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All results from a given calculation for C6H6 (Hexa-1,5-diene-3-yne)

using model chemistry: QCISD/aug-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 QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-231.665973
Energy at 298.15K 
HF Energy-230.680597
Nuclear repulsion energy175.012894
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 QCISD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.86638 0.04546 0.04319

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.605 0.000
C2 0.000 -0.605 0.000
C3 0.000 2.037 0.000
C4 0.000 -2.037 0.000
C5 1.113 2.780 0.000
C6 -1.113 -2.780 0.000
H7 -0.970 2.519 0.000
H8 0.970 -2.519 0.000
H9 2.094 2.324 0.000
H10 1.055 3.859 0.000
H11 -2.094 -2.324 0.000
H12 -1.055 -3.859 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21101.43172.64262.44283.56372.14583.27202.70923.42073.60134.5879
C21.21102.64261.43173.56372.44283.27202.14583.60134.58792.70923.4207
C31.43172.64264.07431.33824.94401.08344.65872.11362.10574.83825.9902
C42.64261.43174.07434.94401.33824.65871.08344.83825.99022.11362.1057
C52.44283.56371.33824.94405.98912.09955.30131.08141.08106.02836.9844
C63.56372.44284.94401.33825.98915.30132.09956.02836.98441.08141.0810
H72.14583.27201.08344.65872.09955.30135.39953.07032.42844.97266.3794
H83.27202.14584.65871.08345.30132.09955.39954.97266.37943.07032.4284
H92.70923.60132.11364.83821.08146.02833.07034.97261.85346.25716.9395
H103.42074.58792.10575.99021.08106.98442.42846.37941.85346.93958.0021
H113.60132.70924.83822.11366.02831.08144.97263.07036.25716.93951.8534
H124.58793.42075.99022.10576.98441.08106.37942.42846.93958.00211.8534

picture of Hexa-1,5-diene-3-yne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 123.717
C1 C3 H7 116.435 C2 C1 C3 180.000
C2 C4 C6 123.717 C2 C4 H8 116.435
C3 C5 H9 121.374 C3 C5 H10 120.643
C4 C6 H11 121.374 C4 C6 H12 120.643
C5 C3 H7 119.848 C6 C4 H8 119.848
H9 C5 H10 117.984 H11 C6 H12 117.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability