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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP4=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at MP4=FULL/6-31G
 hartrees
Energy at 0K-79.420668
Energy at 298.15K-79.426612
HF Energy-79.195997
Nuclear repulsion energy41.757508
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 MP4=FULL/6-31G
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 3013 3013        
2 A1g 1478 1478        
3 A1g 1005 1005        
4 A1u 318 318        
5 A2u 3009 3009        
6 A2u 1475 1475        
7 Eg 3072 3072        
7 Eg 3072 3072        
8 Eg 1552 1552        
8 Eg 1552 1552        
9 Eg 1272 1272        
9 Eg 1272 1272        
10 Eu 3096 3096        
10 Eu 3096 3096        
11 Eu 1558 1558        
11 Eu 1557 1557        
12 Eu 851 851        
12 Eu 850 850        

Unscaled Zero Point Vibrational Energy (zpe) 16547.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16547.4 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 MP4=FULL/6-31G
ABC
2.63215 0.65122 0.65122

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.774
C2 0.000 0.000 -0.774
H3 0.000 1.029 1.171
H4 -0.891 -0.515 1.171
H5 0.891 -0.515 1.171
H6 0.000 -1.029 -1.171
H7 -0.891 0.515 -1.171
H8 0.891 0.515 -1.171

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.54871.10301.10301.10302.20092.20092.2009
C21.54872.20092.20092.20091.10301.10301.1030
H31.10302.20091.78251.78253.11822.55842.5584
H41.10302.20091.78251.78252.55842.55843.1182
H51.10302.20091.78251.78252.55843.11822.5584
H62.20091.10303.11822.55842.55841.78251.7825
H72.20091.10302.55842.55843.11821.78251.7825
H82.20091.10302.55843.11822.55841.78251.7825

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.086 C1 C2 H7 111.086
C1 C2 H8 111.086 C2 C1 H3 111.086
C2 C1 H4 111.086 C2 C1 H5 111.086
H3 C1 H4 107.810 H3 C1 H5 107.810
H4 C1 H5 107.810 H6 C2 H7 107.810
H6 C2 H8 107.810 H7 C2 H8 107.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability