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All results from a given calculation for C2H6 (Ethane)

using model chemistry: BLYP/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 BLYP/6-311+G(3df,2pd)
 hartrees
Energy at 0K-79.798652
Energy at 298.15K-79.804505
HF Energy-79.798652
Nuclear repulsion energy41.986559
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 BLYP/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 2955 2955 0.00      
2 A1g 1381 1381 0.00      
3 A1g 956 956 0.00      
4 A1u 296 296 0.00      
5 A2u 2956 2956 62.44      
6 A2u 1378 1378 0.50      
7 Eg 2996 2996 0.00      
7 Eg 2996 2996 0.00      
8 Eg 1469 1469 0.00      
8 Eg 1469 1469 0.00      
9 Eg 1189 1189 0.00      
9 Eg 1189 1189 0.00      
10 Eu 3021 3021 67.48      
10 Eu 3021 3021 67.50      
11 Eu 1472 1472 8.38      
11 Eu 1472 1472 8.38      
12 Eu 807 807 3.40      
12 Eu 807 807 3.39      

Unscaled Zero Point Vibrational Energy (zpe) 15915.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15915.3 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 BLYP/6-311+G(3df,2pd)
ABC
2.66938 0.65778 0.65778

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.770
C2 0.000 0.000 -0.770
H3 0.000 1.022 1.169
H4 -0.885 -0.511 1.169
H5 0.885 -0.511 1.169
H6 0.000 -1.022 -1.169
H7 -0.885 0.511 -1.169
H8 0.885 0.511 -1.169

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53911.09711.09711.09712.19112.19112.1911
C21.53912.19112.19112.19111.09711.09711.0971
H31.09712.19111.77001.77003.10482.55092.5509
H41.09712.19111.77001.77012.55092.55093.1048
H51.09712.19111.77001.77012.55093.10482.5509
H62.19111.09713.10482.55092.55091.77001.7700
H72.19111.09712.55092.55093.10481.77001.7701
H82.19111.09712.55093.10482.55091.77001.7701

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.330 C1 C2 H7 111.330
C1 C2 H8 111.330 C2 C1 H3 111.330
C2 C1 H4 111.330 C2 C1 H5 111.330
H3 C1 H4 107.550 H3 C1 H5 107.550
H4 C1 H5 107.550 H6 C2 H7 107.550
H6 C2 H8 107.550 H7 C2 H8 107.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.184      
2 C -0.184      
3 H 0.061      
4 H 0.061      
5 H 0.061      
6 H 0.061      
7 H 0.061      
8 H 0.061      


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 -15.233 0.000 0.000
y 0.000 -15.233 0.000
z 0.000 0.000 -15.912
Traceless
 xyz
x 0.340 0.000 0.000
y 0.000 0.340 0.000
z 0.000 0.000 -0.680
Polar
3z2-r2-1.359
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 4.118 0.000 0.000
y 0.000 4.118 0.000
z 0.000 0.000 4.734


<r2> (average value of r2) Å2
<r2> 31.222
(<r2>)1/2 5.588