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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-230.938037
Energy at 298.15K-230.942558
HF Energy-230.464988
Nuclear repulsion energy188.230886
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 CISD/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' 3227 3026 0.00      
2 A1' 1987 1863 0.00      
3 A1' 1561 1464 0.00      
4 A1' 804 754 0.00      
5 A1" 786 737 0.00      
6 A2' 3310 3104 0.00      
7 A2' 1169 1096 0.00      
8 A2' 542 508 0.00      
9 A2" 975 914 153.96      
10 A2" 194 182 6.69      
11 E' 3311 3105 17.76      
11 E' 3311 3105 17.76      
12 E' 3224 3023 14.91      
12 E' 3224 3023 14.91      
13 E' 1777 1667 5.30      
13 E' 1777 1667 5.30      
14 E' 1528 1433 9.72      
14 E' 1528 1433 9.72      
15 E' 1196 1122 10.81      
15 E' 1196 1122 10.81      
16 E' 809 759 11.03      
16 E' 809 759 11.03      
17 E' 236 222 0.02      
17 E' 236 222 0.02      
18 E" 967 906 0.00      
18 E" 967 906 0.00      
19 E" 787 738 0.00      
19 E" 787 738 0.00      
20 E" 290 271 0.00      
20 E" 290 271 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21401.5 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 20070.3 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 CISD/6-31G
ABC
0.13625 0.13625 0.06812

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.846 0.000
C2 0.733 -0.423 0.000
C3 -0.733 -0.423 0.000
C4 0.000 2.179 0.000
C5 1.887 -1.089 0.000
C6 -1.887 -1.089 0.000
H7 -0.923 2.747 0.000
H8 0.923 2.747 0.000
H9 2.840 -0.574 0.000
H10 1.917 -2.173 0.000
H11 -1.917 -2.173 0.000
H12 -2.840 -0.574 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46581.46581.33252.70322.70322.11282.11283.17553.57653.57653.1755
C21.46581.46582.70321.33252.70323.57653.17552.11282.11283.17553.5765
C31.46581.46582.70322.70321.33253.17553.57653.57653.17552.11282.1128
C41.33252.70322.70323.77383.77381.08411.08413.95524.75534.75533.9552
C52.70321.33252.70323.77383.77384.75533.95521.08411.08413.95524.7553
C62.70322.70321.33253.77383.77383.95524.75534.75533.95521.08411.0841
H72.11283.57653.17551.08414.75533.95521.84695.01905.68085.01903.8339
H82.11283.17553.57651.08413.95524.75531.84693.83395.01905.68085.0190
H93.17552.11283.57653.95521.08414.75535.01903.83391.84695.01905.6808
H103.57652.11283.17554.75531.08413.95525.68085.01901.84693.83395.0190
H113.57653.17552.11284.75533.95521.08415.01905.68085.01903.83391.8469
H123.17553.57652.11283.95524.75531.08413.83395.01905.68085.01901.8469

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 121.588 C1 C4 H8 121.588
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.588
C2 C5 H10 121.588 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.588
C3 C6 H12 121.588 H7 C4 H8 116.824
H9 C5 H10 116.824 H11 C6 H12 116.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability