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

using model chemistry: CCSD(T)/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)/cc-pVTZ
 hartrees
Energy at 0K-231.702349
Energy at 298.15K 
HF Energy-230.677000
Nuclear repulsion energy174.619400
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)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.85896 0.04531 0.04304

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.609 0.000
C2 0.000 -0.609 0.000
C3 0.000 2.039 0.000
C4 0.000 -2.039 0.000
C5 1.120 2.784 0.000
C6 -1.120 -2.784 0.000
H7 -0.970 2.525 0.000
H8 0.970 -2.525 0.000
H9 2.101 2.324 0.000
H10 1.063 3.864 0.000
H11 -2.101 -2.324 0.000
H12 -1.063 -3.864 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21841.42992.64832.44623.57312.14743.28102.71183.42443.60804.5982
C21.21842.64831.42993.57312.44623.28102.14743.60804.59822.71183.4244
C31.42992.64834.07821.34524.95131.08484.66622.11982.11234.84275.9984
C42.64831.42994.07824.95131.34524.66621.08484.84275.99842.11982.1123
C52.44623.57311.34524.95136.00142.10605.31111.08261.08216.03876.9975
C63.57312.44624.95131.34526.00145.31112.10606.03876.99751.08261.0821
H72.14743.28101.08484.66622.10605.31115.41003.07692.43454.97966.3902
H83.28102.14744.66621.08485.31112.10605.41004.97966.39023.07692.4345
H92.71183.60802.11984.84271.08266.03873.07694.97961.85686.26566.9505
H103.42444.59822.11235.99841.08216.99752.43456.39021.85686.95058.0159
H113.60802.71184.84272.11986.03871.08264.97963.07696.26566.95051.8568
H124.59823.42445.99842.11236.99751.08216.39022.43456.95058.01591.8568

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 123.612
C1 C3 H7 116.621 C2 C1 C3 180.000
C2 C4 C6 123.612 C2 C4 H8 116.621
C3 C5 H9 121.274 C3 C5 H10 120.593
C4 C6 H11 121.274 C4 C6 H12 120.593
C5 C3 H7 119.767 C6 C4 H8 119.767
H9 C5 H10 118.133 H11 C6 H12 118.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability