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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-231.664603
Energy at 298.15K-231.657541
HF Energy-230.550945
Nuclear repulsion energy190.328831
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 CBS-Q
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' 3324 3324 0.00      
2 A1' 2060 2060 0.00      
3 A1' 1601 1601 0.00      
4 A1' 848 848 0.00      
5 A1" 821 821 0.00      
6 A2' 3410 3410 0.00      
7 A2' 1194 1194 0.00      
8 A2' 543 543 0.00      
9 A2" 1032 1032 135.58      
10 A2" 233 233 5.64      
11 E' 3410 3410 11.78      
11 E' 3410 3410 11.78      
12 E' 3324 3324 19.02      
12 E' 3324 3324 19.02      
13 E' 1861 1861 7.35      
13 E' 1861 1861 7.35      
14 E' 1566 1566 14.39      
14 E' 1566 1566 14.39      
15 E' 1223 1223 11.55      
15 E' 1223 1223 11.55      
16 E' 857 857 16.21      
16 E' 857 857 16.21      
17 E' 241 241 0.13      
17 E' 241 241 0.13      
18 E" 1028 1028 0.00      
18 E" 1028 1028 0.00      
19 E" 850 850 0.00      
19 E" 850 850 0.00      
20 E" 381 381 0.00      
20 E" 381 381 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22273.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22273.1 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 CBS-Q
ABC
0.13618 0.13618 0.06809

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.834 0.000
C2 0.723 -0.417 0.000
C3 -0.723 -0.417 0.000
C4 0.000 2.149 0.000
C5 1.861 -1.075 0.000
C6 -1.861 -1.075 0.000
H7 -0.921 2.706 0.000
H8 0.921 2.706 0.000
H9 2.804 -0.555 0.000
H10 1.883 -2.151 0.000
H11 -1.883 -2.151 0.000
H12 -2.804 -0.555 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.44531.44531.31502.66652.66652.08622.08623.12993.52973.52973.1299
C21.44531.44532.66651.31502.66653.52973.12992.08622.08623.12993.5297
C31.44531.44532.66652.66651.31503.12993.52973.52973.12992.08622.0862
C41.31502.66652.66653.72303.72301.07641.07643.89624.69464.69463.8962
C52.66651.31502.66653.72303.72304.69463.89621.07641.07643.89624.6946
C62.66652.66651.31503.72303.72303.89624.69464.69463.89621.07641.0764
H72.08623.52973.12991.07644.69463.89621.84234.95165.60864.95163.7664
H82.08623.12993.52971.07643.89624.69461.84233.76644.95165.60864.9516
H93.12992.08623.52973.89621.07644.69464.95163.76641.84234.95165.6086
H103.52972.08623.12994.69461.07643.89625.60864.95161.84233.76644.9516
H113.52973.12992.08624.69463.89621.07644.95165.60864.95163.76641.8423
H123.12993.52972.08623.89624.69461.07643.76644.95165.60864.95161.8423

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 121.155 C1 C4 H8 121.155
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 121.155
C2 C5 H10 121.155 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 121.155
C3 C6 H12 121.155 H7 C4 H8 117.689
H9 C5 H10 117.689 H11 C6 H12 117.689
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability