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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-79.785480
Energy at 298.15K-79.791352
HF Energy-79.785480
Nuclear repulsion energy41.927510
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 B97D3/aug-cc-pVDZ
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 2979 2979 0.00 361.32 0.00 0.01
2 A1g 1377 1377 0.00 0.00 0.09 0.17
3 A1g 988 988 0.00 12.56 0.18 0.30
4 A1u 306 306 0.00 0.00 0.00 0.00
5 A2u 2978 2978 74.65 0.00 0.00 0.00
6 A2u 1352 1352 0.21 0.00 0.00 0.00
7 Eg 3038 3038 0.00 133.94 0.75 0.86
7 Eg 3038 3038 0.00 133.92 0.75 0.86
8 Eg 1449 1449 0.00 8.85 0.75 0.86
8 Eg 1449 1449 0.00 8.85 0.75 0.86
9 Eg 1182 1182 0.00 0.12 0.75 0.86
9 Eg 1182 1182 0.00 0.12 0.75 0.86
10 Eu 3063 3063 80.46 0.00 0.00 0.00
10 Eu 3063 3063 80.46 0.00 0.00 0.00
11 Eu 1451 1451 7.24 0.00 0.00 0.00
11 Eu 1451 1451 7.23 0.00 0.00 0.00
12 Eu 804 804 3.08 0.00 0.00 0.00
12 Eu 804 804 3.08 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 15976.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15976.9 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 B97D3/aug-cc-pVDZ
ABC
2.63875 0.65984 0.65984

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.767
C2 0.000 0.000 -0.767
H3 0.000 1.028 1.167
H4 -0.890 -0.514 1.167
H5 0.890 -0.514 1.167
H6 0.000 -1.028 -1.167
H7 -0.890 0.514 -1.167
H8 0.890 0.514 -1.167

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53391.10301.10301.10302.19022.19022.1902
C21.53392.19022.19022.19021.10301.10301.1030
H31.10302.19021.78031.78033.11042.55062.5506
H41.10302.19021.78031.78032.55062.55063.1104
H51.10302.19021.78031.78032.55063.11042.5506
H62.19021.10303.11042.55062.55061.78031.7803
H72.19021.10302.55062.55063.11041.78031.7803
H82.19021.10302.55063.11042.55061.78031.7803

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.274 C1 C2 H7 111.274
C1 C2 H8 111.274 C2 C1 H3 111.274
C2 C1 H4 111.274 C2 C1 H5 111.274
H3 C1 H4 107.609 H3 C1 H5 107.609
H4 C1 H5 107.609 H6 C2 H7 107.609
H6 C2 H8 107.609 H7 C2 H8 107.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.593      
2 C 0.593      
3 H -0.198      
4 H -0.198      
5 H -0.198      
6 H -0.198      
7 H -0.198      
8 H -0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.042 0.000 0.000
y 0.000 -15.042 0.000
z 0.000 0.000 -15.777
Traceless
 xyz
x 0.367 0.000 0.000
y 0.000 0.367 0.000
z 0.000 0.000 -0.734
Polar
3z2-r2-1.469
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.248 0.000 0.000
y 0.000 4.248 0.000
z 0.000 0.000 4.875


<r2> (average value of r2) Å2
<r2> 31.119
(<r2>)1/2 5.578