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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-232.014327
Energy at 298.15K-232.018867
HF Energy-232.014327
Nuclear repulsion energy189.720371
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 B1B95/6-31+G**
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' 3185 3047 0.00      
2 A1' 1925 1841 0.00      
3 A1' 1478 1414 0.00      
4 A1' 815 779 0.00      
5 A1" 746 713 0.00      
6 A2' 3279 3137 0.00      
7 A2' 1100 1053 0.00      
8 A2' 508 486 0.00      
9 A2" 912 872 151.66      
10 A2" 216 207 8.55      
11 E' 3279 3137 6.64      
11 E' 3279 3137 6.64      
12 E' 3185 3047 9.46      
12 E' 3185 3047 9.46      
13 E' 1715 1641 1.69      
13 E' 1715 1641 1.69      
14 E' 1445 1383 10.09      
14 E' 1445 1383 10.09      
15 E' 1132 1083 5.47      
15 E' 1132 1083 5.47      
16 E' 816 781 6.66      
16 E' 816 781 6.66      
17 E' 224 215 0.00      
17 E' 224 215 0.00      
18 E" 908 868 0.00      
18 E" 908 868 0.00      
19 E" 771 738 0.00      
19 E" 771 738 0.00      
20 E" 345 330 0.00      
20 E" 345 330 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20901.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 19994.4 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 B1B95/6-31+G**
ABC
0.13858 0.13858 0.06929

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.831 0.000
C2 0.719 -0.415 0.000
C3 -0.719 -0.415 0.000
C4 0.000 2.163 0.000
C5 1.873 -1.082 0.000
C6 -1.873 -1.082 0.000
H7 -0.928 2.723 0.000
H8 0.928 2.723 0.000
H9 2.822 -0.558 0.000
H10 1.894 -2.165 0.000
H11 -1.894 -2.165 0.000
H12 -2.822 -0.558 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.43851.43851.33252.67672.67672.10722.10723.14473.54383.54383.1447
C21.43851.43852.67671.33252.67673.54383.14472.10722.10723.14473.5438
C31.43851.43852.67672.67671.33253.14473.54383.54383.14472.10722.1072
C41.33252.67672.67673.74643.74641.08341.08343.91974.72404.72403.9197
C52.67671.33252.67673.74643.74644.72403.91971.08341.08343.91974.7240
C62.67672.67671.33253.74643.74643.91974.72404.72403.91971.08341.0834
H72.10723.54383.14471.08344.72403.91971.85564.98185.64334.98183.7878
H82.10723.14473.54381.08343.91974.72401.85563.78784.98185.64334.9818
H93.14472.10723.54383.91971.08344.72404.98183.78781.85564.98185.6433
H103.54382.10723.14474.72401.08343.91975.64334.98181.85563.78784.9818
H113.54383.14472.10724.72403.91971.08344.98185.64334.98183.78781.8556
H123.14473.54382.10723.91974.72401.08343.78784.98185.64334.98181.8556

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 121.093 C1 C4 H8 121.093
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.093
C2 C5 H10 121.093 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.093
C3 C6 H12 121.093 H7 C4 H8 117.815
H9 C5 H10 117.815 H11 C6 H12 117.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.021      
2 C 0.021      
3 C 0.021      
4 C -0.338      
5 C -0.338      
6 C -0.338      
7 H 0.158      
8 H 0.158      
9 H 0.158      
10 H 0.158      
11 H 0.158      
12 H 0.158      


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
Primitive
 xyz
x -31.566 0.000 0.000
y 0.000 -31.566 0.000
z 0.000 0.000 -40.092
Traceless
 xyz
x 4.263 0.000 0.000
y 0.000 4.263 0.000
z 0.000 0.000 -8.526
Polar
3z2-r2-17.053
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.280 0.000 0.000
y 0.000 15.279 0.000
z 0.000 0.000 6.064


<r2> (average value of r2) Å2
<r2> 167.759
(<r2>)1/2 12.952