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

using model chemistry: QCISD(T)=FULL/Def2TZVPP

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(T)=FULL/Def2TZVPP
 hartrees
Energy at 0K-231.803366
Energy at 298.15K 
HF Energy-230.662327
Nuclear repulsion energy176.229353
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(T)=FULL/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/Def2TZVPP
ABC
1.06065 0.04539 0.04432

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.331 0.656 0.000
C2 0.331 -0.656 0.000
C3 0.331 1.795 0.000
C4 -0.331 -1.795 0.000
C5 0.998 2.924 0.000
C6 -0.998 -2.924 0.000
H7 -1.414 0.672 0.000
H8 1.414 -0.672 0.000
H9 1.280 3.406 0.927
H10 1.280 3.406 -0.927
H11 -1.280 -3.406 0.927
H12 -1.280 -3.406 -0.927

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46881.31782.45102.62903.64151.08302.19213.31933.31934.27264.2726
C21.46882.45101.31783.64152.62902.19211.08304.27264.27263.31933.3193
C31.31782.45103.65101.31124.90302.07502.69422.08662.08665.52315.5231
C42.45101.31783.65104.90301.31122.69422.07505.52315.52312.08662.0866
C52.62903.64151.31124.90306.17963.29983.62001.08201.08206.79096.7909
C63.64152.62904.90301.31126.17963.62003.29986.79096.79091.08201.0820
H71.08302.19212.07502.69423.29983.62003.13033.94863.94864.18354.1835
H82.19211.08302.69422.07503.62003.29983.13034.18354.18353.94863.9486
H93.31934.27262.08665.52311.08206.79093.94864.18351.85387.27687.5092
H103.31934.27262.08665.52311.08206.79093.94864.18351.85387.50927.2768
H114.27263.31935.52312.08666.79091.08204.18353.94867.27687.50921.8538
H124.27263.31935.52312.08666.79091.08204.18353.94867.50927.27681.8538

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 123.088 C1 C2 H8 117.624
C1 C3 C5 179.569 C2 C1 C3 123.088
C2 C1 H7 117.624 C2 C4 C6 179.569
C3 C1 H7 119.288 C3 C5 H9 121.059
C3 C5 H10 121.059 C4 C2 H8 119.288
C4 C6 H11 121.059 C4 C6 H12 121.059
H9 C5 H10 117.882 H11 C6 H12 117.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability