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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-231.489889
Energy at 298.15K-231.493481
HF Energy-230.625695
Nuclear repulsion energy189.347744
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3179 3037 0.00      
2 A1' 1911 1826 0.00      
3 A1' 1507 1439 0.00      
4 A1' 792 757 0.00      
5 A1" 734 701 0.00      
6 A2' 3270 3124 0.00      
7 A2' 1113 1063 0.00      
8 A2' 502 479 0.00      
9 A2" 741 708 132.53      
10 A2" 125 120 2.71      
11 E' 3270 3124 8.92      
11 E' 3270 3124 8.92      
12 E' 3179 3037 11.88      
12 E' 3179 3037 11.88      
13 E' 1707 1631 5.27      
13 E' 1707 1631 5.27      
14 E' 1471 1405 10.58      
14 E' 1471 1405 10.58      
15 E' 1145 1094 5.50      
15 E' 1145 1094 5.50      
16 E' 800 764 11.26      
16 E' 800 764 11.26      
17 E' 222 212 0.00      
17 E' 222 212 0.00      
18 E" 781 746 0.00      
18 E" 781 746 0.00      
19 E" 650 621 0.00      
19 E" 650 621 0.00      
20 E" 136 130 0.00      
20 E" 136 130 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20299.8 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 19392.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/TZVP
ABC
0.13799 0.13799 0.06900

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.836 0.000
C2 0.724 -0.418 0.000
C3 -0.724 -0.418 0.000
C4 0.000 2.167 0.000
C5 1.877 -1.083 0.000
C6 -1.877 -1.083 0.000
H7 -0.927 2.726 0.000
H8 0.927 2.726 0.000
H9 2.824 -0.560 0.000
H10 1.897 -2.166 0.000
H11 -1.897 -2.166 0.000
H12 -2.824 -0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44781.44781.33112.68442.68442.10512.10513.15013.55093.55093.1501
C21.44781.44782.68441.33112.68443.55093.15012.10512.10513.15013.5509
C31.44781.44782.68442.68441.33113.15013.55093.55093.15012.10512.1051
C41.33112.68442.68443.75333.75331.08271.08273.92564.72994.72993.9256
C52.68441.33112.68443.75333.75334.72993.92561.08271.08273.92564.7299
C62.68442.68441.33113.75333.75333.92564.72994.72993.92561.08271.0827
H72.10513.55093.15011.08274.72993.92561.85494.98675.64834.98673.7934
H82.10513.15013.55091.08273.92564.72991.85493.79344.98675.64834.9867
H93.15012.10513.55093.92561.08274.72994.98673.79341.85494.98675.6483
H103.55092.10513.15014.72991.08273.92565.64834.98671.85493.79344.9867
H113.55093.15012.10514.72993.92561.08274.98675.64834.98673.79341.8549
H123.15013.55092.10513.92564.72991.08273.79344.98675.64834.98671.8549

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 121.060 C1 C4 H8 121.060
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.060
C2 C5 H10 121.060 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.060
C3 C6 H12 121.060 H7 C4 H8 117.879
H9 C5 H10 117.879 H11 C6 H12 117.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability