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All results from a given calculation for C2H6 (Ethane)

using model chemistry: wB97X-D/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at wB97X-D/3-21G
 hartrees
Energy at 0K-79.373688
Energy at 298.15K-79.379632
HF Energy-79.373688
Nuclear repulsion energy42.051618
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 wB97X-D/3-21G
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 3080 3080 0.00 183.28 0.02 0.03
2 A1g 1472 1472 0.00 8.56 0.73 0.84
3 A1g 994 994 0.00 8.74 0.29 0.45
4 A1u 305 305 0.00 0.00 0.00 0.00
5 A2u 3079 3079 41.54 0.00 0.00 0.00
6 A2u 1477 1477 13.31 0.00 0.00 0.00
7 Eg 3138 3138 0.00 121.33 0.75 0.86
7 Eg 3138 3138 0.00 121.34 0.75 0.86
8 Eg 1578 1578 0.00 46.73 0.75 0.86
8 Eg 1578 1578 0.00 46.71 0.75 0.86
9 Eg 1263 1263 0.00 3.78 0.75 0.86
9 Eg 1263 1263 0.00 3.77 0.75 0.86
10 Eu 3163 3163 49.11 0.00 0.00 0.00
10 Eu 3163 3163 49.23 0.00 0.00 0.00
11 Eu 1576 1576 15.57 0.00 0.00 0.00
11 Eu 1576 1576 15.54 0.00 0.00 0.00
12 Eu 874 874 10.62 0.00 0.00 0.00
12 Eu 874 874 10.61 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16796.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16796.6 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 wB97X-D/3-21G
ABC
2.66171 0.66044 0.66044

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

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 1.023 1.159
H4 -0.886 -0.512 1.159
H5 0.886 -0.512 1.159
H6 0.000 -1.023 -1.159
H7 -0.886 0.512 -1.159
H8 0.886 0.512 -1.159

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.54061.09461.09461.09462.18362.18362.1836
C21.54062.18362.18362.18361.09461.09461.0946
H31.09462.18361.77261.77263.09182.53322.5332
H41.09462.18361.77261.77262.53322.53323.0918
H51.09462.18361.77261.77262.53323.09182.5332
H62.18361.09463.09182.53322.53321.77261.7726
H72.18361.09462.53322.53323.09181.77261.7726
H82.18361.09462.53323.09182.53321.77261.7726

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.780 C1 C2 H7 110.780
C1 C2 H8 110.780 C2 C1 H3 110.780
C2 C1 H4 110.780 C2 C1 H5 110.780
H3 C1 H4 108.132 H3 C1 H5 108.132
H4 C1 H5 108.132 H6 C2 H7 108.132
H6 C2 H8 108.132 H7 C2 H8 108.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.623      
2 C -0.623      
3 H 0.208      
4 H 0.208      
5 H 0.208      
6 H 0.208      
7 H 0.208      
8 H 0.208      


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 -14.656 0.000 0.000
y 0.000 -14.656 0.000
z 0.000 0.000 -15.081
Traceless
 xyz
x 0.213 0.000 0.000
y 0.000 0.213 0.000
z 0.000 0.000 -0.425
Polar
3z2-r2-0.850
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 3.136 0.000 0.000
y 0.000 3.136 0.000
z 0.000 0.000 3.310


<r2> (average value of r2) Å2
<r2> 30.702
(<r2>)1/2 5.541