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All results from a given calculation for C6H6 (Benzene)

using model chemistry: MP2/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D6H 1A1g
Energy calculated at MP2/cc-pVQZ
 hartrees
Energy at 0K-231.802750
Energy at 298.15K 
HF Energy-230.794099
Nuclear repulsion energy204.015827
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 MP2/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pVQZ
ABC
0.19120 0.19120 0.09560

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVQZ

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.391 0.000
C2 1.205 0.696 0.000
C3 1.205 -0.696 0.000
C4 0.000 -1.391 0.000
C5 -1.205 -0.696 0.000
C6 -1.205 0.696 0.000
H7 0.000 2.472 0.000
H8 2.141 1.236 0.000
H9 2.141 -1.236 0.000
H10 0.000 -2.472 0.000
H11 -2.141 -1.236 0.000
H12 -2.141 1.236 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39132.40992.78272.40991.39131.08082.14663.38933.86353.38932.1466
C21.39131.39132.40992.78272.40992.14661.08082.14663.38933.86353.3893
C32.40991.39131.39132.40992.78273.38932.14661.08082.14663.38933.8635
C42.78272.40991.39131.39132.40993.86353.38932.14661.08082.14663.3893
C52.40992.78272.40991.39131.39133.38933.86353.38932.14661.08082.1466
C61.39132.40992.78272.40991.39132.14663.38933.86353.38932.14661.0808
H71.08082.14663.38933.86353.38932.14662.47224.28194.94434.28192.4722
H82.14661.08082.14663.38933.86353.38932.47222.47224.28194.94434.2819
H93.38932.14661.08082.14663.38933.86354.28192.47222.47224.28194.9443
H103.86353.38932.14661.08082.14663.38934.94434.28192.47222.47224.2819
H113.38933.86353.38932.14661.08082.14664.28194.94434.28192.47222.4722
H122.14663.38933.86353.38932.14661.08082.47224.28194.94434.28192.4722

picture of Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.000 C1 C2 H8 120.000
C1 C6 C5 120.000 C1 C6 H12 120.000
C2 C1 C6 120.000 C2 C1 H7 120.000
C2 C3 C4 120.000 C2 C3 H9 120.000
C3 C2 H8 120.000 C3 C4 C5 120.000
C3 C4 H10 120.000 C4 C3 H9 120.000
C4 C5 C6 120.000 C4 C5 H11 120.000
C5 C4 H10 120.000 C5 C6 H12 120.000
C6 C1 H7 120.000 C6 C5 H11 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability