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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-79.762356
Energy at 298.15K-79.768263
HF Energy-79.762356
Nuclear repulsion energy41.918968
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 B97D3/6-31G
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 2987 2987 0.00 228.16 0.01 0.02
2 A1g 1435 1435 0.00 10.09 0.70 0.82
3 A1g 994 994 0.00 8.10 0.28 0.44
4 A1u 303 303 0.00 0.00 0.00 0.00
5 A2u 2984 2984 76.11 0.00 0.00 0.00
6 A2u 1437 1437 2.29 0.00 0.00 0.00
7 Eg 3049 3049 0.00 140.42 0.75 0.86
7 Eg 3049 3049 0.00 140.43 0.75 0.86
8 Eg 1523 1523 0.00 46.48 0.75 0.86
8 Eg 1523 1523 0.00 46.48 0.75 0.86
9 Eg 1230 1230 0.00 3.93 0.75 0.86
9 Eg 1230 1230 0.00 3.93 0.75 0.86
10 Eu 3078 3078 95.48 0.00 0.00 0.00
10 Eu 3078 3078 95.48 0.00 0.00 0.00
11 Eu 1527 1527 10.20 0.00 0.00 0.00
11 Eu 1527 1527 10.20 0.00 0.00 0.00
12 Eu 844 844 7.05 0.00 0.00 0.00
12 Eu 844 844 7.05 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16322.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16322.7 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 B97D3/6-31G
ABC
2.64865 0.65747 0.65747

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.769
C2 0.000 0.000 -0.769
H3 0.000 1.026 1.168
H4 -0.888 -0.513 1.168
H5 0.888 -0.513 1.168
H6 0.000 -1.026 -1.168
H7 -0.888 0.513 -1.168
H8 0.888 0.513 -1.168

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53871.10071.10071.10072.19242.19242.1924
C21.53872.19242.19242.19241.10071.10071.1007
H31.10072.19241.77701.77703.10942.55162.5516
H41.10072.19241.77701.77702.55162.55163.1094
H51.10072.19241.77701.77702.55163.10942.5516
H62.19241.10073.10942.55162.55161.77701.7770
H72.19241.10072.55162.55163.10941.77701.7770
H82.19241.10072.55163.10942.55161.77701.7770

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.241 C1 C2 H7 111.241
C1 C2 H8 111.241 C2 C1 H3 111.241
C2 C1 H4 111.241 C2 C1 H5 111.241
H3 C1 H4 107.645 H3 C1 H5 107.645
H4 C1 H5 107.645 H6 C2 H7 107.645
H6 C2 H8 107.645 H7 C2 H8 107.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.422      
2 C -0.422      
3 H 0.141      
4 H 0.141      
5 H 0.141      
6 H 0.141      
7 H 0.141      
8 H 0.141      


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 -14.725 0.000 0.000
y 0.000 -14.725 0.000
z 0.000 0.000 -15.136
Traceless
 xyz
x 0.205 0.000 0.000
y 0.000 0.205 0.000
z 0.000 0.000 -0.410
Polar
3z2-r2-0.821
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 3.355 0.000 0.000
y 0.000 3.355 0.000
z 0.000 0.000 3.562


<r2> (average value of r2) Å2
<r2> 30.888
(<r2>)1/2 5.558