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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B3LYPultrafine/6-311G*

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/6-311G*
 hartrees
Energy at 0K-79.848180
Energy at 298.15K-79.854087
HF Energy-79.848180
Nuclear repulsion energy42.168568
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/6-311G*
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 3030 2928 0.00 241.33 0.01 0.02
2 A1g 1438 1389 0.00 3.61 0.72 0.84
3 A1g 1001 967 0.00 9.82 0.29 0.45
4 A1u 308 297 0.00 0.00 0.00 0.00
5 A2u 3030 2928 70.31 0.00 0.01 0.02
6 A2u 1422 1374 2.68 0.00 0.00 0.00
7 Eg 3074 2971 0.00 153.53 0.75 0.86
7 Eg 3074 2971 0.00 153.53 0.75 0.86
8 Eg 1523 1471 0.00 27.21 0.75 0.86
8 Eg 1523 1471 0.00 27.21 0.75 0.86
9 Eg 1227 1186 0.00 0.99 0.75 0.86
9 Eg 1227 1186 0.00 0.99 0.75 0.86
10 Eu 3100 2996 87.04 0.00 0.00 0.00
10 Eu 3100 2996 87.05 0.00 0.00 0.00
11 Eu 1525 1474 12.27 0.00 0.00 0.00
11 Eu 1525 1474 12.27 0.00 0.00 0.00
12 Eu 831 803 4.54 0.00 0.00 0.00
12 Eu 831 803 4.54 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16394.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 15841.9 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 B3LYPultrafine/6-311G*
ABC
2.69082 0.66434 0.66434

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.765
C2 0.000 0.000 -0.765
H3 0.000 1.018 1.165
H4 -0.881 -0.509 1.165
H5 0.881 -0.509 1.165
H6 0.000 -1.018 -1.165
H7 -0.881 0.509 -1.165
H8 0.881 0.509 -1.165

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52961.09371.09371.09372.18172.18172.1817
C21.52962.18172.18172.18171.09371.09371.0937
H31.09372.18171.76301.76303.09392.54242.5424
H41.09372.18171.76301.76302.54242.54243.0939
H51.09372.18171.76301.76302.54243.09392.5424
H62.18171.09373.09392.54242.54241.76301.7630
H72.18171.09372.54242.54243.09391.76301.7630
H82.18171.09372.54243.09392.54241.76301.7630

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.459 C1 C2 H7 111.459
C1 C2 H8 111.459 C2 C1 H3 111.459
C2 C1 H4 111.459 C2 C1 H5 111.459
H3 C1 H4 107.413 H3 C1 H5 107.413
H4 C1 H5 107.413 H6 C2 H7 107.413
H6 C2 H8 107.413 H7 C2 H8 107.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.611      
2 C -0.611      
3 H 0.204      
4 H 0.204      
5 H 0.204      
6 H 0.204      
7 H 0.204      
8 H 0.204      


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 -15.045 0.000 0.000
y 0.000 -15.045 0.000
z 0.000 0.000 -15.771
Traceless
 xyz
x 0.363 0.000 0.000
y 0.000 0.363 0.000
z 0.000 0.000 -0.727
Polar
3z2-r2-1.453
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 3.565 0.000 0.000
y 0.000 3.565 0.000
z 0.000 0.000 3.918


<r2> (average value of r2) Å2
<r2> 30.924
(<r2>)1/2 5.561