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All results from a given calculation for C6H6 (Trimethylenecycopropane)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-231.526862
Energy at 298.15K 
HF Energy-230.581395
Nuclear repulsion energy189.370564
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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G(2df,p)
ABC
0.13804 0.13804 0.06902

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.837 0.000
C2 0.725 -0.418 0.000
C3 -0.725 -0.418 0.000
C4 0.000 2.166 0.000
C5 1.876 -1.083 0.000
C6 -1.876 -1.083 0.000
H7 -0.927 2.726 0.000
H8 0.927 2.726 0.000
H9 2.825 -0.560 0.000
H10 1.897 -2.166 0.000
H11 -1.897 -2.166 0.000
H12 -2.825 -0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44901.44901.32942.68392.68392.10482.10483.15103.55193.55193.1510
C21.44901.44902.68391.32942.68393.55193.15102.10482.10483.15103.5519
C31.44901.44902.68392.68391.32943.15103.55193.55193.15102.10482.1048
C41.32942.68392.68393.75163.75161.08331.08333.92564.72944.72943.9256
C52.68391.32942.68393.75163.75164.72943.92561.08331.08333.92564.7294
C62.68392.68391.32943.75163.75163.92564.72944.72943.92561.08331.0833
H72.10483.55193.15101.08334.72943.92561.85444.98765.64914.98763.7948
H82.10483.15103.55191.08333.92564.72941.85443.79484.98765.64914.9876
H93.15102.10483.55193.92561.08334.72944.98763.79481.85444.98765.6491
H103.55192.10483.15104.72941.08333.92565.64914.98761.85443.79484.9876
H113.55193.15102.10484.72943.92561.08334.98765.64914.98763.79481.8544
H123.15103.55192.10483.92564.72941.08333.79484.98765.64914.98761.8544

picture of Trimethylenecycopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 C5 150.000
C1 C3 C2 60.000 C1 C3 C6 150.000
C1 C4 H7 121.141 C1 C4 H8 121.141
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.141
C2 C5 H10 121.141 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.141
C3 C6 H12 121.141 H7 C4 H8 117.719
H9 C5 H10 117.719 H11 C6 H12 117.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability