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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-79.781115
Energy at 298.15K-79.787047
HF Energy-79.651920
Nuclear repulsion energy42.364414
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 B2PLYP=FULL/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 3059 2924 0.00 286.19 0.01 0.01
2 A1g 1437 1374 0.00 0.70 0.74 0.85
3 A1g 1012 967 0.00 11.70 0.22 0.36
4 A1u 317 303 0.00 0.00 0.00 0.00
5 A2u 3060 2924 56.66 0.00 0.01 0.01
6 A2u 1422 1360 1.07 0.00 0.00 0.00
7 Eg 3108 2970 0.00 131.00 0.75 0.86
7 Eg 3108 2970 0.00 130.99 0.75 0.86
8 Eg 1522 1454 0.00 17.27 0.75 0.86
8 Eg 1522 1454 0.00 17.27 0.75 0.86
9 Eg 1235 1180 0.00 0.29 0.75 0.86
9 Eg 1235 1180 0.00 0.29 0.75 0.86
10 Eu 3132 2993 62.40 0.00 0.00 0.00
10 Eu 3132 2993 62.40 0.00 0.00 0.00
11 Eu 1524 1456 8.42 0.00 0.00 0.00
11 Eu 1524 1456 8.42 0.00 0.00 0.00
12 Eu 832 795 3.50 0.00 0.00 0.00
12 Eu 832 795 3.50 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16505.0 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 15775.5 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 B2PLYP=FULL/cc-pVTZ
ABC
2.71087 0.67064 0.67064

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.762
C2 0.000 0.000 -0.762
H3 0.000 1.014 1.157
H4 -0.878 -0.507 1.157
H5 0.878 -0.507 1.157
H6 0.000 -1.014 -1.157
H7 -0.878 0.507 -1.157
H8 0.878 0.507 -1.157

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52401.08821.08821.08822.17032.17032.1703
C21.52402.17032.17032.17031.08821.08821.0882
H31.08822.17031.75651.75653.07672.52612.5261
H41.08822.17031.75651.75652.52612.52613.0767
H51.08822.17031.75651.75652.52613.07672.5261
H62.17031.08823.07672.52612.52611.75651.7565
H72.17031.08822.52612.52613.07671.75651.7565
H82.17031.08822.52613.07672.52611.75651.7565

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.272 C1 C2 H7 111.272
C1 C2 H8 111.272 C2 C1 H3 111.272
C2 C1 H4 111.272 C2 C1 H5 111.272
H3 C1 H4 107.612 H3 C1 H5 107.612
H4 C1 H5 107.612 H6 C2 H7 107.612
H6 C2 H8 107.612 H7 C2 H8 107.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability