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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP4/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at MP4/aug-cc-pVQZ
 hartrees
Energy at 0K-79.700190
Energy at 298.15K 
HF Energy-79.265201
Nuclear repulsion energy42.267965
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 MP4/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP4/aug-cc-pVQZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVQZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.017 1.158
H4 -0.881 -0.509 1.158
H5 0.881 -0.509 1.158
H6 0.000 -1.017 -1.158
H7 -0.881 0.509 -1.158
H8 0.881 0.509 -1.158

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52701.09111.09111.09112.17422.17422.1742
C21.52702.17422.17422.17421.09111.09111.0911
H31.09112.17421.76191.76193.08272.52962.5296
H41.09112.17421.76191.76192.52962.52963.0827
H51.09112.17421.76191.76192.52963.08272.5296
H62.17421.09113.08272.52962.52961.76191.7619
H72.17421.09112.52962.52963.08271.76191.7619
H82.17421.09112.52963.08272.52961.76191.7619

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.199 C1 C2 H7 111.199
C1 C2 H8 111.199 C2 C1 H3 111.199
C2 C1 H4 111.199 C2 C1 H5 111.199
H3 C1 H4 107.690 H3 C1 H5 107.690
H4 C1 H5 107.690 H6 C2 H7 107.690
H6 C2 H8 107.690 H7 C2 H8 107.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability