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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-230.845127
Energy at 298.15K-230.849679
HF Energy-230.845127
Nuclear repulsion energy188.630667
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 TPSSh/3-21G*
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' 3152 3044 0.00      
2 A1' 1874 1810 0.00      
3 A1' 1532 1479 0.00      
4 A1' 770 743 0.00      
5 A1" 764 738 0.00      
6 A2' 3234 3123 0.00      
7 A2' 1134 1095 0.00      
8 A2' 511 493 0.00      
9 A2" 928 896 168.50      
10 A2" 218 210 9.11      
11 E' 3235 3124 11.12      
11 E' 3235 3124 11.11      
12 E' 3151 3043 13.15      
12 E' 3151 3043 13.15      
13 E' 1683 1626 3.81      
13 E' 1683 1626 3.81      
14 E' 1497 1446 7.31      
14 E' 1497 1446 7.31      
15 E' 1164 1124 7.71      
15 E' 1164 1124 7.71      
16 E' 780 753 5.83      
16 E' 780 753 5.83      
17 E' 227 220 0.15      
17 E' 227 220 0.15      
18 E" 923 891 0.00      
18 E" 923 891 0.00      
19 E" 781 754 0.00      
19 E" 781 754 0.00      
20 E" 348 336 0.00      
20 E" 348 336 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20847.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 20132.5 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 TPSSh/3-21G*
ABC
0.13694 0.13694 0.06847

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.841 0.000
C2 0.729 -0.421 0.000
C3 -0.729 -0.421 0.000
C4 0.000 2.174 0.000
C5 1.883 -1.087 0.000
C6 -1.883 -1.087 0.000
H7 -0.928 2.738 0.000
H8 0.928 2.738 0.000
H9 2.835 -0.565 0.000
H10 1.907 -2.173 0.000
H11 -1.907 -2.173 0.000
H12 -2.835 -0.565 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45751.45751.33272.69532.69532.11162.11163.16513.56713.56713.1651
C21.45751.45752.69531.33272.69533.56713.16512.11162.11163.16513.5671
C31.45751.45752.69532.69531.33273.16513.56713.56713.16512.11162.1116
C41.33272.69532.69533.76583.76581.08621.08623.94244.74714.74713.9424
C52.69531.33272.69533.76583.76584.74713.94241.08621.08623.94244.7471
C62.69532.69531.33273.76583.76583.94244.74714.74713.94241.08621.0862
H72.11163.56713.16511.08624.74713.94241.85685.00765.67085.00763.8141
H82.11163.16513.56711.08623.94244.74711.85683.81415.00765.67085.0076
H93.16512.11163.56713.94241.08624.74715.00763.81411.85685.00765.6708
H103.56712.11163.16514.74711.08623.94245.67085.00761.85683.81415.0076
H113.56713.16512.11164.74713.94241.08625.00765.67085.00763.81411.8568
H123.16513.56712.11163.94244.74711.08623.81415.00765.67085.00761.8568

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 121.273 C1 C4 H8 121.273
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.273
C2 C5 H10 121.273 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.273
C3 C6 H12 121.273 H7 C4 H8 117.454
H9 C5 H10 117.454 H11 C6 H12 117.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 C 0.107      
3 C 0.107      
4 C -0.539      
5 C -0.539      
6 C -0.539      
7 H 0.216      
8 H 0.216      
9 H 0.216      
10 H 0.216      
11 H 0.216      
12 H 0.216      


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 13.305 0.000 0.000
y 0.000 13.305 0.000
z 0.000 0.000 2.402


<r2> (average value of r2) Å2
<r2> 169.120
(<r2>)1/2 13.005