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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-117.746785
Energy at 298.15K 
HF Energy-117.746785
Nuclear repulsion energy75.843873
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 PBE1PBE/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' 3181 3023 0.00 239.09 0.04 0.08
2 A1' 1553 1475 0.00 4.92 0.75 0.85
3 A1' 1254 1192 0.00 27.90 0.09 0.17
4 A1" 1166 1108 0.00 0.00 0.75 0.86
5 A2' 1092 1038 0.00 0.00 0.75 0.86
6 A2" 3271 3109 30.00 0.00 0.75 0.86
7 A2" 868 825 0.79 0.00 0.75 0.86
8 E' 3173 3015 24.11 20.06 0.75 0.86
8 E' 3173 3015 24.10 20.06 0.75 0.86
9 E' 1494 1420 1.06 8.91 0.75 0.86
9 E' 1494 1420 1.06 8.91 0.75 0.86
10 E' 1074 1021 9.62 0.05 0.75 0.86
10 E' 1074 1021 9.62 0.05 0.75 0.86
11 E' 927 881 20.63 14.11 0.75 0.86
11 E' 927 881 20.63 14.11 0.75 0.86
12 E" 3251 3090 0.00 93.61 0.75 0.86
12 E" 3251 3090 0.00 93.61 0.75 0.86
13 E" 1227 1166 0.00 10.92 0.75 0.86
13 E" 1227 1166 0.00 10.92 0.75 0.86
14 E" 746 709 0.00 2.66 0.75 0.86
14 E" 746 709 0.00 2.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18085.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 17186.4 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 PBE1PBE/6-31G*
ABC
0.67511 0.67511 0.42255

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.867 0.000
C2 0.751 -0.433 0.000
C3 -0.751 -0.433 0.000
H4 0.000 1.458 0.911
H5 1.263 -0.729 0.911
H6 -1.263 -0.729 0.911
H7 0.000 1.458 -0.911
H8 1.263 -0.729 -0.911
H9 -1.263 -0.729 -0.911

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50111.50111.08642.22962.22961.08642.22962.2296
C21.50111.50112.22961.08642.22962.22961.08642.2296
C31.50111.50112.22962.22961.08642.22962.22961.0864
H41.08642.22962.22962.52532.52531.82283.11443.1144
H52.22961.08642.22962.52532.52533.11441.82283.1144
H62.22962.22961.08642.52532.52533.11443.11441.8228
H71.08642.22962.22961.82283.11443.11442.52532.5253
H82.22961.08642.22963.11441.82283.11442.52532.5253
H92.22962.22961.08643.11443.11441.82282.52532.5253

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 118.122
C1 C2 H8 118.122 C1 C3 C2 60.000
C1 C3 H6 118.122 C1 C3 H9 118.122
C2 C1 C3 60.000 C2 C1 H4 118.122
C2 C1 H7 118.122 C2 C3 H6 118.122
C2 C3 H9 118.122 C3 C1 H4 118.122
C3 C1 H7 118.122 C3 C2 H5 118.122
C3 C2 H8 118.122 H4 C1 H7 114.051
H5 C2 H8 114.051 H6 C3 H9 114.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.362      
2 C -0.362      
3 C -0.362      
4 H 0.181      
5 H 0.181      
6 H 0.181      
7 H 0.181      
8 H 0.181      
9 H 0.181      


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 -20.250 0.000 0.000
y 0.000 -20.250 0.000
z 0.000 0.000 -17.998
Traceless
 xyz
x -1.126 0.000 0.000
y 0.000 -1.126 0.000
z 0.000 0.000 2.251
Polar
3z2-r24.503
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 4.412 0.000 0.000
y 0.000 4.412 0.000
z 0.000 0.000 4.290


<r2> (average value of r2) Å2
<r2> 43.437
(<r2>)1/2 6.591