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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G
 hartrees
Energy at 0K-79.812739
Energy at 298.15K-79.818667
HF Energy-79.812739
Nuclear repulsion energy42.047223
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 B3LYPultrafine/6-31G
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 3043 2927 0.00      
2 A1g 1463 1408 0.00      
3 A1g 1013 975 0.00      
4 A1u 304 293 0.00      
5 A2u 3041 2925 63.56      
6 A2u 1465 1410 3.33      
7 Eg 3099 2981 0.00      
7 Eg 3099 2981 0.00      
8 Eg 1548 1489 0.00      
8 Eg 1548 1489 0.00      
9 Eg 1253 1206 0.00      
9 Eg 1253 1206 0.00      
10 Eu 3126 3007 81.49      
10 Eu 3126 3007 81.49      
11 Eu 1552 1493 11.17      
11 Eu 1552 1493 11.17      
12 Eu 857 824 6.97      
12 Eu 857 824 6.97      

Unscaled Zero Point Vibrational Energy (zpe) 16599.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 15969.1 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 B3LYPultrafine/6-31G
ABC
2.67060 0.66065 0.66065

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/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 1.022 1.166
H4 -0.885 -0.511 1.166
H5 0.885 -0.511 1.166
H6 0.000 -1.022 -1.166
H7 -0.885 0.511 -1.166
H8 0.885 0.511 -1.166

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53531.09651.09651.09652.18672.18672.1867
C21.53532.18672.18672.18671.09651.09651.0965
H31.09652.18671.76961.76963.10012.54542.5454
H41.09652.18671.76961.76962.54542.54543.1001
H51.09652.18671.76961.76962.54543.10012.5454
H62.18671.09653.10012.54542.54541.76961.7696
H72.18671.09652.54542.54543.10011.76961.7696
H82.18671.09652.54543.10012.54541.76961.7696

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.284 C1 C2 H7 111.284
C1 C2 H8 111.284 C2 C1 H3 111.284
C2 C1 H4 111.284 C2 C1 H5 111.284
H3 C1 H4 107.599 H3 C1 H5 107.599
H4 C1 H5 107.599 H6 C2 H7 107.599
H6 C2 H8 107.599 H7 C2 H8 107.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 C -0.402      
3 H 0.134      
4 H 0.134      
5 H 0.134      
6 H 0.134      
7 H 0.134      
8 H 0.134      


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 -14.807 0.000 0.000
y 0.000 -14.807 0.000
z 0.000 0.000 -15.201
Traceless
 xyz
x 0.197 0.000 0.000
y 0.000 0.197 0.000
z 0.000 0.000 -0.394
Polar
3z2-r2-0.789
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 3.299 0.000 0.000
y 0.000 3.299 0.000
z 0.000 0.000 3.473


<r2> (average value of r2) Å2
<r2> 30.818
(<r2>)1/2 5.551