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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CID/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CID/CEP-121G
 hartrees
Energy at 0K-20.141941
Energy at 298.15K-20.148389
HF Energy-19.866458
Nuclear repulsion energy42.384721
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 CID/CEP-121G
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' 3136 2898 0.00      
2 A1' 1550 1432 0.00      
3 A1' 1211 1119 0.00      
4 A1" 1204 1112 0.00      
5 A2' 1163 1074 0.00      
6 A2" 3237 2991 65.54      
7 A2" 867 801 0.15      
8 E' 3112 2876 30.30      
8 E' 3112 2876 30.30      
9 E' 1511 1397 1.39      
9 E' 1511 1397 1.39      
10 E' 1151 1064 11.60      
10 E' 1151 1064 11.60      
11 E' 879 812 30.02      
11 E' 879 812 30.02      
12 E" 3213 2969 0.00      
12 E" 3213 2969 0.00      
13 E" 1248 1153 0.00      
13 E" 1248 1153 0.00      
14 E" 790 730 0.00      
14 E" 790 730 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18087.7 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 16713.0 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 CID/CEP-121G
ABC
0.64682 0.64682 0.40175

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/CEP-121G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.893 0.000
C2 0.773 -0.446 0.000
C3 -0.773 -0.446 0.000
H4 0.000 1.481 0.917
H5 1.283 -0.741 0.917
H6 -1.283 -0.741 0.917
H7 0.000 1.481 -0.917
H8 1.283 -0.741 -0.917
H9 -1.283 -0.741 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.54641.54641.08932.27012.27011.08932.27012.2701
C21.54641.54642.27011.08932.27012.27011.08932.2701
C31.54641.54642.27012.27011.08932.27012.27011.0893
H41.08932.27012.27012.56532.56531.83353.15323.1532
H52.27011.08932.27012.56532.56533.15321.83353.1532
H62.27012.27011.08932.56532.56533.15323.15321.8335
H71.08932.27012.27011.83353.15323.15322.56532.5653
H82.27011.08932.27013.15321.83353.15322.56532.5653
H92.27012.27011.08933.15323.15321.83352.56532.5653

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 117.886
C1 C2 H8 117.886 C1 C3 C2 60.000
C1 C3 H6 117.886 C1 C3 H9 117.886
C2 C1 C3 60.000 C2 C1 H4 117.886
C2 C1 H7 117.886 C2 C3 H6 117.886
C2 C3 H9 117.886 C3 C1 H4 117.886
C3 C1 H7 117.886 C3 C2 H5 117.886
C3 C2 H8 117.886 H4 C1 H7 114.622
H5 C2 H8 114.622 H6 C3 H9 114.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability