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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCD/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 CCD/daug-cc-pVDZ
 hartrees
Energy at 0K-79.587836
Energy at 298.15K-79.593752
HF Energy-79.236966
Nuclear repulsion energy41.893489
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 CCD/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 3045 3045 0.00      
2 A1g 1424 1424 0.00      
3 A1g 1023 1023 0.00      
4 A1u 313 313 0.00      
5 A2u 3042 3042 57.26      
6 A2u 1395 1395 0.28      
7 Eg 3109 3109 0.00      
7 Eg 3109 3109 0.00      
8 Eg 1496 1496 0.00      
8 Eg 1496 1496 0.00      
9 Eg 1219 1219 0.00      
9 Eg 1219 1219 0.00      
10 Eu 3130 3130 67.56      
10 Eu 3130 3130 67.56      
11 Eu 1498 1498 6.72      
11 Eu 1498 1498 6.72      
12 Eu 818 818 2.15      
12 Eu 818 818 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 16391.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16391.1 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 CCD/daug-cc-pVDZ
ABC
2.63532 0.65818 0.65818

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.769
C2 0.000 0.000 -0.769
H3 0.000 1.029 1.167
H4 -0.891 -0.514 1.167
H5 0.891 -0.514 1.167
H6 0.000 -1.029 -1.167
H7 -0.891 0.514 -1.167
H8 0.891 0.514 -1.167

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53741.10291.10291.10292.19182.19182.1918
C21.53742.19182.19182.19181.10291.10291.1029
H31.10292.19181.78151.78153.11092.55032.5503
H41.10292.19181.78151.78152.55032.55033.1109
H51.10292.19181.78151.78152.55033.11092.5503
H62.19181.10293.11092.55032.55031.78151.7815
H72.19181.10292.55032.55033.11091.78151.7815
H82.19181.10292.55033.11092.55031.78151.7815

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.164 C1 C2 H7 111.164
C1 C2 H8 111.164 C2 C1 H3 111.164
C2 C1 H4 111.164 C2 C1 H5 111.164
H3 C1 H4 107.727 H3 C1 H5 107.727
H4 C1 H5 107.727 H6 C2 H7 107.727
H6 C2 H8 107.727 H7 C2 H8 107.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability