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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCSD(T)/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCSD(T)/CEP-31G*
 hartrees
Energy at 0K-20.328917
Energy at 298.15K-20.335217
HF Energy-19.910205
Nuclear repulsion energy42.296246
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)/CEP-31G*
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' 3140 2961        
2 A1' 1542 1455        
3 A1' 1209 1141        
4 A1" 1153 1087        
5 A2' 1051 992        
6 A2" 3241 3057        
7 A2" 838 791        
8 E' 3127 2949        
8 E' 3127 2949        
9 E' 1465 1381        
9 E' 1465 1381        
10 E' 1063 1003        
10 E' 1063 1003        
11 E' 878 828        
11 E' 878 828        
12 E" 3221 3037        
12 E" 3221 3037        
13 E" 1197 1129        
13 E" 1197 1129        
14 E" 727 685        
14 E" 726 685        

Unscaled Zero Point Vibrational Energy (zpe) 17765.0 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 16754.2 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)/CEP-31G*
ABC
0.64572 0.64572 0.40364

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.890 0.000
C2 0.771 -0.445 0.000
C3 -0.771 -0.445 0.000
H4 0.000 1.479 0.930
H5 1.281 -0.739 0.930
H6 -1.281 -0.739 0.930
H7 0.000 1.479 -0.930
H8 1.281 -0.739 -0.930
H9 -1.281 -0.739 -0.930

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.54211.54211.10022.27182.27181.10022.27182.2718
C21.54211.54212.27181.10022.27182.27181.10022.2718
C31.54211.54212.27182.27181.10022.27182.27181.1002
H41.10022.27182.27182.56172.56171.85913.16523.1652
H52.27181.10022.27182.56172.56173.16521.85913.1652
H62.27182.27181.10022.56172.56173.16523.16521.8591
H71.10022.27182.27181.85913.16523.16522.56172.5617
H82.27181.10022.27183.16521.85913.16522.56172.5617
H92.27182.27181.10023.16523.16521.85912.56172.5617

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 117.603
C1 C2 H8 117.603 C1 C3 C2 60.000
C1 C3 H6 117.603 C1 C3 H9 117.603
C2 C1 C3 60.000 C2 C1 H4 117.603
C2 C1 H7 117.603 C2 C3 H6 117.603
C2 C3 H9 117.603 C3 C1 H4 117.603
C3 C1 H7 117.603 C3 C2 H5 117.603
C3 C2 H8 117.603 H4 C1 H7 115.310
H5 C2 H8 115.310 H6 C3 H9 115.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability