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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-232.022909
Energy at 298.15K-232.027422
HF Energy-232.022909
Nuclear repulsion energy189.303048
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3175 3037 0.00      
2 A1' 1913 1830 0.00      
3 A1' 1494 1429 0.00      
4 A1' 810 775 0.00      
5 A1" 750 718 0.00      
6 A2' 3261 3120 0.00      
7 A2' 1106 1058 0.00      
8 A2' 506 484 0.00      
9 A2" 895 856 139.17      
10 A2" 219 209 4.42      
11 E' 3262 3120 8.91      
11 E' 3262 3120 8.91      
12 E' 3174 3037 12.27      
12 E' 3174 3037 12.27      
13 E' 1706 1632 3.79      
13 E' 1706 1632 3.79      
14 E' 1458 1395 8.17      
14 E' 1458 1395 8.17      
15 E' 1137 1088 4.86      
15 E' 1137 1088 4.86      
16 E' 812 777 5.13      
16 E' 812 777 5.13      
17 E' 224 214 0.00      
17 E' 224 214 0.00      
18 E" 890 852 0.00      
18 E" 890 852 0.00      
19 E" 771 738 0.00      
19 E" 771 738 0.00      
20 E" 351 336 0.00      
20 E" 351 336 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20849.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19946.6 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 B3PW91/6-31G*
ABC
0.13798 0.13798 0.06899

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.832 0.000
C2 0.721 -0.416 0.000
C3 -0.721 -0.416 0.000
C4 0.000 2.167 0.000
C5 1.877 -1.084 0.000
C6 -1.877 -1.084 0.000
H7 -0.929 2.731 0.000
H8 0.929 2.731 0.000
H9 2.830 -0.561 0.000
H10 1.901 -2.170 0.000
H11 -1.901 -2.170 0.000
H12 -2.830 -0.561 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44181.44181.33472.68202.68202.11382.11383.15443.55363.55363.1544
C21.44181.44182.68201.33472.68203.55363.15442.11382.11383.15443.5536
C31.44181.44182.68202.68201.33473.15443.55363.55363.15442.11382.1138
C41.33472.68202.68203.75363.75361.08661.08663.93094.73544.73543.9309
C52.68201.33472.68203.75363.75364.73543.93091.08661.08663.93094.7354
C62.68202.68201.33473.75363.75363.93094.73544.73543.93091.08661.0866
H72.11383.55363.15441.08664.73543.93091.85744.99685.65954.99683.8021
H82.11383.15443.55361.08663.93094.73541.85743.80214.99685.65954.9968
H93.15442.11383.55363.93091.08664.73544.99683.80211.85744.99685.6595
H103.55362.11383.15444.73541.08663.93095.65954.99681.85743.80214.9968
H113.55363.15442.11384.73543.93091.08664.99685.65954.99683.80211.8574
H123.15443.55362.11383.93094.73541.08663.80214.99685.65954.99681.8574

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 121.279 C1 C4 H8 121.279
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.279
C2 C5 H10 121.279 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.279
C3 C6 H12 121.279 H7 C4 H8 117.442
H9 C5 H10 117.442 H11 C6 H12 117.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.137      
2 C 0.137      
3 C 0.137      
4 C -0.499      
5 C -0.499      
6 C -0.499      
7 H 0.181      
8 H 0.181      
9 H 0.181      
10 H 0.181      
11 H 0.181      
12 H 0.181      


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 -30.854 0.000 0.000
y 0.000 -30.854 0.000
z 0.000 0.000 -38.684
Traceless
 xyz
x 3.915 0.000 0.000
y 0.000 3.915 0.000
z 0.000 0.000 -7.830
Polar
3z2-r2-15.660
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 13.977 0.000 0.000
y 0.000 13.977 0.000
z 0.000 0.000 3.232


<r2> (average value of r2) Å2
<r2> 167.845
(<r2>)1/2 12.955