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All results from a given calculation for C2H6 (Ethane)

using model chemistry: PBEPBE/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at PBEPBE/daug-cc-pVDZ
 hartrees
Energy at 0K-79.706759
Energy at 298.15K-79.712605
HF Energy-79.706759
Nuclear repulsion energy41.886592
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 PBEPBE/daug-cc-pVDZ
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 2969 2969 0.00 382.23 0.00 0.00
2 A1g 1351 1351 0.00 0.12 0.30 0.47
3 A1g 999 999 0.00 11.00 0.16 0.28
4 A1u 298 298 0.00 0.00 0.00 0.00
5 A2u 2971 2971 63.31 0.00 0.00 0.00
6 A2u 1325 1325 1.03 0.00 0.00 0.00
7 Eg 3033 3033 0.00 134.66 0.75 0.86
7 Eg 3033 3033 0.00 134.72 0.75 0.86
8 Eg 1426 1426 0.00 9.04 0.75 0.86
8 Eg 1426 1426 0.00 9.04 0.75 0.86
9 Eg 1161 1161 0.00 0.13 0.75 0.86
9 Eg 1161 1161 0.00 0.13 0.75 0.86
10 Eu 3056 3056 61.37 0.00 0.00 0.00
10 Eu 3056 3056 61.37 0.00 0.00 0.00
11 Eu 1427 1427 9.16 0.00 0.00 0.00
11 Eu 1427 1427 9.16 0.00 0.00 0.00
12 Eu 788 788 4.30 0.00 0.00 0.00
12 Eu 788 788 4.30 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 15845.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15845.9 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 PBEPBE/daug-cc-pVDZ
ABC
2.62979 0.65978 0.65978

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

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.766
C2 0.000 0.000 -0.766
H3 0.000 1.030 1.170
H4 -0.892 -0.515 1.170
H5 0.892 -0.515 1.170
H6 0.000 -1.030 -1.170
H7 -0.892 0.515 -1.170
H8 0.892 0.515 -1.170

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53161.10591.10591.10592.19212.19212.1921
C21.53162.19212.19212.19211.10591.10591.1059
H31.10592.19211.78331.78333.11632.55562.5556
H41.10592.19211.78331.78332.55562.55563.1163
H51.10592.19211.78331.78332.55563.11632.5556
H62.19211.10593.11632.55562.55561.78331.7833
H72.19211.10592.55562.55563.11631.78331.7833
H82.19211.10592.55563.11632.55561.78331.7833

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.410 C1 C2 H7 111.410
C1 C2 H8 111.410 C2 C1 H3 111.410
C2 C1 H4 111.410 C2 C1 H5 111.410
H3 C1 H4 107.464 H3 C1 H5 107.464
H4 C1 H5 107.464 H6 C2 H7 107.464
H6 C2 H8 107.464 H7 C2 H8 107.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.886      
2 C 0.886      
3 H -0.295      
4 H -0.295      
5 H -0.295      
6 H -0.295      
7 H -0.295      
8 H -0.295      


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 -15.140 0.000 0.000
y 0.000 -15.140 0.000
z 0.000 0.000 -15.847
Traceless
 xyz
x 0.353 0.000 0.000
y 0.000 0.353 0.000
z 0.000 0.000 -0.707
Polar
3z2-r2-1.413
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 4.318 0.000 0.000
y 0.000 4.318 0.000
z 0.000 0.000 4.966


<r2> (average value of r2) Å2
<r2> 31.208
(<r2>)1/2 5.586