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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: HF/CEP-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/CEP-31G
 hartrees
Energy at 0K-36.151534
Energy at 298.15K-36.156407
HF Energy-36.151534
Nuclear repulsion energy94.576529
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/CEP-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' 3344 3015 0.00      
2 A1' 2075 1871 0.00      
3 A1' 1602 1444 0.00      
4 A1' 827 746 0.00      
5 A1" 807 728 0.00      
6 A2' 3432 3094 0.00      
7 A2' 1155 1041 0.00      
8 A2' 509 459 0.00      
9 A2" 1078 972 247.09      
10 A2" 230 207 16.00      
11 E' 3435 3096 32.83      
11 E' 3435 3096 32.83      
12 E' 3342 3013 33.20      
12 E' 3342 3013 33.20      
13 E' 1847 1665 3.08      
13 E' 1847 1665 3.08      
14 E' 1566 1412 20.05      
14 E' 1566 1412 20.05      
15 E' 1210 1090 20.93      
15 E' 1210 1090 20.93      
16 E' 830 748 21.55      
16 E' 830 748 21.55      
17 E' 234 211 0.01      
17 E' 234 211 0.01      
18 E" 1073 967 0.00      
18 E" 1073 967 0.00      
19 E" 836 753 0.00      
19 E" 836 753 0.00      
20 E" 387 349 0.00      
20 E" 387 349 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22289.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 20091.3 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/CEP-31G
ABC
0.13380 0.13380 0.06690

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.853 0.000
C2 0.739 -0.427 0.000
C3 -0.739 -0.427 0.000
C4 0.000 2.202 0.000
C5 1.907 -1.101 0.000
C6 -1.907 -1.101 0.000
H7 -0.925 2.758 0.000
H8 0.925 2.758 0.000
H9 2.852 -0.578 0.000
H10 1.926 -2.180 0.000
H11 -1.926 -2.180 0.000
H12 -2.852 -0.578 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47771.47771.34902.73072.73072.11812.11813.19053.59363.59363.1905
C21.47771.47772.73071.34902.73073.59363.19052.11802.11813.19053.5936
C31.47771.47772.73072.73071.34903.19053.59363.59363.19052.11812.1180
C41.34902.73072.73073.81433.81431.07951.07953.98264.78734.78733.9826
C52.73071.34902.73073.81433.81434.78733.98261.07951.07953.98264.7873
C62.73072.73071.34903.81433.81433.98264.78734.78733.98261.07951.0795
H72.11813.59363.19051.07954.78733.98261.85035.03945.70305.03943.8527
H82.11813.19053.59361.07953.98264.78731.85033.85275.03945.70305.0394
H93.19052.11803.59363.98261.07954.78735.03943.85271.85035.03945.7030
H103.59362.11813.19054.78731.07953.98265.70305.03941.85033.85275.0394
H113.59363.19052.11814.78733.98261.07955.03945.70305.03943.85271.8503
H123.19053.59362.11803.98264.78731.07953.85275.03945.70305.03941.8503

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 121.018 C1 C4 H8 121.018
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.018
C2 C5 H10 121.018 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.018
C3 C6 H12 121.018 H7 C4 H8 117.963
H9 C5 H10 117.963 H11 C6 H12 117.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 C -0.406      
3 C -0.406      
4 C 0.053      
5 C 0.053      
6 C 0.053      
7 H 0.176      
8 H 0.176      
9 H 0.176      
10 H 0.176      
11 H 0.176      
12 H 0.176      


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 -31.473 0.000 0.000
y 0.000 -31.473 0.000
z 0.000 0.000 -41.179
Traceless
 xyz
x 4.853 0.000 0.000
y 0.000 4.853 0.000
z 0.000 0.000 -9.707
Polar
3z2-r2-19.414
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 14.598 0.000 0.000
y 0.000 14.598 0.000
z 0.000 0.000 3.455


<r2> (average value of r2) Å2
<r2> 139.401
(<r2>)1/2 11.807