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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B3LYPultrafine/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-79.818877
Energy at 298.15K-79.824772
HF Energy-79.818877
Nuclear repulsion energy41.930151
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/LANL2DZ
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 3039 2921 0.00      
2 A1g 1440 1384 0.00      
3 A1g 1015 976 0.00      
4 A1u 296 285 0.00      
5 A2u 3035 2917 74.42      
6 A2u 1438 1382 16.43      
7 Eg 3109 2989 0.00      
7 Eg 3109 2989 0.00      
8 Eg 1528 1469 0.00      
8 Eg 1528 1469 0.00      
9 Eg 1231 1183 0.00      
9 Eg 1231 1183 0.00      
10 Eu 3137 3016 107.23      
10 Eu 3137 3016 107.23      
11 Eu 1529 1470 18.96      
11 Eu 1529 1470 18.96      
12 Eu 840 807 12.07      
12 Eu 840 807 12.07      

Unscaled Zero Point Vibrational Energy (zpe) 16505.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15865.2 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/LANL2DZ
ABC
2.65810 0.65598 0.65598

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/LANL2DZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
C2 0.000 0.000 -0.771
H3 0.000 1.024 1.168
H4 -0.887 -0.512 1.168
H5 0.887 -0.512 1.168
H6 0.000 -1.024 -1.168
H7 -0.887 0.512 -1.168
H8 0.887 0.512 -1.168

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.54301.09801.09801.09802.19282.19282.1928
C21.54302.19282.19282.19281.09801.09801.0980
H31.09802.19281.77381.77383.10612.54972.5497
H41.09802.19281.77381.77382.54972.54973.1061
H51.09802.19281.77381.77382.54973.10612.5497
H62.19281.09803.10612.54972.54971.77381.7738
H72.19281.09802.54972.54973.10611.77381.7738
H82.19281.09802.54973.10612.54971.77381.7738

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.142 C1 C2 H7 111.142
C1 C2 H8 111.142 C2 C1 H3 111.142
C2 C1 H4 111.142 C2 C1 H5 111.142
H3 C1 H4 107.750 H3 C1 H5 107.750
H4 C1 H5 107.750 H6 C2 H7 107.750
H6 C2 H8 107.750 H7 C2 H8 107.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.590      
2 C -0.590      
3 H 0.197      
4 H 0.197      
5 H 0.197      
6 H 0.197      
7 H 0.197      
8 H 0.197      


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 -14.563 0.000 0.000
y 0.000 -14.563 0.000
z 0.000 0.000 -15.057
Traceless
 xyz
x 0.247 0.000 0.000
y 0.000 0.247 0.000
z 0.000 0.000 -0.494
Polar
3z2-r2-0.988
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 3.199 0.000 0.000
y 0.000 3.199 0.000
z 0.000 0.000 3.440


<r2> (average value of r2) Å2
<r2> 30.812
(<r2>)1/2 5.551