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

using model chemistry: CCSD(T)/6-31G(2df,p)

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)/6-31G(2df,p)
 hartrees
Energy at 0K-231.585598
Energy at 298.15K 
HF Energy-230.599419
Nuclear repulsion energy175.931237
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)/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-31G(2df,p)
ABC
1.05914 0.04523 0.04417

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.331 0.658 0.000
C2 0.331 -0.658 0.000
C3 0.331 1.799 0.000
C4 -0.331 -1.799 0.000
C5 0.996 2.929 0.000
C6 -0.996 -2.929 0.000
H7 -1.418 0.669 0.000
H8 1.418 -0.669 0.000
H9 1.281 3.417 0.928
H10 1.281 3.417 -0.928
H11 -1.281 -3.417 0.928
H12 -1.281 -3.417 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47201.31892.45652.63063.64791.08762.19493.32763.32764.28574.2857
C21.47202.45651.31893.64792.63062.19491.08764.28574.28573.32763.3276
C31.31892.45653.65791.31184.91062.08182.69692.09362.09365.53755.5375
C42.45651.31893.65794.91061.31182.69692.08185.53755.53752.09362.0936
C52.63063.64791.31184.91066.18773.30713.62271.08631.08636.80596.8059
C63.64792.63064.91061.31186.18773.62273.30716.80596.80591.08631.0863
H71.08762.19492.08182.69693.30713.62273.13593.96213.96214.19224.1922
H82.19491.08762.69692.08183.62273.30713.13594.19224.19223.96213.9621
H93.32764.28572.09365.53751.08636.80593.96214.19221.85557.29867.5308
H103.32764.28572.09365.53751.08636.80593.96214.19221.85557.53087.2986
H114.28573.32765.53752.09366.80591.08634.19223.96217.29867.53081.8555
H124.28573.32765.53752.09366.80591.08634.19223.96217.53087.29861.8555

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 123.236 C1 C2 H8 117.286
C1 C3 C5 179.572 C2 C1 C3 123.236
C2 C1 H7 117.286 C2 C4 C6 179.572
C3 C1 H7 119.478 C3 C5 H9 121.343
C3 C5 H10 121.343 C4 C2 H8 119.478
C4 C6 H11 121.343 C4 C6 H12 121.343
H9 C5 H10 117.314 H11 C6 H12 117.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability