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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-231.385892
Energy at 298.15K-231.390341
HF Energy-230.564390
Nuclear repulsion energy189.282185
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=FULL/6-31G**
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' 3236 3024 0.00      
2 A1' 1920 1794 0.00      
3 A1' 1522 1423 0.00      
4 A1' 806 753 0.00      
5 A1" 765 715 0.00      
6 A2' 3340 3121 0.00      
7 A2' 1115 1042 0.00      
8 A2' 510 477 0.00      
9 A2" 876 818 115.51      
10 A2" 205 192 4.14      
11 E' 3340 3121 7.16      
11 E' 3340 3121 7.16      
12 E' 3236 3023 5.89      
12 E' 3236 3023 5.89      
13 E' 1706 1594 8.74      
13 E' 1706 1594 8.74      
14 E' 1485 1387 6.27      
14 E' 1485 1387 6.27      
15 E' 1150 1075 2.14      
15 E' 1150 1075 2.14      
16 E' 819 766 4.31      
16 E' 819 766 4.31      
17 E' 222 208 0.01      
17 E' 222 208 0.01      
18 E" 868 811 0.00      
18 E" 868 811 0.00      
19 E" 767 717 0.00      
19 E" 767 717 0.00      
20 E" 323 302 0.00      
20 E" 323 302 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21064.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 19682.3 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 MP2=FULL/6-31G**
ABC
0.13781 0.13781 0.06890

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.833 0.000
C2 0.721 -0.417 0.000
C3 -0.721 -0.417 0.000
C4 0.000 2.170 0.000
C5 1.879 -1.085 0.000
C6 -1.879 -1.085 0.000
H7 -0.926 2.727 0.000
H8 0.926 2.727 0.000
H9 2.824 -0.562 0.000
H10 1.898 -2.165 0.000
H11 -1.898 -2.165 0.000
H12 -2.824 -0.562 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44281.44281.33712.68532.68532.10792.10793.14993.54873.54873.1499
C21.44281.44282.68531.33712.68533.54873.14992.10792.10793.14993.5487
C31.44281.44282.68532.68531.33713.14993.54873.54873.14992.10792.1079
C41.33712.68532.68533.75863.75861.08031.08033.92924.73274.73273.9292
C52.68531.33712.68533.75863.75864.73273.92921.08031.08033.92924.7327
C62.68532.68531.33713.75863.75863.92924.73274.73273.92921.08031.0803
H72.10793.54873.14991.08034.73273.92921.85164.98765.64864.98763.7970
H82.10793.14993.54871.08033.92924.73271.85163.79704.98765.64864.9876
H93.14992.10793.54873.92921.08034.73274.98763.79701.85164.98765.6486
H103.54872.10793.14994.73271.08033.92925.64864.98761.85163.79704.9876
H113.54873.14992.10794.73273.92921.08034.98765.64864.98763.79701.8516
H123.14993.54872.10793.92924.73271.08033.79704.98765.64864.98761.8516

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 121.017 C1 C4 H8 121.017
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.017
C2 C5 H10 121.017 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.017
C3 C6 H12 121.017 H7 C4 H8 117.967
H9 C5 H10 117.967 H11 C6 H12 117.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability