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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: BLYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-117.165824
Energy at 298.15K 
HF Energy-117.165824
Nuclear repulsion energy74.550804
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/3-21G*
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' 3089 3069 0.00 208.15 0.04 0.08
2 A1' 1502 1492 0.00 10.59 0.64 0.78
3 A1' 1120 1113 0.00 23.06 0.07 0.13
4 A1" 1133 1126 0.00 0.00 0.75 0.86
5 A2' 1081 1074 0.00 0.00 0.75 0.86
6 A2" 3182 3161 31.82 0.00 0.75 0.86
7 A2" 845 839 1.07 0.00 0.75 0.86
8 E' 3081 3061 22.08 17.03 0.75 0.86
8 E' 3081 3061 22.08 17.03 0.75 0.86
9 E' 1485 1475 2.04 10.17 0.75 0.86
9 E' 1485 1475 2.04 10.17 0.75 0.86
10 E' 1041 1034 21.84 0.57 0.75 0.86
10 E' 1041 1034 21.85 0.57 0.75 0.86
11 E' 810 804 11.89 15.03 0.75 0.86
11 E' 810 804 11.89 15.03 0.75 0.86
12 E" 3157 3136 0.00 84.66 0.75 0.86
12 E" 3157 3136 0.00 84.66 0.75 0.86
13 E" 1196 1188 0.00 13.92 0.75 0.86
13 E" 1196 1188 0.00 13.92 0.75 0.86
14 E" 738 734 0.00 3.61 0.75 0.86
14 E" 738 734 0.00 3.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17483.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 17369.4 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/3-21G*
ABC
0.65072 0.65072 0.40546

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.889 0.000
C2 0.770 -0.444 0.000
C3 -0.770 -0.444 0.000
H4 0.000 1.474 0.920
H5 1.277 -0.737 0.920
H6 -1.277 -0.737 0.920
H7 0.000 1.474 -0.920
H8 1.277 -0.737 -0.920
H9 -1.277 -0.737 -0.920

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53931.53931.09052.26272.26271.09052.26272.2627
C21.53931.53932.26271.09052.26272.26271.09052.2627
C31.53931.53932.26272.26271.09052.26272.26271.0905
H41.09052.26272.26272.55342.55341.84003.14733.1473
H52.26271.09052.26272.55342.55343.14731.84003.1473
H62.26272.26271.09052.55342.55343.14733.14731.8400
H71.09052.26272.26271.84003.14733.14732.55342.5534
H82.26271.09052.26273.14731.84003.14732.55342.5534
H92.26272.26271.09053.14733.14731.84002.55342.5534

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 117.707
C1 C2 H8 117.707 C1 C3 C2 60.000
C1 C3 H6 117.707 C1 C3 H9 117.707
C2 C1 C3 60.000 C2 C1 H4 117.707
C2 C1 H7 117.707 C2 C3 H6 117.707
C2 C3 H9 117.707 C3 C1 H4 117.707
C3 C1 H7 117.707 C3 C2 H5 117.707
C3 C2 H8 117.707 H4 C1 H7 115.057
H5 C2 H8 115.057 H6 C3 H9 115.057
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.370      
2 C -0.370      
3 C -0.370      
4 H 0.185      
5 H 0.185      
6 H 0.185      
7 H 0.185      
8 H 0.185      
9 H 0.185      


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 -20.539 0.000 0.000
y 0.000 -20.539 0.000
z 0.000 0.000 -18.397
Traceless
 xyz
x -1.071 0.000 0.000
y 0.000 -1.071 0.000
z 0.000 0.000 2.142
Polar
3z2-r24.283
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 4.220 0.000 0.000
y 0.000 4.220 0.000
z 0.000 0.000 4.132


<r2> (average value of r2) Å2
<r2> 44.718
(<r2>)1/2 6.687