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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-117.018164
Energy at 298.15K 
HF Energy-117.018164
Nuclear repulsion energy75.580313
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 HF/LANL2DZ
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' 3341 3006 0.00 288.49 0.03 0.06
2 A1' 1661 1494 0.00 7.61 0.22 0.36
3 A1' 1288 1159 0.00 51.35 0.07 0.13
4 A1" 1260 1134 0.00 0.00 0.00 0.00
5 A2' 1267 1140 0.00 0.00 0.00 0.00
6 A2" 3439 3095 78.67 0.00 0.00 0.00
7 A2" 930 837 2.30 0.00 0.00 0.00
8 E' 3321 2988 41.92 20.42 0.75 0.86
8 E' 3321 2988 41.92 20.42 0.75 0.86
9 E' 1618 1456 4.28 4.57 0.75 0.86
9 E' 1618 1456 4.28 4.57 0.75 0.86
10 E' 1204 1084 9.50 2.60 0.75 0.86
10 E' 1204 1084 9.50 2.60 0.75 0.86
11 E' 931 838 38.77 25.54 0.75 0.86
11 E' 931 838 38.77 25.54 0.75 0.86
12 E" 3417 3075 0.00 83.65 0.75 0.86
12 E" 3417 3075 0.00 83.65 0.75 0.86
13 E" 1328 1195 0.00 8.24 0.75 0.86
13 E" 1328 1195 0.00 8.24 0.75 0.86
14 E" 832 749 0.00 1.54 0.75 0.86
14 E" 832 749 0.00 1.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19243.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 17316.8 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 HF/LANL2DZ
ABC
0.66902 0.66902 0.41496

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.877 0.000
C2 0.759 -0.438 0.000
C3 -0.759 -0.438 0.000
H4 0.000 1.463 0.899
H5 1.267 -0.731 0.899
H6 -1.267 -0.731 0.899
H7 0.000 1.463 -0.899
H8 1.267 -0.731 -0.899
H9 -1.267 -0.731 -0.899

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51891.51891.07302.23602.23601.07302.23602.2360
C21.51891.51892.23601.07302.23602.23601.07302.2360
C31.51891.51892.23602.23601.07302.23602.23601.0730
H41.07302.23602.23602.53382.53381.79763.10673.1067
H52.23601.07302.23602.53382.53383.10671.79763.1067
H62.23602.23601.07302.53382.53383.10673.10671.7976
H71.07302.23602.23601.79763.10673.10672.53382.5338
H82.23601.07302.23603.10671.79763.10672.53382.5338
H92.23602.23601.07303.10673.10671.79762.53382.5338

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 118.226
C1 C2 H8 118.226 C1 C3 C2 60.000
C1 C3 H6 118.226 C1 C3 H9 118.226
C2 C1 C3 60.000 C2 C1 H4 118.226
C2 C1 H7 118.226 C2 C3 H6 118.226
C2 C3 H9 118.226 C3 C1 H4 118.226
C3 C1 H7 118.226 C3 C2 H5 118.226
C3 C2 H8 118.226 H4 C1 H7 113.798
H5 C2 H8 113.798 H6 C3 H9 113.798
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385      
2 C -0.385      
3 C -0.385      
4 H 0.192      
5 H 0.192      
6 H 0.192      
7 H 0.192      
8 H 0.192      
9 H 0.192      


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 -20.951 0.000 0.000
y 0.000 -20.951 0.000
z 0.000 0.000 -18.533
Traceless
 xyz
x -1.209 0.000 0.000
y 0.000 -1.209 0.000
z 0.000 0.000 2.418
Polar
3z2-r24.835
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 4.577 0.000 0.000
y 0.000 4.577 0.000
z 0.000 0.000 4.002


<r2> (average value of r2) Å2
<r2> 44.111
(<r2>)1/2 6.642