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All results from a given calculation for C6H6 (2,4-Hexadiyne)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-231.418178
Energy at 298.15K 
HF Energy-230.599836
Nuclear repulsion energy169.588557
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
2.68735 0.03672 0.03672

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.694
C2 0.000 0.000 -0.694
C3 0.000 0.000 1.906
C4 0.000 0.000 -1.906
C5 0.000 0.000 3.372
C6 0.000 0.000 -3.372
H7 0.000 1.019 3.755
H8 -0.882 -0.509 3.755
H9 0.882 -0.509 3.755
H10 0.000 1.019 -3.755
H11 0.882 -0.509 -3.755
H12 -0.882 -0.509 -3.755

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.38851.21162.60012.67774.06623.22573.22573.22574.56424.56424.5642
C21.38852.60011.21164.06622.67774.56424.56424.56423.22573.22573.2257
C31.21162.60013.81171.46615.27782.11102.11102.11105.75165.75165.7516
C42.60011.21163.81175.27781.46615.75165.75165.75162.11102.11102.1110
C52.67774.06621.46615.27786.74391.08831.08831.08837.19927.19927.1992
C64.06622.67775.27781.46616.74397.19927.19927.19921.08831.08831.0883
H73.22574.56422.11105.75161.08837.19921.76451.76457.50977.71427.7142
H83.22574.56422.11105.75161.08837.19921.76451.76457.71427.71427.5097
H93.22574.56422.11105.75161.08837.19921.76451.76457.71427.50977.7142
H104.56423.22575.75162.11107.19921.08837.50977.71427.71421.76451.7645
H114.56423.22575.75162.11107.19921.08837.71427.71427.50971.76451.7645
H124.56423.22575.75162.11107.19921.08837.71427.50977.71421.76451.7645

picture of 2,4-Hexadiyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 180.000
C2 C1 C3 180.000 C2 C4 C6 180.000
C3 C5 H7 110.598 C3 C5 H8 110.598
C3 C5 H9 110.598 C4 C6 H10 110.598
C4 C6 H11 110.598 C4 C6 H12 110.598
H7 C5 H8 108.321 H7 C5 H9 108.321
H8 C5 H9 108.321 H10 C6 H11 108.321
H10 C6 H12 108.321 H11 C6 H12 108.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability