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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-231.202091
Energy at 298.15K-231.206806
HF Energy-230.555006
Nuclear repulsion energy190.178573
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 CID/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' 3284 3033 0.00      
2 A1' 2022 1868 0.00      
3 A1' 1557 1439 0.00      
4 A1' 837 773 0.00      
5 A1" 794 734 0.00      
6 A2' 3371 3114 0.00      
7 A2' 1157 1069 0.00      
8 A2' 530 490 0.00      
9 A2" 971 897 138.76      
10 A2" 219 202 5.39      
11 E' 3372 3114 8.73      
11 E' 3372 3114 8.73      
12 E' 3283 3033 10.09      
12 E' 3283 3033 10.09      
13 E' 1815 1676 7.47      
13 E' 1815 1676 7.47      
14 E' 1524 1407 10.68      
14 E' 1524 1407 10.68      
15 E' 1192 1101 7.78      
15 E' 1192 1101 7.78      
16 E' 844 780 9.31      
16 E' 844 780 9.31      
17 E' 233 215 0.01      
17 E' 233 215 0.01      
18 E" 963 890 0.00      
18 E" 963 890 0.00      
19 E" 814 752 0.00      
19 E" 814 752 0.00      
20 E" 354 327 0.00      
20 E" 354 327 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21764.0 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 20103.4 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 CID/6-31G*
ABC
0.13924 0.13924 0.06962

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.834 0.000
C2 0.722 -0.417 0.000
C3 -0.722 -0.417 0.000
C4 0.000 2.156 0.000
C5 1.867 -1.078 0.000
C6 -1.867 -1.078 0.000
H7 -0.923 2.717 0.000
H8 0.923 2.717 0.000
H9 2.814 -0.559 0.000
H10 1.891 -2.157 0.000
H11 -1.891 -2.157 0.000
H12 -2.814 -0.559 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44401.44401.32232.67222.67222.09682.09683.13993.53883.53883.1399
C21.44401.44402.67221.32232.67223.53883.13992.09682.09683.13993.5388
C31.44401.44402.67222.67221.32233.13993.53883.53883.13992.09682.0968
C41.32232.67222.67223.73433.73431.07951.07953.91044.70974.70973.9104
C52.67221.32232.67223.73433.73434.70973.91041.07951.07953.91044.7097
C62.67222.67221.32233.73433.73433.91044.70974.70973.91041.07951.0795
H72.09683.53883.13991.07954.70973.91041.84514.96935.62794.96933.7828
H82.09683.13993.53881.07953.91044.70971.84513.78284.96935.62794.9693
H93.13992.09683.53883.91041.07954.70974.96933.78281.84514.96935.6279
H103.53882.09683.13994.70971.07953.91045.62794.96931.84513.78284.9693
H113.53883.13992.09684.70973.91041.07954.96935.62794.96933.78281.8451
H123.13993.53882.09683.91044.70971.07953.78284.96935.62794.96931.8451

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 121.288 C1 C4 H8 121.288
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.288
C2 C5 H10 121.288 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.288
C3 C6 H12 121.288 H7 C4 H8 117.424
H9 C5 H10 117.424 H11 C6 H12 117.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability