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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: mPW1PW91/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at mPW1PW91/6-311+G(3df,2pd)
 hartrees
Energy at 0K-117.909622
Energy at 298.15K-117.915989
HF Energy-117.909622
Nuclear repulsion energy76.117146
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 mPW1PW91/6-311+G(3df,2pd)
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' 3161 3161 0.00      
2 A1' 1526 1526 0.00      
3 A1' 1235 1235 0.00      
4 A1" 1159 1159 0.00      
5 A2' 1094 1094 0.00      
6 A2" 3252 3252 25.24      
7 A2" 860 860 0.70      
8 E' 3152 3152 20.79      
8 E' 3152 3152 20.79      
9 E' 1474 1474 1.53      
9 E' 1474 1474 1.53      
10 E' 1057 1057 8.78      
10 E' 1057 1057 8.78      
11 E' 910 910 21.09      
11 E' 910 910 21.09      
12 E" 3231 3231 0.00      
12 E" 3231 3231 0.00      
13 E" 1215 1215 0.00      
13 E" 1215 1215 0.00      
14 E" 742 742 0.00      
14 E" 742 742 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17924.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17924.1 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 mPW1PW91/6-311+G(3df,2pd)
ABC
0.67974 0.67974 0.42528

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2pd)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.865 0.000
C2 0.749 -0.432 0.000
C3 -0.749 -0.432 0.000
H4 0.000 1.451 0.908
H5 1.256 -0.725 0.908
H6 -1.256 -0.725 0.908
H7 0.000 1.451 -0.908
H8 1.256 -0.725 -0.908
H9 -1.256 -0.725 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.49751.49751.08052.22052.22051.08052.22052.2205
C21.49751.49752.22051.08052.22052.22051.08052.2205
C31.49751.49752.22052.22051.08052.22052.22051.0805
H41.08052.22052.22052.51302.51301.81513.09993.0999
H52.22051.08052.22052.51302.51303.09991.81513.0999
H62.22052.22051.08052.51302.51303.09993.09991.8151
H71.08052.22052.22051.81513.09993.09992.51302.5130
H82.22051.08052.22053.09991.81513.09992.51302.5130
H92.22052.22051.08053.09993.09991.81512.51302.5130

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 118.029
C1 C2 H8 118.029 C1 C3 C2 60.000
C1 C3 H6 118.029 C1 C3 H9 118.029
C2 C1 C3 60.000 C2 C1 H4 118.029
C2 C1 H7 118.029 C2 C3 H6 118.029
C2 C3 H9 118.029 C3 C1 H4 118.029
C3 C1 H7 118.029 C3 C2 H5 118.029
C3 C2 H8 118.029 H4 C1 H7 114.276
H5 C2 H8 114.276 H6 C3 H9 114.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.063      
2 C -0.063      
3 C -0.063      
4 H 0.032      
5 H 0.032      
6 H 0.032      
7 H 0.032      
8 H 0.032      
9 H 0.032      


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 -20.636 0.000 0.000
y 0.000 -20.636 0.000
z 0.000 0.000 -18.361
Traceless
 xyz
x -1.138 0.000 0.000
y 0.000 -1.138 0.000
z 0.000 0.000 2.275
Polar
3z2-r24.550
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 5.484 0.000 0.000
y 0.000 5.484 0.000
z 0.000 0.000 4.795


<r2> (average value of r2) Å2
<r2> 43.442
(<r2>)1/2 6.591