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All results from a given calculation for C2H6 (Ethane)

using model chemistry: TPSSh/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 TPSSh/daug-cc-pVDZ
 hartrees
Energy at 0K-79.842915
Energy at 298.15K-79.848818
HF Energy-79.842915
Nuclear repulsion energy42.044778
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 TPSSh/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 3024 3024 0.00 364.92 0.00 0.01
2 A1g 1411 1411 0.00 0.01 0.48 0.65
3 A1g 1009 1009 0.00 13.04 0.18 0.30
4 A1u 311 311 0.00 0.00 0.00 0.00
5 A2u 3023 3023 72.17 0.00 0.00 0.00
6 A2u 1386 1386 0.10 0.00 0.00 0.00
7 Eg 3079 3079 0.00 132.87 0.75 0.86
7 Eg 3079 3079 0.00 132.91 0.75 0.86
8 Eg 1492 1492 0.00 9.56 0.75 0.86
8 Eg 1492 1492 0.00 9.55 0.75 0.86
9 Eg 1211 1211 0.00 0.08 0.75 0.86
9 Eg 1211 1211 0.00 0.08 0.75 0.86
10 Eu 3103 3103 84.06 0.00 0.00 0.00
10 Eu 3103 3103 84.05 0.00 0.00 0.00
11 Eu 1494 1494 6.66 0.00 0.00 0.00
11 Eu 1494 1494 6.66 0.00 0.00 0.00
12 Eu 810 810 2.78 0.00 0.00 0.00
12 Eu 810 810 2.78 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16270.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16270.6 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 TPSSh/daug-cc-pVDZ
ABC
2.65396 0.66317 0.66317

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 1.025 1.163
H4 -0.888 -0.512 1.163
H5 0.888 -0.512 1.163
H6 0.000 -1.025 -1.163
H7 -0.888 0.512 -1.163
H8 0.888 0.512 -1.163

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.53101.09931.09931.09932.18402.18402.1840
C21.53102.18402.18402.18401.09931.09931.0993
H31.09932.18401.77521.77523.10042.54192.5419
H41.09932.18401.77521.77522.54192.54193.1004
H51.09932.18401.77521.77522.54193.10042.5419
H62.18401.09933.10042.54192.54191.77521.7752
H72.18401.09932.54192.54193.10041.77521.7752
H82.18401.09932.54193.10042.54191.77521.7752

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.201 C1 C2 H7 111.201
C1 C2 H8 111.201 C2 C1 H3 111.201
C2 C1 H4 111.201 C2 C1 H5 111.201
H3 C1 H4 107.687 H3 C1 H5 107.687
H4 C1 H5 107.687 H6 C2 H7 107.687
H6 C2 H8 107.687 H7 C2 H8 107.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.657      
2 C 0.657      
3 H -0.219      
4 H -0.219      
5 H -0.219      
6 H -0.219      
7 H -0.219      
8 H -0.219      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.155 0.000 0.000
y 0.000 4.155 0.000
z 0.000 0.000 4.764


<r2> (average value of r2) Å2
<r2> 30.941
(<r2>)1/2 5.562