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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD=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 CCSD=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-79.595092
Energy at 298.15K-79.601009
HF Energy-79.237031
Nuclear repulsion energy41.918097
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 CCSD=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 3043 3043 0.00      
2 A1g 1425 1425 0.00      
3 A1g 1022 1022 0.00      
4 A1u 314 314 0.00      
5 A2u 3040 3040 58.79      
6 A2u 1395 1395 0.24      
7 Eg 3105 3105 0.00      
7 Eg 3105 3105 0.00      
8 Eg 1496 1496 0.00      
8 Eg 1496 1496 0.00      
9 Eg 1218 1218 0.00      
9 Eg 1218 1218 0.00      
10 Eu 3126 3126 69.99      
10 Eu 3126 3126 69.99      
11 Eu 1498 1498 6.55      
11 Eu 1498 1498 6.55      
12 Eu 818 818 2.11      
12 Eu 818 818 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 16380.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16380.9 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 CCSD=FULL/daug-cc-pVDZ
ABC
2.63793 0.65902 0.65902

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.768
C2 0.000 0.000 -0.768
H3 0.000 1.028 1.166
H4 -0.890 -0.514 1.166
H5 0.890 -0.514 1.166
H6 0.000 -1.028 -1.166
H7 -0.890 0.514 -1.166
H8 0.890 0.514 -1.166

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53641.10231.10231.10232.19052.19052.1905
C21.53642.19052.19052.19051.10231.10231.1023
H31.10232.19051.78061.78063.10912.54872.5487
H41.10232.19051.78061.78062.54872.54873.1091
H51.10232.19051.78061.78062.54873.10912.5487
H62.19051.10233.10912.54872.54871.78061.7806
H72.19051.10232.54872.54873.10911.78061.7806
H82.19051.10232.54873.10912.54871.78061.7806

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.160 C1 C2 H7 111.160
C1 C2 H8 111.160 C2 C1 H3 111.160
C2 C1 H4 111.160 C2 C1 H5 111.160
H3 C1 H4 107.731 H3 C1 H5 107.731
H4 C1 H5 107.731 H6 C2 H7 107.731
H6 C2 H8 107.731 H7 C2 H8 107.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability