return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: CCSD=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at CCSD=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-231.740018
Energy at 298.15K 
HF Energy-230.636982
Nuclear repulsion energy190.239016
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=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pVTZ
ABC
0.13932 0.13932 0.06966

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.832 0.000
C2 0.720 -0.416 0.000
C3 -0.720 -0.416 0.000
C4 0.000 2.157 0.000
C5 1.868 -1.078 0.000
C6 -1.868 -1.078 0.000
H7 -0.925 2.712 0.000
H8 0.925 2.712 0.000
H9 2.811 -0.555 0.000
H10 1.886 -2.157 0.000
H11 -1.886 -2.157 0.000
H12 -2.811 -0.555 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44081.44081.32492.67172.67172.09482.09483.13423.53383.53383.1342
C21.44081.44082.67171.32492.67173.53383.13422.09482.09483.13423.5338
C31.44081.44082.67172.67171.32493.13423.53383.53383.13422.09482.0948
C41.32492.67172.67173.73573.73571.07831.07833.90564.70764.70763.9056
C52.67171.32492.67173.73573.73574.70763.90561.07831.07833.90564.7076
C62.67172.67171.32493.73573.73573.90564.70764.70763.90561.07831.0783
H72.09483.53383.13421.07834.70763.90561.84924.96225.62124.96223.7720
H82.09483.13423.53381.07833.90564.70761.84923.77204.96225.62124.9622
H93.13422.09483.53383.90561.07834.70764.96223.77201.84924.96225.6212
H103.53382.09483.13424.70761.07833.90565.62124.96221.84923.77204.9622
H113.53383.13422.09484.70763.90561.07834.96225.62124.96223.77201.8492
H123.13423.53382.09483.90564.70761.07833.77204.96225.62124.96221.8492

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 120.966 C1 C4 H8 120.966
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 120.966
C2 C5 H10 120.966 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 120.966
C3 C6 H12 120.966 H7 C4 H8 118.069
H9 C5 H10 118.069 H11 C6 H12 118.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability