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All results from a given calculation for C6H6 (1,2,4,5-Hexatetraene)

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-231.645832
Energy at 298.15K 
HF Energy-230.657835
Nuclear repulsion energy176.430596
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 QCISD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
1.06529 0.04547 0.04441

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.330 0.657 0.000
C2 0.330 -0.657 0.000
C3 0.330 1.794 0.000
C4 -0.330 -1.794 0.000
C5 0.991 2.923 0.000
C6 -0.991 -2.923 0.000
H7 -1.413 0.674 0.000
H8 1.413 -0.674 0.000
H9 1.272 3.406 0.928
H10 1.272 3.406 -0.928
H11 -1.272 -3.406 0.928
H12 -1.272 -3.406 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47021.31392.45092.62233.64041.08382.19313.31373.31374.27274.2727
C21.47022.45091.31393.64042.62232.19311.08384.27274.27273.31373.3137
C31.31392.45093.64761.30844.89792.07122.69562.08502.08505.51925.5192
C42.45091.31393.64764.89791.30842.69562.07125.51925.51922.08502.0850
C52.62233.64041.30844.89796.17223.29153.62181.08291.08296.78466.7846
C63.64042.62234.89791.30846.17223.62183.29156.78466.78461.08291.0829
H71.08382.19312.07122.69563.29153.62183.13173.94103.94104.18674.1867
H82.19311.08382.69562.07123.62183.29153.13174.18674.18673.94103.9410
H93.31374.27272.08505.51921.08296.78463.94104.18671.85517.27127.5041
H103.31374.27272.08505.51921.08296.78463.94104.18671.85517.50417.2712
H114.27273.31375.51922.08506.78461.08294.18673.94107.27127.50411.8551
H124.27273.31375.51922.08506.78461.08294.18673.94107.50417.27121.8551

picture of 1,2,4,5-Hexatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 123.266 C1 C2 H8 117.545
C1 C3 C5 179.741 C2 C1 C3 123.266
C2 C1 H7 117.545 C2 C4 C6 179.741
C3 C1 H7 119.190 C3 C5 H9 121.075
C3 C5 H10 121.075 C4 C2 H8 119.190
C4 C6 H11 121.075 C4 C6 H12 121.075
H9 C5 H10 117.851 H11 C6 H12 117.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability