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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-231.777510
Energy at 298.15K 
HF Energy-230.656001
Nuclear repulsion energy176.707103
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(T)=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/cc-pVTZ
ABC
1.07690 0.04555 0.04450

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.327 0.653 0.000
C2 0.327 -0.653 0.000
C3 0.327 1.792 0.000
C4 -0.327 -1.792 0.000
C5 0.986 2.922 0.000
C6 -0.986 -2.922 0.000
H7 -1.407 0.670 0.000
H8 1.407 -0.670 0.000
H9 1.265 3.404 0.925
H10 1.265 3.404 -0.925
H11 -1.265 -3.404 0.925
H12 -1.265 -3.404 -0.925

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46161.31362.44572.62143.63571.07992.18153.31033.31034.26624.2662
C21.46162.44571.31363.63572.62142.18151.07994.26624.26623.31033.3103
C31.31362.44573.64381.30774.89392.06612.68832.08172.08175.51325.5132
C42.44571.31363.64384.89391.30772.68832.06615.51325.51322.08172.0817
C52.62143.63571.30774.89396.16803.28633.61651.08001.08006.77836.7783
C63.63572.62144.89391.30776.16803.61653.28636.77836.77831.08001.0800
H71.07992.18152.06612.68833.28633.61653.11673.93363.93364.18024.1802
H82.18151.07992.68832.06613.61653.28633.11674.18024.18023.93363.9336
H93.31034.26622.08175.51321.08006.77833.93364.18021.85067.26337.4954
H103.31034.26622.08175.51321.08006.77833.93364.18021.85067.49547.2633
H114.26623.31035.51322.08176.77831.08004.18023.93367.26337.49541.8506
H124.26623.31035.51322.08176.77831.08004.18023.93367.49547.26331.8506

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 123.498 C1 C2 H8 117.470
C1 C3 C5 179.670 C2 C1 C3 123.498
C2 C1 H7 117.470 C2 C4 C6 179.670
C3 C1 H7 119.032 C3 C5 H9 121.048
C3 C5 H10 121.048 C4 C2 H8 119.032
C4 C6 H11 121.048 C4 C6 H12 121.048
H9 C5 H10 117.904 H11 C6 H12 117.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability