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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-117.822780
Energy at 298.15K 
HF Energy-117.822780
Nuclear repulsion energy75.038998
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/6-31G**
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' 3067 3043 0.00 249.81 0.04 0.07
2 A1' 1489 1477 0.00 8.11 0.64 0.78
3 A1' 1180 1171 0.00 27.18 0.09 0.16
4 A1" 1123 1114 0.00 0.00 0.75 0.86
5 A2' 1044 1036 0.00 0.00 0.75 0.86
6 A2" 3155 3131 44.52 0.00 0.75 0.86
7 A2" 842 835 0.57 0.00 0.75 0.86
8 E' 3061 3037 31.31 21.25 0.75 0.86
8 E' 3061 3037 31.31 21.25 0.75 0.86
9 E' 1450 1438 0.06 10.51 0.75 0.86
9 E' 1450 1438 0.06 10.51 0.75 0.86
10 E' 1024 1016 8.70 0.36 0.75 0.86
10 E' 1024 1016 8.70 0.36 0.75 0.86
11 E' 853 846 13.01 13.68 0.75 0.86
11 E' 853 846 13.01 13.68 0.75 0.86
12 E" 3134 3110 0.00 97.74 0.75 0.86
12 E" 3134 3110 0.00 97.74 0.75 0.86
13 E" 1184 1174 0.00 12.20 0.75 0.86
13 E" 1184 1174 0.00 12.20 0.75 0.86
14 E" 716 710 0.00 2.75 0.75 0.86
14 E" 716 710 0.00 2.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17370.1 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 17236.4 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/6-31G**
ABC
0.66049 0.66049 0.41221

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.878 0.000
C2 0.761 -0.439 0.000
C3 -0.761 -0.439 0.000
H4 0.000 1.474 0.916
H5 1.276 -0.737 0.916
H6 -1.276 -0.737 0.916
H7 0.000 1.474 -0.916
H8 1.276 -0.737 -0.916
H9 -1.276 -0.737 -0.916

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52101.52101.09272.25312.25311.09272.25312.2531
C21.52101.52102.25311.09272.25312.25311.09272.2531
C31.52101.52102.25312.25311.09272.25312.25311.0927
H41.09272.25312.25312.55262.55261.83233.14223.1422
H52.25311.09272.25312.55262.55263.14221.83233.1422
H62.25312.25311.09272.55262.55263.14223.14221.8323
H71.09272.25312.25311.83233.14223.14222.55262.5526
H82.25311.09272.25313.14221.83233.14222.55262.5526
H92.25312.25311.09273.14223.14221.83232.55262.5526

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 118.167
C1 C2 H8 118.167 C1 C3 C2 60.000
C1 C3 H6 118.167 C1 C3 H9 118.167
C2 C1 C3 60.000 C2 C1 H4 118.167
C2 C1 H7 118.167 C2 C3 H6 118.167
C2 C3 H9 118.167 C3 C1 H4 118.167
C3 C1 H7 118.167 C3 C2 H5 118.167
C3 C2 H8 118.167 H4 C1 H7 113.942
H5 C2 H8 113.942 H6 C3 H9 113.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.187      
2 C -0.187      
3 C -0.187      
4 H 0.094      
5 H 0.094      
6 H 0.094      
7 H 0.094      
8 H 0.094      
9 H 0.094      


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 -20.359 0.000 0.000
y 0.000 -20.359 0.000
z 0.000 0.000 -18.364
Traceless
 xyz
x -0.997 0.000 0.000
y 0.000 -0.997 0.000
z 0.000 0.000 1.995
Polar
3z2-r23.990
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 4.581 0.000 0.000
y 0.000 4.581 0.000
z 0.000 0.000 4.465


<r2> (average value of r2) Å2
<r2> 44.249
(<r2>)1/2 6.652