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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: BLYP/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 BLYP/CEP-121G*
 hartrees
Energy at 0K-20.422135
Energy at 298.15K-20.428346
HF Energy-20.422135
Nuclear repulsion energy42.449408
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-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' 3034 3017 0.00      
2 A1' 1476 1468 0.00      
3 A1' 1145 1139 0.00      
4 A1" 1111 1105 0.00      
5 A2' 1018 1012 0.00      
6 A2" 3127 3110 72.37      
7 A2" 828 823 0.67      
8 E' 3026 3010 48.64      
8 E' 3026 3010 48.65      
9 E' 1435 1427 0.07      
9 E' 1435 1427 0.07      
10 E' 1001 995 12.22      
10 E' 1001 995 12.21      
11 E' 822 817 19.17      
11 E' 822 817 19.19      
12 E" 3104 3087 0.00      
12 E" 3104 3087 0.00      
13 E" 1168 1162 0.00      
13 E" 1168 1162 0.00      
14 E" 704 700 0.00      
14 E" 704 700 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17128.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17034.2 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-121G*
ABC
0.65082 0.65082 0.40554

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.887 0.000
C2 0.768 -0.443 0.000
C3 -0.768 -0.443 0.000
H4 0.000 1.480 0.920
H5 1.282 -0.740 0.920
H6 -1.282 -0.740 0.920
H7 0.000 1.480 -0.920
H8 1.282 -0.740 -0.920
H9 -1.282 -0.740 -0.920

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53611.53611.09482.26662.26661.09482.26662.2666
C21.53611.53612.26661.09482.26662.26661.09482.2666
C31.53611.53612.26662.26661.09482.26662.26661.0948
H41.09482.26662.26662.56412.56411.84003.15603.1560
H52.26661.09482.26662.56412.56413.15601.84003.1560
H62.26662.26661.09482.56412.56413.15603.15601.8400
H71.09482.26662.26661.84003.15603.15602.56412.5641
H82.26661.09482.26663.15601.84003.15602.56412.5641
H92.26662.26661.09483.15603.15601.84002.56412.5641

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 118.000
C1 C2 H8 118.000 C1 C3 C2 60.000
C1 C3 H6 118.000 C1 C3 H9 118.000
C2 C1 C3 60.000 C2 C1 H4 118.000
C2 C1 H7 118.000 C2 C3 H6 118.000
C2 C3 H9 118.000 C3 C1 H4 118.000
C3 C1 H7 118.000 C3 C2 H5 118.000
C3 C2 H8 118.000 H4 C1 H7 114.347
H5 C2 H8 114.347 H6 C3 H9 114.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311      
2 C -0.311      
3 C -0.311      
4 H 0.155      
5 H 0.155      
6 H 0.155      
7 H 0.155      
8 H 0.155      
9 H 0.155      


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 -20.940 0.000 0.000
y 0.000 -20.940 0.000
z 0.000 0.000 -18.503
Traceless
 xyz
x -1.218 0.000 0.000
y 0.000 -1.218 0.000
z 0.000 0.000 2.437
Polar
3z2-r24.873
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 5.362 0.000 0.000
y 0.000 5.363 0.000
z 0.000 0.000 4.973


<r2> (average value of r2) Å2
<r2> 40.238
(<r2>)1/2 6.343