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

using model chemistry: CCSD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-231.622988
Energy at 298.15K 
HF Energy-230.651597
Nuclear repulsion energy176.496346
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/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CCSD/6-311+G(3df,2p)
ABC
1.06309 0.04554 0.04447

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

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 1.792 0.000
C4 -0.330 -1.792 0.000
C5 0.992 2.920 0.000
C6 -0.992 -2.920 0.000
H7 -1.414 0.675 0.000
H8 1.414 -0.675 0.000
H9 1.274 3.403 0.927
H10 1.274 3.403 -0.927
H11 -1.274 -3.403 0.927
H12 -1.274 -3.403 -0.927

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47101.31312.44962.62063.63791.08452.19493.31273.31274.27074.2707
C21.47102.44961.31313.63792.62062.19491.08454.27074.27073.31273.3127
C31.31312.44963.64501.30744.89422.07192.69492.08472.08475.51615.5161
C42.44961.31313.64504.89421.30742.69492.07195.51615.51612.08472.0847
C52.62063.63791.30744.89426.16763.29113.61941.08321.08326.78066.7806
C63.63792.62064.89421.30746.16763.61943.29116.78066.78061.08321.0832
H71.08452.19492.07192.69493.29113.61943.13433.94123.94124.18444.1844
H82.19491.08452.69492.07193.61943.29113.13434.18444.18443.94123.9412
H93.31274.27072.08475.51611.08326.78063.94124.18441.85487.26787.5007
H103.31274.27072.08475.51611.08326.78063.94124.18441.85487.50077.2678
H114.27073.31275.51612.08476.78061.08324.18443.94127.26787.50071.8548
H124.27073.31275.51612.08476.78061.08324.18443.94127.50077.26781.8548

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 123.147 C1 C2 H8 117.592
C1 C3 C5 179.777 C2 C1 C3 123.147
C2 C1 H7 117.592 C2 C4 C6 179.777
C3 C1 H7 119.261 C3 C5 H9 121.109
C3 C5 H10 121.109 C4 C2 H8 119.261
C4 C6 H11 121.109 C4 C6 H12 121.109
H9 C5 H10 117.782 H11 C6 H12 117.782
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability