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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: BLYP/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 BLYP/CEP-31G*
 hartrees
Energy at 0K-20.408156
Energy at 298.15K-20.414313
HF Energy-20.408156
Nuclear repulsion energy42.186671
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 BLYP/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' 3061 3044 0.00      
2 A1' 1475 1467 0.00      
3 A1' 1159 1152 0.00      
4 A1" 1099 1093 0.00      
5 A2' 1000 995 0.00      
6 A2" 3157 3139 81.72      
7 A2" 807 803 4.09      
8 E' 3053 3036 41.97      
8 E' 3053 3036 41.97      
9 E' 1414 1406 0.86      
9 E' 1414 1406 0.86      
10 E' 987 981 16.66      
10 E' 987 981 16.65      
11 E' 825 821 22.65      
11 E' 825 821 22.64      
12 E" 3129 3112 0.00      
12 E" 3129 3112 0.00      
13 E" 1148 1142 0.00      
13 E" 1148 1142 0.00      
14 E" 683 680 0.00      
14 E" 683 680 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17117.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17023.7 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 BLYP/CEP-31G*
ABC
0.64241 0.64241 0.40073

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.893 0.000
C2 0.773 -0.447 0.000
C3 -0.773 -0.447 0.000
H4 0.000 1.486 0.928
H5 1.287 -0.743 0.928
H6 -1.287 -0.743 0.928
H7 0.000 1.486 -0.928
H8 1.287 -0.743 -0.928
H9 -1.287 -0.743 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.54681.54681.10142.27922.27921.10142.27922.2792
C21.54681.54682.27921.10142.27922.27921.10142.2792
C31.54681.54682.27922.27921.10142.27922.27921.1014
H41.10142.27922.27922.57412.57411.85603.17353.1735
H52.27921.10142.27922.57412.57413.17351.85603.1735
H62.27922.27921.10142.57412.57413.17353.17351.8560
H71.10142.27922.27921.85603.17353.17352.57412.5741
H82.27921.10142.27923.17351.85603.17352.57412.5741
H92.27922.27921.10143.17353.17351.85602.57412.5741

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 117.799
C1 C2 H8 117.799 C1 C3 C2 60.000
C1 C3 H6 117.799 C1 C3 H9 117.799
C2 C1 C3 60.000 C2 C1 H4 117.799
C2 C1 H7 117.799 C2 C3 H6 117.799
C2 C3 H9 117.799 C3 C1 H4 117.799
C3 C1 H7 117.799 C3 C2 H5 117.799
C3 C2 H8 117.799 H4 C1 H7 114.833
H5 C2 H8 114.833 H6 C3 H9 114.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 C -0.374      
3 C -0.374      
4 H 0.187      
5 H 0.187      
6 H 0.187      
7 H 0.187      
8 H 0.187      
9 H 0.187      


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 -20.501 0.000 0.000
y 0.000 -20.501 0.000
z 0.000 0.000 -17.660
Traceless
 xyz
x -1.420 0.000 0.000
y 0.000 -1.420 0.000
z 0.000 0.000 2.841
Polar
3z2-r25.681
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 5.053 0.000 0.000
y 0.000 5.054 0.000
z 0.000 0.000 4.087


<r2> (average value of r2) Å2
<r2> 40.203
(<r2>)1/2 6.341