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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/CEP-121G*
 hartrees
Energy at 0K-20.517749
Energy at 298.15K-20.523985
HF Energy-20.517749
Nuclear repulsion energy42.605934
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 PBEPBEultrafine/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' 3060 3060 0.00      
2 A1' 1472 1472 0.00      
3 A1' 1179 1179 0.00      
4 A1" 1109 1109 0.00      
5 A2' 1013 1013 0.00      
6 A2" 3158 3158 49.39      
7 A2" 825 825 1.02      
8 E' 3052 3052 35.48      
8 E' 3052 3052 35.48      
9 E' 1421 1421 0.91      
9 E' 1421 1421 0.91      
10 E' 998 998 12.97      
10 E' 998 998 12.97      
11 E' 866 866 21.65      
11 E' 866 866 21.65      
12 E" 3136 3136 0.00      
12 E" 3136 3136 0.00      
13 E" 1164 1164 0.00      
13 E" 1164 1164 0.00      
14 E" 704 704 0.00      
14 E" 704 704 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17249.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17249.6 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 PBEPBEultrafine/CEP-121G*
ABC
0.65689 0.65689 0.41048

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.881 0.000
C2 0.763 -0.440 0.000
C3 -0.763 -0.440 0.000
H4 0.000 1.475 0.921
H5 1.277 -0.737 0.921
H6 -1.277 -0.737 0.921
H7 0.000 1.475 -0.921
H8 1.277 -0.737 -0.921
H9 -1.277 -0.737 -0.921

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52531.52531.09592.25762.25761.09592.25762.2576
C21.52531.52532.25761.09592.25762.25761.09592.2576
C31.52531.52532.25762.25761.09592.25762.25761.0959
H41.09592.25762.25762.55412.55411.84193.14903.1490
H52.25761.09592.25762.55412.55413.14901.84193.1490
H62.25762.25761.09592.55412.55413.14903.14901.8419
H71.09592.25762.25761.84193.14903.14902.55412.5541
H82.25761.09592.25763.14901.84193.14902.55412.5541
H92.25762.25761.09593.14903.14901.84192.55412.5541

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 117.996
C1 C2 H8 117.996 C1 C3 C2 60.000
C1 C3 H6 117.996 C1 C3 H9 117.996
C2 C1 C3 60.000 C2 C1 H4 117.996
C2 C1 H7 117.996 C2 C3 H6 117.996
C2 C3 H9 117.996 C3 C1 H4 117.996
C3 C1 H7 117.996 C3 C2 H5 117.996
C3 C2 H8 117.996 H4 C1 H7 114.358
H5 C2 H8 114.358 H6 C3 H9 114.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.359      
2 C -0.359      
3 C -0.359      
4 H 0.180      
5 H 0.180      
6 H 0.180      
7 H 0.180      
8 H 0.180      
9 H 0.180      


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 -20.744 0.000 0.000
y 0.000 -20.744 0.000
z 0.000 0.000 -18.219
Traceless
 xyz
x -1.263 0.000 0.000
y 0.000 -1.263 0.000
z 0.000 0.000 2.525
Polar
3z2-r25.051
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 5.263 0.000 0.000
y 0.000 5.263 0.000
z 0.000 0.000 4.898


<r2> (average value of r2) Å2
<r2> 39.873
(<r2>)1/2 6.315