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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP=FULL/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-79.730978
Energy at 298.15K-79.736890
HF Energy-79.626155
Nuclear repulsion energy42.063786
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/aug-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 3057 2940 0.00 343.49 0.00 0.01
2 A1g 1416 1362 0.00 0.09 0.09 0.16
3 A1g 1018 979 0.00 14.00 0.18 0.31
4 A1u 314 302 0.00 0.00 0.00 0.00
5 A2u 3054 2938 59.54 0.00 0.00 0.00
6 A2u 1389 1336 0.64 0.00 0.00 0.00
7 Eg 3117 2998 0.00 122.41 0.75 0.86
7 Eg 3117 2998 0.00 122.41 0.75 0.86
8 Eg 1489 1432 0.00 9.04 0.75 0.86
8 Eg 1489 1432 0.00 9.04 0.75 0.86
9 Eg 1215 1169 0.00 0.07 0.75 0.86
9 Eg 1215 1169 0.00 0.07 0.75 0.86
10 Eu 3139 3019 65.31 0.00 0.00 0.00
10 Eu 3139 3019 65.31 0.00 0.00 0.00
11 Eu 1491 1434 8.03 0.00 0.75 0.00
11 Eu 1491 1434 8.03 0.00 0.75 0.86
12 Eu 819 787 2.92 0.00 0.00 0.00
12 Eu 819 787 2.92 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16393.5 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 15767.2 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/aug-cc-pVDZ
ABC
2.65868 0.66351 0.66351

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-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 1.024 1.163
H4 -0.887 -0.512 1.163
H5 0.887 -0.512 1.163
H6 0.000 -1.024 -1.163
H7 -0.887 0.512 -1.163
H8 0.887 0.512 -1.163

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53051.09861.09861.09862.18352.18352.1835
C21.53052.18352.18352.18351.09861.09861.0986
H31.09862.18351.77361.77363.09952.54192.5419
H41.09862.18351.77361.77362.54192.54193.0995
H51.09862.18351.77361.77362.54193.09952.5419
H62.18351.09863.09952.54192.54191.77361.7736
H72.18351.09862.54192.54193.09951.77361.7736
H82.18351.09862.54193.09952.54191.77361.7736

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.240 C1 C2 H7 111.240
C1 C2 H8 111.240 C2 C1 H3 111.240
C2 C1 H4 111.240 C2 C1 H5 111.240
H3 C1 H4 107.646 H3 C1 H5 107.646
H4 C1 H5 107.646 H6 C2 H7 107.646
H6 C2 H8 107.646 H7 C2 H8 107.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability