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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-231.036589
Energy at 298.15K-231.040716
HF Energy-230.460556
Nuclear repulsion energy186.499525
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 CCD/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' 3128 3001 0.00      
2 A1' 1897 1820 0.00      
3 A1' 1514 1453 0.00      
4 A1' 767 736 0.00      
5 A1" 744 713 0.00      
6 A2' 3210 3080 0.00      
7 A2' 1126 1081 0.00      
8 A2' 522 501 0.00      
9 A2" 899 862 134.16      
10 A2" 171 164 5.30      
11 E' 3211 3081 21.50      
11 E' 3211 3081 21.50      
12 E' 3126 3000 17.72      
12 E' 3126 3000 17.72      
13 E' 1695 1626 6.93      
13 E' 1695 1626 6.93      
14 E' 1478 1418 7.41      
14 E' 1478 1418 7.41      
15 E' 1154 1107 5.82      
15 E' 1154 1107 5.82      
16 E' 771 740 6.77      
16 E' 771 740 6.77      
17 E' 226 217 0.12      
17 E' 226 217 0.12      
18 E" 889 853 0.00      
18 E" 889 853 0.00      
19 E" 734 704 0.00      
19 E" 734 704 0.00      
20 E" 233 224 0.00      
20 E" 233 224 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20505.5 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 19675.1 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 CCD/6-31G
ABC
0.13372 0.13372 0.06686

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.854 0.000
C2 0.739 -0.427 0.000
C3 -0.739 -0.427 0.000
C4 0.000 2.200 0.000
C5 1.905 -1.100 0.000
C6 -1.905 -1.100 0.000
H7 -0.930 2.773 0.000
H8 0.930 2.773 0.000
H9 2.867 -0.581 0.000
H10 1.936 -2.192 0.000
H11 -1.936 -2.192 0.000
H12 -2.867 -0.581 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47851.47851.34602.72852.72852.13302.13303.20553.60923.60923.2055
C21.47851.47852.72851.34602.72853.60923.20552.13302.13303.20553.6092
C31.47851.47852.72852.72851.34603.20553.60923.60923.20552.13302.1330
C41.34602.72852.72853.80983.80981.09281.09283.99354.79974.79973.9935
C52.72851.34602.72853.80983.80984.79973.99351.09281.09283.99354.7997
C62.72852.72851.34603.80983.80983.99354.79974.79973.99351.09281.0928
H72.13303.60923.20551.09284.79973.99351.86065.06615.73335.06613.8727
H82.13303.20553.60921.09283.99354.79971.86063.87275.06615.73335.0661
H93.20552.13303.60923.99351.09284.79975.06613.87271.86065.06615.7333
H103.60922.13303.20554.79971.09283.99355.73335.06611.86063.87275.0661
H113.60923.20552.13304.79973.99351.09285.06615.73335.06613.87271.8606
H123.20553.60922.13303.99354.79971.09283.87275.06615.73335.06611.8606

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 121.648 C1 C4 H8 121.648
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.648
C2 C5 H10 121.648 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.648
C3 C6 H12 121.648 H7 C4 H8 116.705
H9 C5 H10 116.705 H11 C6 H12 116.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability