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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-230.466855
Energy at 298.15K-230.471919
HF Energy-230.466855
Nuclear repulsion energy190.279264
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/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' 3330 3006 0.00      
2 A1' 2089 1886 0.00      
3 A1' 1630 1472 0.00      
4 A1' 841 759 0.00      
5 A1" 833 752 0.00      
6 A2' 3415 3084 0.00      
7 A2' 1238 1118 0.00      
8 A2' 575 519 0.00      
9 A2" 1099 993 186.52      
10 A2" 234 211 9.44      
11 E' 3416 3085 16.41      
11 E' 3416 3085 16.41      
12 E' 3328 3005 18.09      
12 E' 3328 3005 18.09      
13 E' 1871 1690 5.60      
13 E' 1871 1690 5.60      
14 E' 1597 1442 15.33      
14 E' 1597 1442 15.33      
15 E' 1260 1137 17.96      
15 E' 1260 1137 17.96      
16 E' 854 771 19.05      
16 E' 854 771 19.05      
17 E' 250 225 0.00      
17 E' 250 225 0.00      
18 E" 1099 992 0.00      
18 E" 1099 992 0.00      
19 E" 866 782 0.00      
19 E" 866 782 0.00      
20 E" 396 357 0.00      
20 E" 396 357 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22578.4 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 20386.1 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/6-31G
ABC
0.13925 0.13925 0.06963

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.838 0.000
C2 0.725 -0.419 0.000
C3 -0.725 -0.419 0.000
C4 0.000 2.155 0.000
C5 1.866 -1.078 0.000
C6 -1.866 -1.078 0.000
H7 -0.915 2.715 0.000
H8 0.915 2.715 0.000
H9 2.809 -0.565 0.000
H10 1.894 -2.150 0.000
H11 -1.894 -2.150 0.000
H12 -2.809 -0.565 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45091.45091.31752.67422.67422.08872.08873.13973.53753.53753.1397
C21.45091.45092.67421.31752.67423.53753.13972.08872.08873.13973.5375
C31.45091.45092.67422.67421.31753.13973.53753.53753.13972.08872.0887
C41.31752.67422.67423.73283.73281.07311.07313.91014.70354.70353.9101
C52.67421.31752.67423.73283.73284.70353.91011.07311.07313.91014.7035
C62.67422.67421.31753.73283.73283.91014.70354.70353.91011.07311.0731
H72.08873.53753.13971.07314.70353.91011.83084.96285.61814.96283.7874
H82.08873.13973.53751.07313.91014.70351.83083.78744.96285.61814.9628
H93.13972.08873.53753.91011.07314.70354.96283.78741.83084.96285.6181
H103.53752.08873.13974.70351.07313.91015.61814.96281.83083.78744.9628
H113.53753.13972.08874.70353.91011.07314.96285.61814.96283.78741.8308
H123.13973.53752.08873.91014.70351.07313.78744.96285.61814.96281.8308

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 121.456 C1 C4 H8 121.456
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.456
C2 C5 H10 121.456 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.456
C3 C6 H12 121.456 H7 C4 H8 117.088
H9 C5 H10 117.088 H11 C6 H12 117.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 C 0.023      
3 C 0.023      
4 C -0.379      
5 C -0.379      
6 C -0.379      
7 H 0.178      
8 H 0.178      
9 H 0.178      
10 H 0.178      
11 H 0.178      
12 H 0.178      


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 -31.480 0.000 0.000
y 0.000 -31.480 0.000
z 0.000 0.000 -40.125
Traceless
 xyz
x 4.322 0.000 0.000
y 0.000 4.322 0.000
z 0.000 0.000 -8.644
Polar
3z2-r2-17.289
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 13.645 0.000 0.000
y 0.000 13.645 0.000
z 0.000 0.000 2.823


<r2> (average value of r2) Å2
<r2> 166.955
(<r2>)1/2 12.921