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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-79.856263
Energy at 298.15K-79.862170
HF Energy-79.856263
Nuclear repulsion energy42.164754
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 3025 2925 0.00      
2 A1g 1426 1378 0.00      
3 A1g 997 964 0.00      
4 A1u 308 297 0.00      
5 A2u 3026 2925 63.25      
6 A2u 1410 1363 1.61      
7 Eg 3071 2969 0.00      
7 Eg 3071 2969 0.00      
8 Eg 1505 1455 0.00      
8 Eg 1505 1455 0.00      
9 Eg 1219 1179 0.00      
9 Eg 1219 1179 0.00      
10 Eu 3097 2994 76.39      
10 Eu 3097 2994 76.39      
11 Eu 1508 1458 10.27      
11 Eu 1508 1458 10.27      
12 Eu 828 801 4.42      
12 Eu 828 801 4.42      

Unscaled Zero Point Vibrational Energy (zpe) 16324.1 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 15782.1 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/6-311G**
ABC
2.68784 0.66427 0.66427

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 1.164
H4 -0.882 -0.509 1.164
H5 0.882 -0.509 1.164
H6 0.000 -1.018 -1.164
H7 -0.882 0.509 -1.164
H8 0.882 0.509 -1.164

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53051.09361.09361.09362.18122.18122.1812
C21.53052.18122.18122.18121.09361.09361.0936
H31.09362.18121.76401.76403.09272.54032.5403
H41.09362.18121.76401.76402.54032.54033.0927
H51.09362.18121.76401.76402.54033.09272.5403
H62.18121.09363.09272.54032.54031.76401.7640
H72.18121.09362.54032.54033.09271.76401.7640
H82.18121.09362.54033.09272.54031.76401.7640

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.364 C1 C2 H7 111.364
C1 C2 H8 111.364 C2 C1 H3 111.364
C2 C1 H4 111.364 C2 C1 H5 111.364
H3 C1 H4 107.514 H3 C1 H5 107.514
H4 C1 H5 107.514 H6 C2 H7 107.514
H6 C2 H8 107.514 H7 C2 H8 107.514
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 -0.317      
2 C -0.317      
3 H 0.106      
4 H 0.106      
5 H 0.106      
6 H 0.106      
7 H 0.106      
8 H 0.106      


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 -15.018 0.000 0.000
y 0.000 -15.018 0.000
z 0.000 0.000 -15.647
Traceless
 xyz
x 0.314 0.000 0.000
y 0.000 0.314 0.000
z 0.000 0.000 -0.629
Polar
3z2-r2-1.258
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 3.639 0.000 0.000
y 0.000 3.639 0.000
z 0.000 0.000 4.021


<r2> (average value of r2) Å2
<r2> 30.885
(<r2>)1/2 5.557