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All results from a given calculation for C2H6 (Ethane)

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/6-31G
 hartrees
Energy at 0K-79.423664
Energy at 298.15K-79.429597
HF Energy-79.195806
Nuclear repulsion energy41.720791
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/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1g 2998 2998        
2 A1g 1472 1472        
3 A1g 999 999        
4 A1u 314 314        
5 A2u 2994 2994        
6 A2u 1469 1469        
7 Eg 3054 3054        
7 Eg 3054 3054        
8 Eg 1546 1546        
8 Eg 1545 1545        
9 Eg 1266 1266        
9 Eg 1266 1266        
10 Eu 3078 3078        
10 Eu 3077 3077        
11 Eu 1551 1551        
11 Eu 1551 1551        
12 Eu 847 847        
12 Eu 847 847        

Unscaled Zero Point Vibrational Energy (zpe) 16463.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16463.5 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/6-31G
ABC
2.62711 0.64989 0.64989

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

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 1.030 1.172
H4 -0.892 -0.515 1.172
H5 0.892 -0.515 1.172
H6 0.000 -1.030 -1.172
H7 -0.892 0.515 -1.172
H8 0.892 0.515 -1.172

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.55031.10401.10401.10402.20312.20312.2031
C21.55032.20312.20312.20311.10401.10401.1040
H31.10402.20311.78421.78423.12112.56092.5609
H41.10402.20311.78421.78422.56092.56093.1211
H51.10402.20311.78421.78422.56093.12112.5609
H62.20311.10403.12112.56092.56091.78421.7842
H72.20311.10402.56092.56093.12111.78421.7842
H82.20311.10402.56093.12112.56091.78421.7842

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.082 C1 C2 H7 111.082
C1 C2 H8 111.082 C2 C1 H3 111.082
C2 C1 H4 111.082 C2 C1 H5 111.082
H3 C1 H4 107.814 H3 C1 H5 107.814
H4 C1 H5 107.814 H6 C2 H7 107.814
H6 C2 H8 107.814 H7 C2 H8 107.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability