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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-229.260412
Energy at 298.15K-229.265490
HF Energy-229.260412
Nuclear repulsion energy190.854686
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 HF/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' 3321 2998 0.00      
2 A1' 2056 1855 0.00      
3 A1' 1638 1478 0.00      
4 A1' 817 737 0.00      
5 A1" 841 759 0.00      
6 A2' 3399 3068 0.00      
7 A2' 1238 1117 0.00      
8 A2' 568 512 0.00      
9 A2" 1101 993 178.79      
10 A2" 243 220 12.28      
11 E' 3400 3069 9.60      
11 E' 3400 3069 9.60      
12 E' 3320 2997 12.30      
12 E' 3320 2997 12.30      
13 E' 1864 1683 6.81      
13 E' 1864 1683 6.81      
14 E' 1606 1450 14.06      
14 E' 1606 1450 14.06      
15 E' 1264 1141 19.28      
15 E' 1264 1141 19.28      
16 E' 836 755 18.93      
16 E' 836 755 18.93      
17 E' 249 225 0.02      
17 E' 249 225 0.02      
18 E" 1102 994 0.00      
18 E" 1102 994 0.00      
19 E" 878 793 0.00      
19 E" 878 793 0.00      
20 E" 403 364 0.00      
20 E" 403 364 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22533.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 20338.9 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 HF/3-21G*
ABC
0.14019 0.14019 0.07009

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.838 0.000
C2 0.726 -0.419 0.000
C3 -0.726 -0.419 0.000
C4 0.000 2.147 0.000
C5 1.859 -1.073 0.000
C6 -1.859 -1.073 0.000
H7 -0.916 2.705 0.000
H8 0.916 2.705 0.000
H9 2.801 -0.559 0.000
H10 1.885 -2.146 0.000
H11 -1.885 -2.146 0.000
H12 -2.801 -0.559 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45101.45101.30902.66632.66632.08002.08003.12993.52913.52913.1299
C21.45101.45102.66631.30902.66633.52913.12992.08002.08003.12993.5291
C31.45101.45102.66632.66631.30903.12993.52913.52913.12992.08002.0800
C41.30902.66632.66633.71833.71831.07281.07283.89464.68824.68823.8946
C52.66631.30902.66633.71833.71834.68823.89461.07281.07283.89464.6882
C62.66632.66631.30903.71833.71833.89464.68824.68823.89461.07281.0728
H72.08003.52913.12991.07284.68823.89461.83204.94705.60164.94703.7696
H82.08003.12993.52911.07283.89464.68821.83203.76964.94705.60164.9470
H93.12992.08003.52913.89461.07284.68824.94703.76961.83204.94705.6016
H103.52912.08003.12994.68821.07283.89465.60164.94701.83203.76964.9470
H113.52913.12992.08004.68823.89461.07284.94705.60164.94703.76961.8320
H123.12993.52912.08003.89464.68821.07283.76964.94705.60164.94701.8320

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 121.371 C1 C4 H8 121.371
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.371
C2 C5 H10 121.371 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.371
C3 C6 H12 121.371 H7 C4 H8 117.258
H9 C5 H10 117.258 H11 C6 H12 117.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.059      
2 C 0.059      
3 C 0.059      
4 C -0.515      
5 C -0.515      
6 C -0.515      
7 H 0.228      
8 H 0.228      
9 H 0.228      
10 H 0.228      
11 H 0.228      
12 H 0.228      


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 -31.158 0.000 0.000
y 0.000 -31.158 0.000
z 0.000 0.000 -40.850
Traceless
 xyz
x 4.846 0.000 0.000
y 0.000 4.846 0.000
z 0.000 0.000 -9.693
Polar
3z2-r2-19.386
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 12.977 0.000 0.000
y 0.000 12.977 0.000
z 0.000 0.000 2.248


<r2> (average value of r2) Å2
<r2> 166.011
(<r2>)1/2 12.885