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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP2=FULL/CEP-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 MP2=FULL/CEP-31G*
 hartrees
Energy at 0K-14.715221
Energy at 298.15K-14.721138
HF Energy-14.465002
Nuclear repulsion energy26.257101
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 MP2=FULL/CEP-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 3095 2917 0.00      
2 A1g 1463 1379 0.00      
3 A1g 1035 976 0.00      
4 A1u 319 301 0.00      
5 A2u 3092 2915 63.96      
6 A2u 1425 1344 2.30      
7 Eg 3173 2992 0.00      
7 Eg 3173 2992 0.00      
8 Eg 1528 1441 0.00      
8 Eg 1528 1441 0.00      
9 Eg 1238 1167 0.00      
9 Eg 1238 1167 0.00      
10 Eu 3194 3011 90.60      
10 Eu 3194 3011 90.60      
11 Eu 1529 1441 11.05      
11 Eu 1529 1441 11.05      
12 Eu 829 781 6.46      
12 Eu 829 781 6.46      

Unscaled Zero Point Vibrational Energy (zpe) 16705.9 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 15748.6 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 MP2=FULL/CEP-31G*
ABC
2.62040 0.65090 0.65090

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/CEP-31G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.775
C2 0.000 0.000 -0.775
H3 0.000 1.031 1.170
H4 -0.893 -0.516 1.170
H5 0.893 -0.516 1.170
H6 0.000 -1.031 -1.170
H7 -0.893 0.516 -1.170
H8 0.893 0.516 -1.170

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.54911.10481.10481.10482.20162.20162.2016
C21.54912.20162.20162.20161.10481.10481.1048
H31.10482.20161.78651.78653.12012.55802.5580
H41.10482.20161.78651.78652.55802.55803.1201
H51.10482.20161.78651.78652.55803.12012.5580
H62.20161.10483.12012.55802.55801.78651.7865
H72.20161.10482.55802.55803.12011.78651.7865
H82.20161.10482.55803.12012.55801.78651.7865

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.996 C1 C2 H7 110.996
C1 C2 H8 110.996 C2 C1 H3 110.996
C2 C1 H4 110.996 C2 C1 H5 110.996
H3 C1 H4 107.904 H3 C1 H5 107.904
H4 C1 H5 107.904 H6 C2 H7 107.904
H6 C2 H8 107.904 H7 C2 H8 107.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability