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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: PBE1PBE/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 PBE1PBE/CEP-121G*
 hartrees
Energy at 0K-20.527190
Energy at 298.15K-20.533523
HF Energy-20.527190
Nuclear repulsion energy42.919569
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 PBE1PBE/CEP-121G*
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' 3152 3152 0.00      
2 A1' 1527 1527 0.00      
3 A1' 1223 1223 0.00      
4 A1" 1151 1151 0.00      
5 A2' 1065 1065 0.00      
6 A2" 3251 3251 44.95      
7 A2" 848 848 0.72      
8 E' 3141 3141 31.18      
8 E' 3141 3141 31.19      
9 E' 1466 1466 1.26      
9 E' 1466 1466 1.26      
10 E' 1046 1046 9.57      
10 E' 1046 1046 9.57      
11 E' 906 906 26.19      
11 E' 906 906 26.18      
12 E" 3230 3230 0.00      
12 E" 3230 3230 0.00      
13 E" 1206 1206 0.00      
13 E" 1206 1206 0.00      
14 E" 730 730 0.00      
14 E" 730 730 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17832.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17832.0 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 PBE1PBE/CEP-121G*
ABC
0.66670 0.66670 0.41679

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/CEP-121G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.874 0.000
C2 0.757 -0.437 0.000
C3 -0.757 -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
C11.51371.51371.08842.24092.24091.08842.24092.2409
C21.51371.51372.24091.08842.24092.24091.08842.2409
C31.51371.51372.24092.24091.08842.24092.24091.0884
H41.08842.24092.24092.53482.53481.82993.12633.1263
H52.24091.08842.24092.53482.53483.12631.82993.1263
H62.24092.24091.08842.53482.53483.12633.12631.8299
H71.08842.24092.24091.82993.12633.12632.53482.5348
H82.24091.08842.24093.12631.82993.12632.53482.5348
H92.24092.24091.08843.12633.12631.82992.53482.5348

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 117.975
C1 C2 H8 117.975 C1 C3 C2 60.000
C1 C3 H6 117.975 C1 C3 H9 117.975
C2 C1 C3 60.000 C2 C1 H4 117.975
C2 C1 H7 117.975 C2 C3 H6 117.975
C2 C3 H9 117.975 C3 C1 H4 117.975
C3 C1 H7 117.975 C3 C2 H5 117.975
C3 C2 H8 117.975 H4 C1 H7 114.407
H5 C2 H8 114.407 H6 C3 H9 114.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 C -0.381      
3 C -0.381      
4 H 0.190      
5 H 0.190      
6 H 0.190      
7 H 0.190      
8 H 0.190      
9 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.578 0.000 0.000
y 0.000 -20.578 0.000
z 0.000 0.000 -18.061
Traceless
 xyz
x -1.258 0.000 0.000
y 0.000 -1.258 0.000
z 0.000 0.000 2.517
Polar
3z2-r25.034
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.069 0.000 0.000
y 0.000 5.069 0.000
z 0.000 0.000 4.711


<r2> (average value of r2) Å2
<r2> 39.367
(<r2>)1/2 6.274