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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-117.541663
Energy at 298.15K-117.548035
HF Energy-117.077242
Nuclear repulsion energy75.363003
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' 3135 3135        
2 A1' 1543 1543        
3 A1' 1220 1220        
4 A1" 1170 1170        
5 A2' 1083 1083        
6 A2" 3226 3226        
7 A2" 858 858        
8 E' 3123 3123        
8 E' 3123 3123        
9 E' 1489 1489        
9 E' 1489 1489        
10 E' 1079 1079        
10 E' 1078 1078        
11 E' 895 895        
11 E' 894 894        
12 E" 3206 3206        
12 E" 3205 3205        
13 E" 1226 1226        
13 E" 1226 1226        
14 E" 755 755        
14 E" 754 754        

Unscaled Zero Point Vibrational Energy (zpe) 17888.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17888.4 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
0.66593 0.66593 0.41630

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 -0.437 0.000
C3 -0.758 -0.437 0.000
H4 0.000 1.463 0.915
H5 1.267 -0.732 0.915
H6 -1.267 -0.732 0.915
H7 0.000 1.463 -0.915
H8 1.267 -0.732 -0.915
H9 -1.267 -0.732 -0.915

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51521.51521.08812.24142.24141.08812.24142.2414
C21.51521.51522.24141.08812.24142.24141.08812.2414
C31.51521.51522.24142.24141.08812.24142.24141.0881
H41.08812.24142.24142.53412.53411.83083.12633.1263
H52.24141.08812.24142.53412.53413.12631.83083.1263
H62.24142.24141.08812.53412.53413.12633.12631.8308
H71.08812.24142.24141.83083.12633.12632.53412.5341
H82.24141.08812.24143.12631.83083.12632.53412.5341
H92.24142.24141.08813.12633.12631.83082.53412.5341

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 117.917
C1 C2 H8 117.917 C1 C3 C2 60.000
C1 C3 H6 117.917 C1 C3 H9 117.917
C2 C1 C3 60.000 C2 C1 H4 117.917
C2 C1 H7 117.917 C2 C3 H6 117.917
C2 C3 H9 117.917 C3 C1 H4 117.917
C3 C1 H7 117.917 C3 C2 H5 117.917
C3 C2 H8 117.917 H4 C1 H7 114.548
H5 C2 H8 114.548 H6 C3 H9 114.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability