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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: mPW1PW91/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 mPW1PW91/SDD
 hartrees
Energy at 0K-117.847946
Energy at 298.15K-117.854335
HF Energy-117.847946
Nuclear repulsion energy75.145011
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 mPW1PW91/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' 3208 3047 0.00      
2 A1' 1541 1464 0.00      
3 A1' 1241 1179 0.00      
4 A1" 1158 1100 0.00      
5 A2' 1142 1085 0.00      
6 A2" 3316 3150 54.92      
7 A2" 872 829 5.50      
8 E' 3191 3031 29.65      
8 E' 3191 3031 29.65      
9 E' 1501 1425 7.26      
9 E' 1501 1425 7.26      
10 E' 1092 1038 22.65      
10 E' 1092 1038 22.65      
11 E' 896 851 28.09      
11 E' 896 851 28.10      
12 E" 3291 3126 0.00      
12 E" 3291 3126 0.00      
13 E" 1226 1165 0.00      
13 E" 1226 1165 0.00      
14 E" 767 729 0.00      
14 E" 767 729 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18202.2 cm-1
Scaled (by 0.9499) Zero Point Vibrational Energy (zpe) 17290.3 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 mPW1PW91/SDD
ABC
0.66168 0.66168 0.41163

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/SDD

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.880 0.000
C2 0.762 -0.440 0.000
C3 -0.762 -0.440 0.000
H4 0.000 1.470 0.909
H5 1.273 -0.735 0.909
H6 -1.273 -0.735 0.909
H7 0.000 1.470 -0.909
H8 1.273 -0.735 -0.909
H9 -1.273 -0.735 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52451.52451.08392.24862.24861.08392.24862.2486
C21.52451.52452.24861.08392.24862.24861.08392.2486
C31.52451.52452.24862.24861.08392.24862.24861.0839
H41.08392.24862.24862.54612.54611.81873.12893.1289
H52.24861.08392.24862.54612.54613.12891.81873.1289
H62.24862.24861.08392.54612.54613.12893.12891.8187
H71.08392.24862.24861.81873.12893.12892.54612.5461
H82.24861.08392.24863.12891.81873.12892.54612.5461
H92.24862.24861.08393.12893.12891.81872.54612.5461

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 118.117
C1 C2 H8 118.117 C1 C3 C2 60.000
C1 C3 H6 118.117 C1 C3 H9 118.117
C2 C1 C3 60.000 C2 C1 H4 118.117
C2 C1 H7 118.117 C2 C3 H6 118.117
C2 C3 H9 118.117 C3 C1 H4 118.117
C3 C1 H7 118.117 C3 C2 H5 118.117
C3 C2 H8 118.117 H4 C1 H7 114.062
H5 C2 H8 114.062 H6 C3 H9 114.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.454      
2 C -0.454      
3 C -0.454      
4 H 0.227      
5 H 0.227      
6 H 0.227      
7 H 0.227      
8 H 0.227      
9 H 0.227      


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 -20.410 0.000 0.000
y 0.000 -20.410 0.000
z 0.000 0.000 -17.897
Traceless
 xyz
x -1.256 0.000 0.000
y 0.000 -1.256 0.000
z 0.000 0.000 2.513
Polar
3z2-r25.026
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 4.616 0.000 0.000
y 0.000 4.616 0.000
z 0.000 0.000 4.076


<r2> (average value of r2) Å2
<r2> 44.094
(<r2>)1/2 6.640