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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP3/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 MP3/aug-cc-pVDZ
 hartrees
Energy at 0K-79.583647
Energy at 298.15K-79.589565
HF Energy-79.236736
Nuclear repulsion energy41.908508
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 MP3/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 3066 3066 0.00      
2 A1g 1424 1424 0.00      
3 A1g 1025 1025 0.00      
4 A1u 317 317 0.00      
5 A2u 3062 3062 56.08      
6 A2u 1394 1394 0.28      
7 Eg 3129 3129 0.00      
7 Eg 3129 3129 0.00      
8 Eg 1497 1497 0.00      
8 Eg 1497 1497 0.00      
9 Eg 1219 1219 0.00      
9 Eg 1219 1219 0.00      
10 Eu 3150 3150 65.20      
10 Eu 3150 3150 65.20      
11 Eu 1498 1498 6.98      
11 Eu 1498 1498 6.98      
12 Eu 818 818 2.24      
12 Eu 818 818 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 16454.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16454.5 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 MP3/aug-cc-pVDZ
ABC
2.63803 0.65842 0.65842

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/aug-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 1.028 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
C11.53751.10221.10221.10222.19112.19112.1911
C21.53752.19112.19112.19111.10221.10221.1022
H31.10222.19111.78051.78053.10942.54912.5491
H41.10222.19111.78051.78052.54912.54913.1094
H51.10222.19111.78051.78052.54913.10942.5491
H62.19111.10223.10942.54912.54911.78051.7805
H72.19111.10222.54912.54913.10941.78051.7805
H82.19111.10222.54913.10942.54911.78051.7805

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.144 C1 C2 H7 111.144
C1 C2 H8 111.144 C2 C1 H3 111.144
C2 C1 H4 111.144 C2 C1 H5 111.144
H3 C1 H4 107.748 H3 C1 H5 107.748
H4 C1 H5 107.748 H6 C2 H7 107.748
H6 C2 H8 107.748 H7 C2 H8 107.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability