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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD(TQ)/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at QCISD(TQ)/6-311G**
 hartrees
Energy at 0K-117.589669
Energy at 298.15K-117.596057
HF Energy-117.087503
Nuclear repulsion energy75.375411
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 QCISD(TQ)/6-311G**
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' 3152 3152        
2 A1' 1537 1537        
3 A1' 1219 1219        
4 A1" 1172 1172        
5 A2' 1094 1094        
6 A2" 3246 3246        
7 A2" 864 864        
8 E' 3142 3142        
8 E' 3141 3141        
9 E' 1484 1484        
9 E' 1483 1483        
10 E' 1086 1086        
10 E' 1086 1086        
11 E' 895 895        
11 E' 895 895        
12 E" 3225 3225        
12 E" 3225 3225        
13 E" 1227 1227        
13 E" 1227 1227        
14 E" 754 754        
14 E" 754 754        

Unscaled Zero Point Vibrational Energy (zpe) 17952.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17952.8 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 QCISD(TQ)/6-311G**
ABC
0.66597 0.66597 0.41640

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.875 0.000
C2 0.758 -0.438 0.000
C3 -0.758 -0.438 0.000
H4 0.000 1.461 0.916
H5 1.265 -0.730 0.916
H6 -1.265 -0.730 0.916
H7 0.000 1.461 -0.916
H8 1.265 -0.730 -0.916
H9 -1.265 -0.730 -0.916

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51601.51601.08692.23992.23991.08692.23992.2399
C21.51601.51602.23991.08692.23992.23991.08692.2399
C31.51601.51602.23992.23991.08692.23992.23991.0869
H41.08692.23992.23992.53022.53021.83153.12353.1235
H52.23991.08692.23992.53022.53023.12351.83153.1235
H62.23992.23991.08692.53022.53023.12353.12351.8315
H71.08692.23992.23991.83153.12353.12352.53022.5302
H82.23991.08692.23993.12351.83153.12352.53022.5302
H92.23992.23991.08693.12353.12351.83152.53022.5302

picture of Cyclopropane 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 H5 117.810
C1 C2 H8 117.810 C1 C3 C2 60.000
C1 C3 H6 117.810 C1 C3 H9 117.810
C2 C1 C3 60.000 C2 C1 H4 117.810
C2 C1 H7 117.810 C2 C3 H6 117.810
C2 C3 H9 117.810 C3 C1 H4 117.810
C3 C1 H7 117.810 C3 C2 H5 117.810
C3 C2 H8 117.810 H4 C1 H7 114.808
H5 C2 H8 114.808 H6 C3 H9 114.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability