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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-117.659355
Energy at 298.15K 
HF Energy-117.568624
Nuclear repulsion energy75.263988
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3190 3190 0.00 233.08 0.04 0.08
2 A1' 1568 1568 0.00 7.32 0.70 0.83
3 A1' 1228 1228 0.00 29.31 0.08 0.14
4 A1" 1190 1190 0.00 0.00 0.73 0.85
5 A2' 1166 1166 0.00 0.00 0.75 0.86
6 A2" 3282 3282 42.58 0.00 0.75 0.86
7 A2" 891 891 0.67 0.00 0.75 0.86
8 E' 3178 3178 23.01 18.48 0.75 0.86
8 E' 3178 3178 23.01 18.48 0.75 0.86
9 E' 1541 1541 1.69 9.75 0.75 0.86
9 E' 1541 1541 1.69 9.75 0.75 0.86
10 E' 1129 1129 15.26 0.04 0.75 0.86
10 E' 1129 1129 15.26 0.04 0.75 0.86
11 E' 889 889 20.34 17.49 0.75 0.86
11 E' 889 889 20.34 17.49 0.75 0.86
12 E" 3259 3259 0.00 91.10 0.75 0.86
12 E" 3259 3259 0.00 91.10 0.75 0.86
13 E" 1255 1255 0.00 12.46 0.75 0.86
13 E" 1255 1255 0.00 12.46 0.75 0.86
14 E" 786 786 0.00 3.52 0.75 0.86
14 E" 786 786 0.00 3.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18293.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18293.8 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 B2PLYP/6-31G
ABC
0.66409 0.66409 0.41318

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.878 0.000
C2 0.760 -0.439 0.000
C3 -0.760 -0.439 0.000
H4 0.000 1.470 0.908
H5 1.273 -0.735 0.908
H6 -1.273 -0.735 0.908
H7 0.000 1.470 -0.908
H8 1.273 -0.735 -0.908
H9 -1.273 -0.735 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52011.52011.08422.24652.24651.08422.24652.2465
C21.52011.52012.24651.08422.24652.24651.08422.2465
C31.52011.52012.24652.24651.08422.24652.24651.0842
H41.08422.24652.24652.54662.54661.81593.12773.1277
H52.24651.08422.24652.54662.54663.12771.81593.1277
H62.24652.24651.08422.54662.54663.12773.12771.8159
H71.08422.24652.24651.81593.12773.12772.54662.5466
H82.24651.08422.24653.12771.81593.12772.54662.5466
H92.24652.24651.08423.12773.12771.81592.54662.5466

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 118.252
C1 C2 H8 118.252 C1 C3 C2 60.000
C1 C3 H6 118.252 C1 C3 H9 118.252
C2 C1 C3 60.000 C2 C1 H4 118.252
C2 C1 H7 118.252 C2 C3 H6 118.252
C2 C3 H9 118.252 C3 C1 H4 118.252
C3 C1 H7 118.252 C3 C2 H5 118.252
C3 C2 H8 118.252 H4 C1 H7 113.734
H5 C2 H8 113.734 H6 C3 H9 113.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.295      
2 C -0.295      
3 C -0.295      
4 H 0.147      
5 H 0.147      
6 H 0.147      
7 H 0.147      
8 H 0.147      
9 H 0.147      


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 -20.619 0.000 0.000
y 0.000 -20.619 0.000
z 0.000 0.000 -18.573
Traceless
 xyz
x -1.023 0.000 0.000
y 0.000 -1.023 0.000
z 0.000 0.000 2.046
Polar
3z2-r24.091
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 4.341 0.000 0.000
y 0.000 4.341 0.000
z 0.000 0.000 4.239


<r2> (average value of r2) Å2
<r2> 44.232
(<r2>)1/2 6.651