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

using model chemistry: CCSD=FULL/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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-231.760697
Energy at 298.15K 
HF Energy-230.652112
Nuclear repulsion energy176.852855
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/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/6-311+G(3df,2p)
ABC
1.06893 0.04571 0.04464

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.329 0.655 0.000
C2 0.329 -0.655 0.000
C3 0.329 1.789 0.000
C4 -0.329 -1.789 0.000
C5 0.989 2.915 0.000
C6 -0.989 -2.915 0.000
H7 -1.412 0.673 0.000
H8 1.412 -0.673 0.000
H9 1.271 3.398 0.926
H10 1.271 3.398 -0.926
H11 -1.271 -3.398 0.926
H12 -1.271 -3.398 -0.926

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46661.31052.44432.61523.63041.08312.18983.30703.30704.26304.2630
C21.46662.44431.31053.63042.61522.18981.08314.26304.26303.30703.3070
C31.31052.44433.63781.30474.88452.06752.68982.08152.08155.50625.5062
C42.44431.31053.63784.88451.30472.68982.06755.50625.50622.08152.0815
C52.61523.63041.30474.88456.15533.28413.61271.08171.08176.76826.7682
C63.63042.61524.88451.30476.15533.61273.28416.76826.76821.08171.0817
H71.08312.18982.06752.68983.28413.61273.12823.93403.93404.17744.1774
H82.18981.08312.68982.06753.61273.28413.12824.17744.17743.93403.9340
H93.30704.26302.08155.50621.08176.76823.93404.17741.85147.25547.4879
H103.30704.26302.08155.50621.08176.76823.93404.17741.85147.48797.2554
H114.26303.30705.50622.08156.76821.08174.17743.93407.25547.48791.8514
H124.26303.30705.50622.08156.76821.08174.17743.93407.48797.25541.8514

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 123.232 C1 C2 H8 117.586
C1 C3 C5 179.750 C2 C1 C3 123.232
C2 C1 H7 117.586 C2 C4 C6 179.750
C3 C1 H7 119.182 C3 C5 H9 121.153
C3 C5 H10 121.153 C4 C2 H8 119.182
C4 C6 H11 121.153 C4 C6 H12 121.153
H9 C5 H10 117.694 H11 C6 H12 117.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability