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All results from a given calculation for C2H6 (Ethane)

using model chemistry: HF/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at HF/6-311+G(3df,2pd)
 hartrees
Energy at 0K-79.258739
Energy at 298.15K-79.264740
HF Energy-79.258739
Nuclear repulsion energy42.459057
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 HF/6-311+G(3df,2pd)
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 3157 2860 0.00      
2 A1g 1549 1403 0.00      
3 A1g 1049 951 0.00      
4 A1u 328 297 0.00      
5 A2u 3150 2853 71.22      
6 A2u 1522 1379 0.47      
7 Eg 3193 2893 0.00      
7 Eg 3193 2893 0.00      
8 Eg 1615 1463 0.00      
8 Eg 1615 1463 0.00      
9 Eg 1323 1199 0.00      
9 Eg 1323 1199 0.00      
10 Eu 3221 2918 97.06      
10 Eu 3221 2918 97.06      
11 Eu 1619 1467 7.83      
11 Eu 1619 1467 7.83      
12 Eu 881 798 2.37      
12 Eu 881 798 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 17228.8 cm-1
Scaled (by 0.906) Zero Point Vibrational Energy (zpe) 15609.3 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 HF/6-311+G(3df,2pd)
ABC
2.73030 0.67199 0.67199

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2pd)

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.762
C2 0.000 0.000 -0.762
H3 0.000 1.010 1.154
H4 -0.875 -0.505 1.154
H5 0.875 -0.505 1.154
H6 0.000 -1.010 -1.154
H7 -0.875 0.505 -1.154
H8 0.875 0.505 -1.154

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52461.08381.08381.08382.16642.16642.1664
C21.52462.16642.16642.16641.08381.08381.0838
H31.08382.16641.75021.75023.06782.51962.5196
H41.08382.16641.75021.75022.51962.51963.0678
H51.08382.16641.75021.75022.51963.06782.5196
H62.16641.08383.06782.51962.51961.75021.7502
H72.16641.08382.51962.51963.06781.75021.7502
H82.16641.08382.51963.06782.51961.75021.7502

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.190 C1 C2 H7 111.190
C1 C2 H8 111.190 C2 C1 H3 111.190
C2 C1 H4 111.190 C2 C1 H5 111.190
H3 C1 H4 107.699 H3 C1 H5 107.699
H4 C1 H5 107.699 H6 C2 H7 107.699
H6 C2 H8 107.699 H7 C2 H8 107.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.064      
2 C -0.064      
3 H 0.021      
4 H 0.021      
5 H 0.021      
6 H 0.021      
7 H 0.021      
8 H 0.021      


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 -14.908 0.000 0.000
y 0.000 -14.908 0.000
z 0.000 0.000 -15.589
Traceless
 xyz
x 0.341 0.000 0.000
y 0.000 0.341 0.000
z 0.000 0.000 -0.681
Polar
3z2-r2-1.362
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 3.760 0.000 0.000
y 0.000 3.760 0.000
z 0.000 0.000 4.221


<r2> (average value of r2) Å2
<r2> 30.543
(<r2>)1/2 5.527