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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-117.638016
Energy at 298.15K-117.644416
HF Energy-117.098667
Nuclear repulsion energy75.905567
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 CCD/6-311+G(3df,2p)
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' 3176 2996 0.00      
2 A1' 1551 1463 0.00      
3 A1' 1235 1165 0.00      
4 A1" 1177 1110 0.00      
5 A2' 1115 1052 0.00      
6 A2" 3270 3084 24.92      
7 A2" 865 816 0.23      
8 E' 3166 2985 18.22      
8 E' 3166 2985 18.22      
9 E' 1497 1412 0.80      
9 E' 1497 1412 0.80      
10 E' 1081 1019 7.18      
10 E' 1081 1019 7.18      
11 E' 911 859 20.38      
11 E' 911 859 20.38      
12 E" 3250 3065 0.00      
12 E" 3250 3065 0.00      
13 E" 1231 1161 0.00      
13 E" 1231 1161 0.00      
14 E" 752 709 0.00      
14 E" 752 709 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18081.4 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 17052.6 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 CCD/6-311+G(3df,2p)
ABC
0.67560 0.67560 0.42243

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311+G(3df,2p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 0.752 -0.434 0.000
C3 -0.752 -0.434 0.000
H4 0.000 1.452 0.909
H5 1.258 -0.726 0.909
H6 -1.258 -0.726 0.909
H7 0.000 1.452 -0.909
H8 1.258 -0.726 -0.909
H9 -1.258 -0.726 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50431.50431.08052.22512.22511.08052.22512.2251
C21.50431.50432.22511.08052.22512.22511.08052.2251
C31.50431.50432.22512.22511.08052.22512.22511.0805
H41.08052.22512.22512.51532.51531.81853.10383.1038
H52.22511.08052.22512.51532.51533.10381.81853.1038
H62.22512.22511.08052.51532.51533.10383.10381.8185
H71.08052.22512.22511.81853.10383.10382.51532.5153
H82.22511.08052.22513.10381.81853.10382.51532.5153
H92.22512.22511.08053.10383.10381.81852.51532.5153

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 117.896
C1 C2 H8 117.896 C1 C3 C2 60.000
C1 C3 H6 117.896 C1 C3 H9 117.896
C2 C1 C3 60.000 C2 C1 H4 117.896
C2 C1 H7 117.896 C2 C3 H6 117.896
C2 C3 H9 117.896 C3 C1 H4 117.896
C3 C1 H7 117.896 C3 C2 H5 117.896
C3 C2 H8 117.896 H4 C1 H7 114.598
H5 C2 H8 114.598 H6 C3 H9 114.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability