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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: B3PW91/6-31+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 B3PW91/6-31+G**
 hartrees
Energy at 0K-232.039989
Energy at 298.15K-232.044503
HF Energy-232.039989
Nuclear repulsion energy189.207121
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 B3PW91/6-31+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' 3166 3040 0.00      
2 A1' 1899 1823 0.00      
3 A1' 1474 1415 0.00      
4 A1' 807 775 0.00      
5 A1" 740 711 0.00      
6 A2' 3259 3129 0.00      
7 A2' 1098 1054 0.00      
8 A2' 507 487 0.00      
9 A2" 901 865 157.09      
10 A2" 216 208 8.41      
11 E' 3259 3129 6.48      
11 E' 3259 3129 6.48      
12 E' 3166 3040 10.33      
12 E' 3166 3040 10.33      
13 E' 1693 1626 1.10      
13 E' 1693 1626 1.10      
14 E' 1440 1383 10.08      
14 E' 1440 1383 10.08      
15 E' 1128 1083 5.30      
15 E' 1128 1083 5.30      
16 E' 808 776 6.48      
16 E' 808 776 6.48      
17 E' 224 215 0.00      
17 E' 224 215 0.00      
18 E" 897 861 0.00      
18 E" 897 861 0.00      
19 E" 766 735 0.00      
19 E" 766 735 0.00      
20 E" 345 331 0.00      
20 E" 345 331 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20757.6 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 19929.4 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 B3PW91/6-31+G**
ABC
0.13782 0.13782 0.06891

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.833 0.000
C2 0.721 -0.416 0.000
C3 -0.721 -0.416 0.000
C4 0.000 2.169 0.000
C5 1.878 -1.085 0.000
C6 -1.878 -1.085 0.000
H7 -0.930 2.730 0.000
H8 0.930 2.730 0.000
H9 2.829 -0.560 0.000
H10 1.900 -2.170 0.000
H11 -1.900 -2.170 0.000
H12 -2.829 -0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44201.44201.33652.68402.68402.11332.11333.15353.55333.55333.1535
C21.44201.44202.68401.33652.68403.55333.15352.11332.11333.15353.5533
C31.44201.44202.68402.68401.33653.15353.55333.55333.15352.11332.1133
C41.33652.68402.68403.75693.75691.08601.08603.93104.73704.73703.9310
C52.68401.33652.68403.75693.75694.73703.93101.08601.08603.93104.7370
C62.68402.68401.33653.75693.75693.93104.73704.73703.93101.08601.0860
H72.11333.55333.15351.08604.73703.93101.85964.99575.65884.99573.7992
H82.11333.15353.55331.08603.93104.73701.85963.79924.99575.65884.9957
H93.15352.11333.55333.93101.08604.73704.99573.79921.85964.99575.6588
H103.55332.11333.15354.73701.08603.93105.65884.99571.85963.79924.9957
H113.55333.15352.11334.73703.93101.08604.99575.65884.99573.79921.8596
H123.15353.55332.11333.93104.73701.08603.79924.99575.65884.99571.8596

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 121.115 C1 C4 H8 121.115
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.115
C2 C5 H10 121.115 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.115
C3 C6 H12 121.115 H7 C4 H8 117.769
H9 C5 H10 117.769 H11 C6 H12 117.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.048      
2 C 0.048      
3 C 0.048      
4 C -0.375      
5 C -0.375      
6 C -0.375      
7 H 0.164      
8 H 0.164      
9 H 0.164      
10 H 0.164      
11 H 0.164      
12 H 0.164      


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 -31.520 0.000 0.000
y 0.000 -31.520 0.000
z 0.000 0.000 -40.134
Traceless
 xyz
x 4.307 0.000 0.000
y 0.000 4.307 0.000
z 0.000 0.000 -8.614
Polar
3z2-r2-17.227
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 15.411 0.000 0.000
y 0.000 15.411 0.000
z 0.000 0.000 6.103


<r2> (average value of r2) Å2
<r2> 168.557
(<r2>)1/2 12.983