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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD(T)/6-31+G**

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(T)/6-31+G**
 hartrees
Energy at 0K-117.553490
Energy at 298.15K-117.559894
HF Energy-117.070687
Nuclear repulsion energy75.594119
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(T)/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' 3199 3004        
2 A1' 1566 1471        
3 A1' 1231 1156        
4 A1" 1186 1114        
5 A2' 1111 1043        
6 A2" 3292 3092        
7 A2" 873 820        
8 E' 3188 2993        
8 E' 3188 2993        
9 E' 1512 1420        
9 E' 1512 1419        
10 E' 1107 1039        
10 E' 1107 1039        
11 E' 901 846        
11 E' 900 845        
12 E" 3273 3074        
12 E" 3273 3073        
13 E" 1239 1164        
13 E" 1239 1164        
14 E" 764 717        
14 E" 763 717        

Unscaled Zero Point Vibrational Energy (zpe) 18211.5 cm-1
Scaled (by 0.939) Zero Point Vibrational Energy (zpe) 17100.6 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 QCISD(T)/6-31+G**
ABC
0.67001 0.67001 0.41845

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.873 0.000
C2 0.756 -0.436 0.000
C3 -0.756 -0.436 0.000
H4 0.000 1.459 0.911
H5 1.263 -0.729 0.911
H6 -1.263 -0.729 0.911
H7 0.000 1.459 -0.911
H8 1.263 -0.729 -0.911
H9 -1.263 -0.729 -0.911

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51151.51151.08322.23442.23441.08322.23442.2344
C21.51151.51152.23441.08322.23442.23441.08322.2344
C31.51151.51152.23442.23441.08322.23442.23441.0832
H41.08322.23442.23442.52672.52671.82183.11503.1150
H52.23441.08322.23442.52672.52673.11501.82183.1150
H62.23442.23441.08322.52672.52673.11503.11501.8218
H71.08322.23442.23441.82183.11503.11502.52672.5267
H82.23441.08322.23443.11501.82183.11502.52672.5267
H92.23442.23441.08323.11503.11501.82182.52672.5267

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 117.945
C1 C2 H8 117.945 C1 C3 C2 60.000
C1 C3 H6 117.945 C1 C3 H9 117.945
C2 C1 C3 60.000 C2 C1 H4 117.945
C2 C1 H7 117.945 C2 C3 H6 117.945
C2 C3 H9 117.945 C3 C1 H4 117.945
C3 C1 H7 117.945 C3 C2 H5 117.945
C3 C2 H8 117.945 H4 C1 H7 114.481
H5 C2 H8 114.481 H6 C3 H9 114.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability