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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B3LYPultrafine/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-79.864772
Energy at 298.15K-79.870663
HF Energy-79.864772
Nuclear repulsion energy42.259919
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/daug-cc-pVTZ
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 3026 3026 0.00 356.96 0.00 0.01
2 A1g 1421 1421 0.00 0.01 0.04 0.08
3 A1g 994 994 0.00 12.21 0.19 0.31
4 A1u 302 302 0.00 0.00 0.00 0.00
5 A2u 3027 3027 60.05 0.00 0.00 0.00
6 A2u 1412 1412 0.86 0.00 0.00 0.00
7 Eg 3069 3069 0.00 127.60 0.75 0.86
7 Eg 3069 3069 0.00 127.49 0.75 0.86
8 Eg 1502 1502 0.00 8.52 0.75 0.86
8 Eg 1502 1502 0.00 8.50 0.75 0.86
9 Eg 1222 1222 0.00 0.08 0.75 0.86
9 Eg 1222 1222 0.00 0.09 0.75 0.86
10 Eu 3094 3094 64.44 0.00 0.00 0.00
10 Eu 3094 3094 64.44 0.00 0.00 0.00
11 Eu 1505 1505 8.78 0.00 0.00 0.00
11 Eu 1505 1505 8.78 0.00 0.00 0.00
12 Eu 826 826 3.53 0.00 0.00 0.00
12 Eu 826 826 3.53 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16309.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16309.3 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 B3LYPultrafine/daug-cc-pVTZ
ABC
2.70015 0.66717 0.66717

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVTZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.016 1.161
H4 -0.880 -0.508 1.161
H5 0.880 -0.508 1.161
H6 0.000 -1.016 -1.161
H7 -0.880 0.508 -1.161
H8 0.880 0.508 -1.161

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52741.09091.09091.09092.17632.17632.1763
C21.52742.17632.17632.17631.09091.09091.0909
H31.09092.17631.75991.75993.08542.53432.5343
H41.09092.17631.75991.75992.53432.53433.0854
H51.09092.17631.75991.75992.53433.08542.5343
H62.17631.09093.08542.53432.53431.75991.7599
H72.17631.09092.53432.53433.08541.75991.7599
H82.17631.09092.53433.08542.53431.75991.7599

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.347 C1 C2 H7 111.347
C1 C2 H8 111.347 C2 C1 H3 111.347
C2 C1 H4 111.347 C2 C1 H5 111.347
H3 C1 H4 107.532 H3 C1 H5 107.532
H4 C1 H5 107.532 H6 C2 H7 107.532
H6 C2 H8 107.532 H7 C2 H8 107.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.725      
2 C -0.725      
3 H 0.242      
4 H 0.242      
5 H 0.242      
6 H 0.242      
7 H 0.242      
8 H 0.242      


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 -15.032 0.000 0.000
y 0.000 -15.032 0.000
z 0.000 0.000 -15.755
Traceless
 xyz
x 0.362 0.000 0.000
y 0.000 0.362 0.000
z 0.000 0.000 -0.723
Polar
3z2-r2-1.447
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 4.110 0.000 0.000
y 0.000 4.110 0.000
z 0.000 0.000 4.716


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