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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD(T)=FULL/6-31+G**

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(T)=FULL/6-31+G**
 hartrees
Energy at 0K-79.598430
Energy at 298.15K-79.604373
HF Energy-79.238636
Nuclear repulsion energy42.244422
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(T)=FULL/6-31+G**
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 3088 3088        
2 A1g 1473 1473        
3 A1g 1028 1028        
4 A1u 325 325        
5 A2u 3085 3085        
6 A2u 1446 1446        
7 Eg 3155 3155        
7 Eg 3155 3155        
8 Eg 1539 1539        
8 Eg 1538 1538        
9 Eg 1253 1253        
9 Eg 1253 1253        
10 Eu 3177 3177        
10 Eu 3177 3177        
11 Eu 1543 1543        
11 Eu 1542 1542        
12 Eu 835 835        
12 Eu 835 835        

Unscaled Zero Point Vibrational Energy (zpe) 16722.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16722.6 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 CCSD(T)=FULL/6-31+G**
ABC
2.69035 0.66712 0.66712

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31+G**

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.018 1.158
H4 -0.882 -0.509 1.158
H5 0.882 -0.509 1.158
H6 0.000 -1.018 -1.158
H7 -0.882 0.509 -1.158
H8 0.882 0.509 -1.158

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52891.09141.09141.09142.17552.17552.1755
C21.52892.17552.17552.17551.09141.09141.0914
H31.09142.17551.76311.76313.08382.53012.5301
H41.09142.17551.76311.76312.53012.53013.0838
H51.09142.17551.76311.76312.53013.08382.5301
H62.17551.09143.08382.53012.53011.76311.7631
H72.17551.09142.53012.53013.08381.76311.7631
H82.17551.09142.53013.08382.53011.76311.7631

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.144 C1 C2 H7 111.144
C1 C2 H8 111.144 C2 C1 H3 111.144
C2 C1 H4 111.144 C2 C1 H5 111.144
H3 C1 H4 107.748 H3 C1 H5 107.748
H4 C1 H5 107.748 H6 C2 H7 107.748
H6 C2 H8 107.748 H7 C2 H8 107.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability