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All results from a given calculation for C2H6 (Ethane)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-79.800555
Energy at 298.15K-79.806413
HF Energy-79.800555
Nuclear repulsion energy41.990400
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 BLYP/aug-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 2954 2944 0.00 370.57 0.00 0.01
2 A1g 1381 1377 0.00 0.07 0.00 0.00
3 A1g 957 954 0.00 12.11 0.19 0.31
4 A1u 293 292 0.00 0.00 0.00 0.00
5 A2u 2956 2946 64.15 0.00 0.00 0.00
6 A2u 1378 1374 0.31 0.00 0.00 0.00
7 Eg 2992 2982 0.00 135.68 0.75 0.86
7 Eg 2992 2982 0.00 135.67 0.75 0.86
8 Eg 1467 1462 0.00 8.65 0.75 0.86
8 Eg 1467 1462 0.00 8.65 0.75 0.86
9 Eg 1190 1186 0.00 0.12 0.75 0.86
9 Eg 1190 1186 0.00 0.12 0.75 0.86
10 Eu 3017 3007 68.20 0.00 0.00 0.00
10 Eu 3017 3007 68.20 0.00 0.00 0.00
11 Eu 1470 1465 7.81 0.00 0.00 0.00
11 Eu 1470 1465 7.81 0.00 0.00 0.00
12 Eu 807 804 3.32 0.00 0.00 0.00
12 Eu 807 804 3.32 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 15903.1 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 15849.1 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 BLYP/aug-cc-pVTZ
ABC
2.66931 0.65815 0.65815

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

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 1.022 1.169
H4 -0.885 -0.511 1.169
H5 0.885 -0.511 1.169
H6 0.000 -1.022 -1.169
H7 -0.885 0.511 -1.169
H8 0.885 0.511 -1.169

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53811.09741.09741.09742.19092.19092.1909
C21.53812.19092.19092.19091.09741.09741.0974
H31.09742.19091.77011.77013.10532.55142.5514
H41.09742.19091.77011.77012.55142.55143.1053
H51.09742.19091.77011.77012.55143.10532.5514
H62.19091.09743.10532.55142.55141.77011.7701
H72.19091.09742.55142.55143.10531.77011.7701
H82.19091.09742.55143.10532.55141.77011.7701

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.368 C1 C2 H7 111.368
C1 C2 H8 111.368 C2 C1 H3 111.368
C2 C1 H4 111.368 C2 C1 H5 111.368
H3 C1 H4 107.510 H3 C1 H5 107.510
H4 C1 H5 107.510 H6 C2 H7 107.510
H6 C2 H8 107.510 H7 C2 H8 107.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.521      
2 C -0.521      
3 H 0.174      
4 H 0.174      
5 H 0.174      
6 H 0.174      
7 H 0.174      
8 H 0.174      


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 -15.231 0.000 0.000
y 0.000 -15.231 0.000
z 0.000 0.000 -15.954
Traceless
 xyz
x 0.362 0.000 0.000
y 0.000 0.362 0.000
z 0.000 0.000 -0.724
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 4.271 0.000 0.000
y 0.000 4.271 0.000
z 0.000 0.000 4.935


<r2> (average value of r2) Å2
<r2> 31.225
(<r2>)1/2 5.588