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All results from a given calculation for C6H6 (Trimethylenecycopropane)

using model chemistry: CCSD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-231.665555
Energy at 298.15K-231.669975
HF Energy-230.632789
Nuclear repulsion energy188.768877
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 CCSD(T)/cc-pVTZ
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' 3149 3069        
2 A1' 1861 1814        
3 A1' 1481 1444        
4 A1' 780 760        
5 A1" 734 715        
6 A2' 3239 3158        
7 A2' 1099 1071        
8 A2' 494 482        
9 A2" 889 867        
10 A2" 203 198        
11 E' 3240 3158        
11 E' 3240 3158        
12 E' 3149 3069        
12 E' 3148 3069        
13 E' 1661 1620        
13 E' 1661 1619        
14 E' 1445 1408        
14 E' 1444 1408        
15 E' 1127 1099        
15 E' 1127 1099        
16 E' 789 769        
16 E' 789 769        
17 E' 219 213        
17 E' 218 213        
18 E" 883 861        
18 E" 883 860        
19 E" 751 732        
19 E" 751 732        
20 E" 330 322        
20 E" 327 319        

Unscaled Zero Point Vibrational Energy (zpe) 20555.3 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 20037.3 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 CCSD(T)/cc-pVTZ
ABC
0.13707 0.13707 0.06853

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.837 0.000
C2 0.725 -0.419 0.000
C3 -0.725 -0.419 0.000
C4 0.000 2.176 0.000
C5 1.884 -1.088 0.000
C6 -1.884 -1.088 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
C11.45031.45031.33832.69372.69372.10972.10973.15653.55803.55803.1565
C21.45031.45032.69371.33832.69373.55803.15652.10972.10973.15653.5580
C31.45031.45032.69372.69371.33833.15653.55803.55803.15652.10972.1097
C41.33832.69372.69373.76833.76831.08281.08283.93664.74354.74353.9366
C52.69371.33832.69373.76833.76834.74353.93661.08281.08283.93664.7435
C62.69372.69371.33833.76833.76833.93664.74354.74353.93661.08281.0828
H72.10973.55803.15651.08284.74353.93661.85884.99705.66004.99703.8013
H82.10973.15653.55801.08283.93664.74351.85883.80134.99705.66004.9970
H93.15652.10973.55803.93661.08284.74354.99703.80131.85884.99705.6600
H103.55802.10973.15654.74351.08283.93665.66004.99701.85883.80134.9970
H113.55803.15652.10974.74353.93661.08284.99705.66004.99703.80131.8588
H123.15653.55802.10973.93664.74351.08283.80134.99705.66004.99701.8588

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 120.872 C1 C4 H8 120.872
C2 C1 C3 60.000 C2 C1 C4 150.000
C2 C3 C6 150.000 C2 C5 H9 120.872
C2 C5 H10 120.872 C3 C1 C4 150.000
C3 C2 C5 150.000 C3 C6 H11 120.872
C3 C6 H12 120.872 H7 C4 H8 118.256
H9 C5 H10 118.256 H11 C6 H12 118.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability