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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD=FULL/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at CCSD=FULL/SDD
 hartrees
Energy at 0K-79.445068
Energy at 298.15K-79.450974
HF Energy-79.203779
Nuclear repulsion energy41.463717
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 CCSD=FULL/SDD
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 2979 2979 0.00      
2 A1g 1450 1450 0.00      
3 A1g 989 989 0.00      
4 A1u 310 310 0.00      
5 A2u 2972 2972 72.86      
6 A2u 1444 1444 7.05      
7 Eg 3045 3045 0.00      
7 Eg 3045 3045 0.00      
8 Eg 1517 1517 0.00      
8 Eg 1517 1517 0.00      
9 Eg 1240 1240 0.00      
9 Eg 1240 1240 0.00      
10 Eu 3068 3068 106.58      
10 Eu 3068 3068 106.58      
11 Eu 1521 1521 11.23      
11 Eu 1521 1521 11.23      
12 Eu 834 834 6.32      
12 Eu 834 834 6.32      

Unscaled Zero Point Vibrational Energy (zpe) 16296.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16296.2 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 CCSD=FULL/SDD
ABC
2.60047 0.64055 0.64055

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.782
C2 0.000 0.000 -0.782
H3 0.000 1.035 1.179
H4 -0.897 -0.518 1.179
H5 0.897 -0.518 1.179
H6 0.000 -1.035 -1.179
H7 -0.897 0.518 -1.179
H8 0.897 0.518 -1.179

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.56391.10881.10881.10882.21732.21732.2173
C21.56392.21732.21732.21731.10881.10881.1088
H31.10882.21731.79341.79343.13772.57482.5748
H41.10882.21731.79341.79342.57482.57483.1378
H51.10882.21731.79341.79342.57483.13782.5748
H62.21731.10883.13772.57482.57481.79341.7934
H72.21731.10882.57482.57483.13781.79341.7934
H82.21731.10882.57483.13782.57481.79341.7934

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.966 C1 C2 H7 110.966
C1 C2 H8 110.966 C2 C1 H3 110.966
C2 C1 H4 110.966 C2 C1 H5 110.966
H3 C1 H4 107.936 H3 C1 H5 107.936
H4 C1 H5 107.936 H6 C2 H7 107.936
H6 C2 H8 107.936 H7 C2 H8 107.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability