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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-117.018698
Energy at 298.15K 
HF Energy-117.018698
Nuclear repulsion energy75.582135
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/SDD
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' 3340 3007 0.00 288.94 0.03 0.06
2 A1' 1660 1495 0.00 7.50 0.22 0.36
3 A1' 1288 1159 0.00 51.19 0.07 0.13
4 A1" 1260 1134 0.00 0.00 0.00 0.00
5 A2' 1266 1140 0.00 0.00 0.00 0.00
6 A2" 3438 3096 76.97 0.00 0.00 0.00
7 A2" 930 838 2.30 0.00 0.00 0.00
8 E' 3320 2989 40.90 20.44 0.75 0.86
8 E' 3320 2989 40.90 20.44 0.75 0.86
9 E' 1618 1456 4.30 4.58 0.75 0.86
9 E' 1618 1456 4.30 4.58 0.75 0.86
10 E' 1204 1084 9.54 2.53 0.75 0.86
10 E' 1204 1084 9.54 2.53 0.75 0.86
11 E' 931 838 38.87 25.28 0.75 0.86
11 E' 931 838 38.87 25.28 0.75 0.86
12 E" 3416 3076 0.00 83.51 0.75 0.86
12 E" 3416 3076 0.00 83.51 0.75 0.86
13 E" 1328 1196 0.00 8.19 0.75 0.86
13 E" 1328 1196 0.00 8.19 0.75 0.86
14 E" 832 749 0.00 1.51 0.75 0.86
14 E" 832 749 0.00 1.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19239.4 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 17323.1 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/SDD
ABC
0.66905 0.66905 0.41500

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

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
C11.51891.51891.07292.23592.23591.07292.23592.2359
C21.51891.51892.23591.07292.23592.23591.07292.2359
C31.51891.51892.23592.23591.07292.23592.23591.0729
H41.07292.23592.23592.53352.53351.79783.10653.1065
H52.23591.07292.23592.53352.53353.10651.79783.1065
H62.23592.23591.07292.53352.53353.10653.10651.7978
H71.07292.23592.23591.79783.10653.10652.53352.5335
H82.23591.07292.23593.10651.79783.10652.53352.5335
H92.23592.23591.07293.10653.10651.79782.53352.5335

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 118.217
C1 C2 H8 118.217 C1 C3 C2 60.000
C1 C3 H6 118.217 C1 C3 H9 118.217
C2 C1 C3 60.000 C2 C1 H4 118.217
C2 C1 H7 118.217 C2 C3 H6 118.217
C2 C3 H9 118.217 C3 C1 H4 118.217
C3 C1 H7 118.217 C3 C2 H5 118.217
C3 C2 H8 118.217 H4 C1 H7 113.819
H5 C2 H8 113.819 H6 C3 H9 113.819
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.390      
2 C -0.390      
3 C -0.390      
4 H 0.195      
5 H 0.195      
6 H 0.195      
7 H 0.195      
8 H 0.195      
9 H 0.195      


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 -20.942 0.000 0.000
y 0.000 -20.942 0.000
z 0.000 0.000 -18.525
Traceless
 xyz
x -1.208 0.000 0.000
y 0.000 -1.208 0.000
z 0.000 0.000 2.417
Polar
3z2-r24.833
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 4.580 0.000 0.000
y 0.000 4.580 0.000
z 0.000 0.000 4.000


<r2> (average value of r2) Å2
<r2> 44.103
(<r2>)1/2 6.641