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All results from a given calculation for C2H6 (Ethane)

using model chemistry: PBE1PBE/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at PBE1PBE/LANL2DZ
 hartrees
Energy at 0K-79.710311
Energy at 298.15K-79.716222
HF Energy-79.710311
Nuclear repulsion energy42.064798
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 PBE1PBE/LANL2DZ
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 3069 3069 0.00      
2 A1g 1448 1448 0.00      
3 A1g 1044 1044 0.00      
4 A1u 301 301 0.00      
5 A2u 3063 3063 73.10      
6 A2u 1440 1440 20.00      
7 Eg 3149 3149 0.00      
7 Eg 3149 3149 0.00      
8 Eg 1535 1535 0.00      
8 Eg 1535 1535 0.00      
9 Eg 1237 1237 0.00      
9 Eg 1237 1237 0.00      
10 Eu 3176 3176 93.54      
10 Eu 3176 3176 93.56      
11 Eu 1535 1535 20.97      
11 Eu 1535 1535 20.97      
12 Eu 844 844 12.34      
12 Eu 844 844 12.34      

Unscaled Zero Point Vibrational Energy (zpe) 16658.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16658.0 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 PBE1PBE/LANL2DZ
ABC
2.66664 0.66195 0.66195

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/LANL2DZ

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 1.022 1.163
H4 -0.885 -0.511 1.163
H5 0.885 -0.511 1.163
H6 0.000 -1.022 -1.163
H7 -0.885 0.511 -1.163
H8 0.885 0.511 -1.163

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53411.09661.09661.09662.18462.18462.1846
C21.53412.18462.18462.18461.09661.09661.0966
H31.09662.18461.77101.77103.09782.54172.5417
H41.09662.18461.77101.77102.54172.54173.0978
H51.09662.18461.77101.77102.54173.09782.5417
H62.18461.09663.09782.54172.54171.77101.7710
H72.18461.09662.54172.54173.09781.77101.7710
H82.18461.09662.54173.09782.54171.77101.7710

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.194 C1 C2 H7 111.194
C1 C2 H8 111.194 C2 C1 H3 111.194
C2 C1 H4 111.194 C2 C1 H5 111.194
H3 C1 H4 107.694 H3 C1 H5 107.694
H4 C1 H5 107.694 H6 C2 H7 107.694
H6 C2 H8 107.694 H7 C2 H8 107.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.632      
2 C -0.632      
3 H 0.211      
4 H 0.211      
5 H 0.211      
6 H 0.211      
7 H 0.211      
8 H 0.211      


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 -14.579 0.000 0.000
y 0.000 -14.579 0.000
z 0.000 0.000 -15.077
Traceless
 xyz
x 0.249 0.000 0.000
y 0.000 0.249 0.000
z 0.000 0.000 -0.498
Polar
3z2-r2-0.997
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 3.204 0.000 0.000
y 0.000 3.204 0.000
z 0.000 0.000 3.411


<r2> (average value of r2) Å2
<r2> 30.664
(<r2>)1/2 5.538