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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-79.733638
Energy at 298.15K-79.739568
HF Energy-79.630657
Nuclear repulsion energy42.230110
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/6-31+G**
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 3077 2926 0.00 254.78 0.01 0.02
2 A1g 1456 1384 0.00 1.88 0.40 0.58
3 A1g 1018 969 0.00 14.23 0.28 0.44
4 A1u 319 303 0.00 0.00 0.41 0.58
5 A2u 3076 2925 65.16 0.00 0.01 0.00
6 A2u 1432 1361 1.19 0.00 0.00 0.00
7 Eg 3138 2985 0.00 138.34 0.75 0.86
7 Eg 3138 2985 0.00 138.34 0.75 0.86
8 Eg 1530 1455 0.00 20.40 0.75 0.86
8 Eg 1530 1455 0.00 20.40 0.75 0.86
9 Eg 1241 1180 0.00 0.98 0.75 0.86
9 Eg 1241 1180 0.00 0.98 0.75 0.86
10 Eu 3161 3006 69.52 0.00 0.00 0.00
10 Eu 3161 3006 69.52 0.00 0.00 0.00
11 Eu 1532 1457 10.87 0.00 0.75 0.86
11 Eu 1532 1457 10.87 0.00 0.75 0.86
12 Eu 835 794 3.36 0.00 0.00 0.00
12 Eu 835 794 3.36 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16625.8 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 15811.1 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 B2PLYP=FULL/6-31+G**
ABC
2.69169 0.66673 0.66673

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.764
C2 0.000 0.000 -0.764
H3 0.000 1.018 1.160
H4 -0.881 -0.509 1.160
H5 0.881 -0.509 1.160
H6 0.000 -1.018 -1.160
H7 -0.881 0.509 -1.160
H8 0.881 0.509 -1.160

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52821.09211.09211.09212.17692.17692.1769
C21.52822.17692.17692.17691.09211.09211.0921
H31.09212.17691.76271.76273.08662.53382.5338
H41.09212.17691.76271.76272.53382.53383.0866
H51.09212.17691.76271.76272.53383.08662.5338
H62.17691.09213.08662.53382.53381.76271.7627
H72.17691.09212.53382.53383.08661.76271.7627
H82.17691.09212.53383.08662.53381.76271.7627

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.265 C1 C2 H7 111.265
C1 C2 H8 111.265 C2 C1 H3 111.265
C2 C1 H4 111.265 C2 C1 H5 111.265
H3 C1 H4 107.619 H3 C1 H5 107.619
H4 C1 H5 107.619 H6 C2 H7 107.619
H6 C2 H8 107.619 H7 C2 H8 107.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability