return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C8H6 (Calicene)

using model chemistry: CCSD=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-307.785633
Energy at 298.15K 
HF Energy-306.394776
Nuclear repulsion energy301.605699
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 CCSD=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVTZ
ABC
0.22804 0.04811 0.03973

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.042
C2 0.000 0.000 1.295
C3 0.000 0.660 2.554
C4 0.000 -0.660 2.554
C5 0.000 1.164 -0.906
C6 0.000 -1.164 -0.906
C7 0.000 0.728 -2.188
C8 0.000 -0.728 -2.188
H9 0.000 1.573 3.112
H10 0.000 -1.573 3.112
H11 0.000 2.183 -0.567
H12 0.000 -2.183 -0.567
H13 0.000 1.343 -3.067
H14 0.000 -1.343 -3.067

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.33752.67872.67871.45011.45012.26562.26563.52403.52402.24542.24543.30983.3098
C21.33751.42111.42112.49062.49063.55823.55822.40242.40242.86962.86964.56464.5646
C32.67871.42111.31923.49703.91174.74224.94051.06972.30083.47304.22165.66265.9673
C42.67871.42111.31923.91173.49704.94054.74222.30081.06974.22163.47305.96735.6626
C51.45012.49063.49703.91172.32901.35382.28534.03844.86151.07383.36492.16833.3102
C61.45012.49063.91173.49702.32902.28531.35384.86154.03843.36491.07383.31022.1683
C72.26563.55824.74224.94051.35382.28531.45545.36615.77692.17843.33181.07342.2498
C82.26563.55824.94054.74222.28531.35381.45545.77695.36613.33182.17842.24981.0734
H93.52402.40241.06972.30084.03844.86155.36615.77693.14523.72875.25716.18296.8320
H103.52402.40242.30081.06974.86154.03845.77695.36613.14525.25713.72876.83206.1829
H112.24542.86963.47304.22161.07383.36492.17843.33183.72875.25714.36652.63774.3228
H122.24542.86964.22163.47303.36491.07383.33182.17845.25713.72874.36654.32282.6377
H133.30984.56465.66265.96732.16833.31021.07342.24986.18296.83202.63774.32282.6861
H143.30984.56465.96735.66263.31022.16832.24981.07346.83206.18294.32282.63772.6861

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.345 C1 C2 C4 152.345
C1 C5 C7 107.755 C1 C5 H11 124.998
C1 C6 C8 107.755 C1 C6 H12 124.998
C2 C1 C5 126.577 C2 C1 C6 126.577
C2 C3 C4 62.345 C2 C3 H9 149.059
C2 C4 C3 62.345 C2 C4 H10 149.059
C3 C2 C4 55.310 C3 C4 H10 148.596
C4 C3 H9 148.596 C5 C1 C6 106.845
C5 C7 C8 108.822 C5 C7 H13 126.198
C6 C8 C7 108.822 C6 C8 H14 126.198
C7 C5 H11 127.247 C7 C8 H14 124.980
C8 C6 H12 127.247 C8 C7 H13 124.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability