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All results from a given calculation for C2H6 (Ethane)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-79.722374
Energy at 298.15K-79.728302
HF Energy-79.621750
Nuclear repulsion energy42.034339
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-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 3063 2936 0.00 256.29 0.01 0.02
2 A1g 1427 1368 0.00 3.15 0.75 0.86
3 A1g 1026 984 0.00 10.78 0.28 0.44
4 A1u 325 311 0.00 0.00 0.00 0.00
5 A2u 3059 2932 57.87 0.00 0.01 0.02
6 A2u 1400 1341 0.00 0.00 0.00 0.00
7 Eg 3126 2996 0.00 150.87 0.75 0.86
7 Eg 3126 2996 0.00 150.87 0.75 0.86
8 Eg 1494 1432 0.00 29.37 0.75 0.86
8 Eg 1494 1432 0.00 29.37 0.75 0.86
9 Eg 1220 1169 0.00 0.96 0.75 0.86
9 Eg 1220 1169 0.00 0.96 0.75 0.86
10 Eu 3149 3018 61.87 0.00 0.00 0.00
10 Eu 3149 3018 61.87 0.00 0.00 0.00
11 Eu 1496 1434 7.29 0.00 0.00 0.00
11 Eu 1496 1434 7.29 0.00 0.75 0.86
12 Eu 826 792 3.90 0.00 0.00 0.00
12 Eu 826 792 3.90 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 16461.1 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 15778.0 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-pVDZ
ABC
2.65164 0.66372 0.66372

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

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 1.025 1.165
H4 -0.888 -0.513 1.165
H5 0.888 -0.513 1.165
H6 0.000 -1.025 -1.165
H7 -0.888 0.513 -1.165
H8 0.888 0.513 -1.165

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7 H8
C11.52801.10111.10111.10112.18492.18492.1849
C21.52802.18492.18492.18491.10111.10111.1011
H31.10112.18491.77601.77603.10442.54622.5462
H41.10112.18491.77601.77602.54622.54623.1044
H51.10112.18491.77601.77602.54623.10442.5462
H62.18491.10113.10442.54622.54621.77601.7760
H72.18491.10112.54622.54623.10441.77601.7760
H82.18491.10112.54623.10442.54621.77601.7760

picture of Ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.376 C1 C2 H7 111.376
C1 C2 H8 111.376 C2 C1 H3 111.376
C2 C1 H4 111.376 C2 C1 H5 111.376
H3 C1 H4 107.501 H3 C1 H5 107.501
H4 C1 H5 107.501 H6 C2 H7 107.501
H6 C2 H8 107.501 H7 C2 H8 107.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability