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All results from a given calculation for C2H6 (Ethane)

using model chemistry: MP2=FULL/Sadlej_pVTZ

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/Sadlej_pVTZ
 hartrees
Energy at 0K-79.581211
Energy at 298.15K-79.587080
HF Energy-79.244228
Nuclear repulsion energy42.023766
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/Sadlej_pVTZ
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 3048 3048 0.00      
2 A1g 1409 1409 0.00      
3 A1g 1040 1040 0.00      
4 A1u 282 282 0.00      
5 A2u 3048 3048 51.59      
6 A2u 1391 1391 0.42      
7 Eg 3134 3134 0.00      
7 Eg 3134 3134 0.00      
8 Eg 1489 1489 0.00      
8 Eg 1489 1489 0.00      
9 Eg 1194 1194 0.00      
9 Eg 1194 1194 0.00      
10 Eu 3158 3158 51.42      
10 Eu 3158 3158 51.42      
11 Eu 1495 1495 7.63      
11 Eu 1495 1495 7.63      
12 Eu 807 807 2.56      
12 Eu 807 807 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 16384.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16384.1 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 MP2=FULL/Sadlej_pVTZ
ABC
2.64399 0.66448 0.66448

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Sadlej_pVTZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.763
C2 0.000 0.000 -0.763
H3 0.000 1.027 1.165
H4 -0.889 -0.513 1.165
H5 0.889 -0.513 1.165
H6 0.000 -1.027 -1.165
H7 -0.889 0.513 -1.165
H8 0.889 0.513 -1.165

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52631.10261.10261.10262.18442.18442.1844
C21.52632.18442.18442.18441.10261.10261.1026
H31.10262.18441.77851.77853.10572.54602.5460
H41.10262.18441.77851.77852.54602.54603.1057
H51.10262.18441.77851.77852.54603.10572.5460
H62.18441.10263.10572.54602.54601.77851.7785
H72.18441.10262.54602.54603.10571.77851.7785
H82.18441.10262.54603.10572.54601.77851.7785

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.367 C1 C2 H7 111.367
C1 C2 H8 111.367 C2 C1 H3 111.367
C2 C1 H4 111.367 C2 C1 H5 111.367
H3 C1 H4 107.511 H3 C1 H5 107.511
H4 C1 H5 107.511 H6 C2 H7 107.511
H6 C2 H8 107.511 H7 C2 H8 107.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability