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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-79.660238
Energy at 298.15K-79.666188
HF Energy-79.597611
Nuclear repulsion energy42.057208
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 B2PLYP/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 3063 3063 0.00 212.58 0.01 0.03
2 A1g 1484 1484 0.00 8.24 0.73 0.84
3 A1g 1022 1022 0.00 10.20 0.29 0.44
4 A1u 313 313 0.00 0.00 0.00 0.00
5 A2u 3061 3061 59.72 0.00 0.01 0.03
6 A2u 1484 1484 3.15 0.00 0.00 0.00
7 Eg 3123 3123 0.00 131.98 0.75 0.86
7 Eg 3123 3123 0.00 131.98 0.75 0.86
8 Eg 1566 1566 0.00 46.00 0.75 0.86
8 Eg 1566 1566 0.00 46.00 0.75 0.86
9 Eg 1274 1274 0.00 4.67 0.75 0.86
9 Eg 1274 1274 0.00 4.67 0.75 0.86
10 Eu 3148 3148 78.89 0.00 0.00 0.00
10 Eu 3148 3148 78.89 0.00 0.00 0.00
11 Eu 1571 1571 10.19 0.00 0.00 0.00
11 Eu 1571 1571 10.19 0.00 0.00 0.00
12 Eu 864 864 5.95 0.00 0.00 0.00
12 Eu 864 864 5.95 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16758.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16758.9 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 B2PLYP/6-31G
ABC
2.67237 0.66057 0.66057

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.768
C2 0.000 0.000 -0.768
H3 0.000 1.021 1.165
H4 -0.885 -0.511 1.165
H5 0.885 -0.511 1.165
H6 0.000 -1.021 -1.165
H7 -0.885 0.511 -1.165
H8 0.885 0.511 -1.165

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53651.09561.09561.09562.18612.18612.1861
C21.53652.18612.18612.18611.09561.09561.0956
H31.09562.18611.76911.76913.09802.54332.5433
H41.09562.18611.76911.76912.54332.54333.0980
H51.09562.18611.76911.76912.54333.09802.5433
H62.18611.09563.09802.54332.54331.76911.7691
H72.18611.09562.54332.54333.09801.76911.7691
H82.18611.09562.54333.09802.54331.76911.7691

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.208 C1 C2 H7 111.208
C1 C2 H8 111.208 C2 C1 H3 111.208
C2 C1 H4 111.208 C2 C1 H5 111.208
H3 C1 H4 107.680 H3 C1 H5 107.680
H4 C1 H5 107.680 H6 C2 H7 107.680
H6 C2 H8 107.680 H7 C2 H8 107.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 C -0.406      
3 H 0.135      
4 H 0.135      
5 H 0.135      
6 H 0.135      
7 H 0.135      
8 H 0.135      


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 -14.965 0.000 0.000
y 0.000 -14.965 0.000
z 0.000 0.000 -15.400
Traceless
 xyz
x 0.217 0.000 0.000
y 0.000 0.217 0.000
z 0.000 0.000 -0.435
Polar
3z2-r2-0.870
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 3.286 0.000 0.000
y 0.000 3.286 0.000
z 0.000 0.000 3.437


<r2> (average value of r2) Å2
<r2> 30.916
(<r2>)1/2 5.560