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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP3=FULL/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=FULL/cc-pVDZ
 hartrees
Energy at 0K-79.575022
Energy at 298.15K-79.580961
HF Energy-79.234543
Nuclear repulsion energy41.960503
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=FULL/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 3094 2909 0.00      
2 A1g 1442 1356 0.00      
3 A1g 1039 977 0.00      
4 A1u 329 309 0.00      
5 A2u 3090 2905 53.98      
6 A2u 1409 1325 0.03      
7 Eg 3164 2975 0.00      
7 Eg 3164 2975 0.00      
8 Eg 1507 1417 0.00      
8 Eg 1507 1417 0.00      
9 Eg 1229 1156 0.00      
9 Eg 1229 1156 0.00      
10 Eu 3185 2995 59.62      
10 Eu 3185 2995 59.63      
11 Eu 1510 1420 6.94      
11 Eu 1510 1420 6.94      
12 Eu 826 777 2.97      
12 Eu 826 777 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 16622.6 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 15630.3 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=FULL/cc-pVDZ
ABC
2.63977 0.66126 0.66126

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.766
C2 0.000 0.000 -0.766
H3 0.000 1.028 1.165
H4 -0.890 -0.514 1.165
H5 0.890 -0.514 1.165
H6 0.000 -1.028 -1.165
H7 -0.890 0.514 -1.165
H8 0.890 0.514 -1.165

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53231.10251.10251.10252.18792.18792.1879
C21.53232.18792.18792.18791.10251.10251.1025
H31.10252.18791.78001.78003.10752.54722.5472
H41.10252.18791.78001.78002.54722.54723.1075
H51.10252.18791.78001.78002.54723.10752.5472
H62.18791.10253.10752.54722.54721.78001.7800
H72.18791.10252.54722.54723.10751.78001.7800
H82.18791.10252.54723.10752.54721.78001.7800

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.229 C1 C2 H7 111.229
C1 C2 H8 111.229 C2 C1 H3 111.229
C2 C1 H4 111.229 C2 C1 H5 111.229
H3 C1 H4 107.658 H3 C1 H5 107.658
H4 C1 H5 107.658 H6 C2 H7 107.658
H6 C2 H8 107.658 H7 C2 H8 107.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability