0.00 0.00
5 A2u 3076 3076 49.19 0.00 0.01 0.02
6 A2u 1425 1425 0.21 0.00 0.00 0.00
7 Eg 3136 3136 0.00 120.42 0.75 0.86
7 Eg 3136 3136 0.00 120.42 0.75 0.86
8 Eg 1527 1527 0.00 30.12 0.75 0.86
8 Eg 1527 1527 0.00 30.12 0.75 0.86
9 Eg 1237 1237 0.00 1.99 0.75 0.86
9 Eg 1237 1237 0.00 1.99 0.75 0.86
10 Eu 3160 3160 55.28 0.00 0.00 0.00
10 Eu 3160 3160 55.28 0.00 0.00 0.00
11 Eu 1531 1531 6.26 0.00 0.75 0.86
11 Eu 1531 1531 6.26 0.00 0.75 0.86
12 Eu 831 831 3.96 0.00 0.00 0.00
12 Eu 831 831 3.96 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16598.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16598.1 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 B2PLYP=FULL/6-31G(2df,p)
ABC
2.69509 0.66764 0.66764

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.763
C2 0.000 0.000 -0.763
H3 0.000 1.017 1.160
H4 -0.881 -0.509 1.160
H5 0.881 -0.509 1.160
H6 0.000 -1.017 -1.160
H7 -0.881 0.509 -1.160
H8 0.881 0.509 -1.160

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52681.09161.09161.09162.17562.17562.1756
C21.52682.17562.17562.17561.09161.09161.0916
H31.09162.17561.76161.76163.08532.53292.5329
H41.09162.17561.76161.76162.53292.53293.0853
H51.09162.17561.76161.76162.53293.08532.5329
H62.17561.09163.08532.53292.53291.76161.7616
H72.17561.09162.53292.53293.08531.76161.7616
H82.17561.09162.53293.08532.53291.76161.7616

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.298 C1 C2 H7 111.298
C1 C2 H8 111.298 C2 C1 H3 111.298
C2 C1 H4 111.298 C2 C1 H5 111.298
H3 C1 H4 107.584 H3 C1 H5 107.584
H4 C1 H5 107.584 H6 C2 H7 107.584
H6 C2 H8 107.584 H7 C2 H8 107.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability