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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at G4
 hartrees
Energy at 0K-231.960232
Energy at 298.15K-231.953132
HF Energy-232.133579
Nuclear repulsion energy189.776775
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 B3LYP/6-31G(2df,p)
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' 3148 3038 0.00      
2 A1' 1896 1829 0.00      
3 A1' 1482 1430 0.00      
4 A1' 799 771 0.00      
5 A1" 754 728 0.00      
6 A2' 3233 3119 0.00      
7 A2' 1106 1067 0.00      
8 A2' 511 493 0.00      
9 A2" 906 874 102.54      
10 A2" 223 215 3.81      
11 E' 3233 3120 7.25      
11 E' 3233 3120 7.25      
12 E' 3148 3038 9.37      
12 E' 3148 3038 9.37      
13 E' 1690 1631 4.03      
13 E' 1690 1631 4.03      
14 E' 1448 1398 7.75      
14 E' 1448 1398 7.75      
15 E' 1131 1092 3.37      
15 E' 1131 1092 3.37      
16 E' 802 773 6.43      
16 E' 802 773 6.43      
17 E' 226 218 0.02      
17 E' 226 218 0.02      
18 E" 902 870 0.00      
18 E" 902 870 0.00      
19 E" 774 747 0.00      
19 E" 774 747 0.00      
20 E" 351 339 0.00      
20 E" 351 339 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20732.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20007.2 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 B3LYP/6-31G(2df,p)
ABC
0.13869 0.13869 0.06935

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.831 0.000
C2 0.720 -0.416 0.000
C3 -0.720 -0.416 0.000
C4 0.000 2.161 0.000
C5 1.871 -1.080 0.000
C6 -1.871 -1.080 0.000
H7 -0.926 2.725 0.000
H8 0.926 2.725 0.000
H9 2.823 -0.560 0.000
H10 1.897 -2.165 0.000
H11 -1.897 -2.165 0.000
H12 -2.823 -0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44011.44011.32962.67542.67542.10822.10823.14773.54623.54623.1477
C21.44011.44012.67541.32962.67543.54623.14772.10822.10823.14773.5462
C31.44011.44012.67542.67541.32963.14773.54623.54623.14772.10822.1082
C41.32962.67542.67543.74293.74291.08461.08463.92134.72344.72343.9213
C52.67541.32962.67543.74293.74294.72343.92131.08461.08463.92134.7234
C62.67542.67541.32963.74293.74293.92134.72344.72343.92131.08461.0846
H72.10823.54623.14771.08464.72343.92131.85254.98545.64644.98543.7939
H82.10823.14773.54621.08463.92134.72341.85253.79394.98545.64644.9854
H93.14772.10823.54623.92131.08464.72344.98543.79391.85254.98545.6464
H103.54622.10823.14774.72341.08463.92135.64644.98541.85253.79394.9854
H113.54623.14772.10824.72343.92131.08464.98545.64644.98543.79391.8525
H123.14773.54622.10823.92134.72341.08463.79394.98545.64644.98541.8525

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 121.227 C1 C4 H8 121.227
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.227
C2 C5 H10 121.227 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.227
C3 C6 H12 121.227 H7 C4 H8 117.547
H9 C5 H10 117.547 H11 C6 H12 117.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.197      
2 C 0.197      
3 C 0.197      
4 C -0.437      
5 C -0.437      
6 C -0.437      
7 H 0.120      
8 H 0.120      
9 H 0.120      
10 H 0.120      
11 H 0.120      
12 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 167.367
(<r2>)1/2 12.937