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All results from a given calculation for C3H6 (Cyclopropane)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-117.764031
Energy at 298.15K 
HF Energy-117.764031
Nuclear repulsion energy75.524270
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 PBEPBE/6-311+G(3df,2p)
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 3042 0.00 315.16 0.02 0.04
2 A1' 1464 1452 0.00 1.56 0.20 0.33
3 A1' 1196 1186 0.00 42.21 0.06 0.12
4 A1" 1115 1105 0.00 0.00 0.75 0.86
5 A2' 1043 1034 0.00 0.00 0.75 0.86
6 A2" 3156 3130 26.85 0.00 0.75 0.86
7 A2" 834 827 0.80 0.00 0.75 0.86
8 E' 3060 3035 23.17 26.97 0.75 0.86
8 E' 3060 3035 23.17 26.98 0.75 0.86
9 E' 1421 1410 1.25 5.37 0.75 0.86
9 E' 1421 1410 1.25 5.37 0.75 0.86
10 E' 1008 999 10.62 0.89 0.75 0.86
10 E' 1008 999 10.62 0.90 0.75 0.86
11 E' 875 868 17.64 7.08 0.75 0.86
11 E' 875 868 17.64 7.11 0.75 0.86
12 E" 3135 3109 0.00 100.54 0.75 0.86
12 E" 3135 3109 0.00 100.54 0.75 0.86
13 E" 1170 1160 0.00 1.24 0.75 0.86
13 E" 1170 1160 0.00 1.24 0.75 0.86
14 E" 716 711 0.00 0.51 0.75 0.86
14 E" 716 711 0.00 0.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17321.6 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 17179.5 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 PBEPBE/6-311+G(3df,2p)
ABC
0.66926 0.66926 0.41871

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.871 0.000
C2 0.754 -0.436 0.000
C3 -0.754 -0.436 0.000
H4 0.000 1.463 0.915
H5 1.267 -0.731 0.915
H6 -1.267 -0.731 0.915
H7 0.000 1.463 -0.915
H8 1.267 -0.731 -0.915
H9 -1.267 -0.731 -0.915

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50881.50881.08942.23832.23831.08942.23832.2383
C21.50881.50882.23831.08942.23832.23831.08942.2383
C31.50881.50882.23832.23831.08942.23832.23831.0894
H41.08942.23832.23832.53392.53391.82923.12513.1251
H52.23831.08942.23832.53392.53393.12511.82923.1251
H62.23832.23831.08942.53392.53393.12513.12511.8292
H71.08942.23832.23831.82923.12513.12512.53392.5339
H82.23831.08942.23833.12511.82923.12512.53392.5339
H92.23832.23831.08943.12513.12511.82922.53392.5339

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 118.066
C1 C2 H8 118.066 C1 C3 C2 60.000
C1 C3 H6 118.066 C1 C3 H9 118.066
C2 C1 C3 60.000 C2 C1 H4 118.066
C2 C1 H7 118.066 C2 C3 H6 118.066
C2 C3 H9 118.066 C3 C1 H4 118.066
C3 C1 H7 118.066 C3 C2 H5 118.066
C3 C2 H8 118.066 H4 C1 H7 114.187
H5 C2 H8 114.187 H6 C3 H9 114.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.237      
2 C -0.237      
3 C -0.237      
4 H 0.118      
5 H 0.118      
6 H 0.118      
7 H 0.118      
8 H 0.118      
9 H 0.118      


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 -20.936 0.000 0.000
y 0.000 -20.936 0.000
z 0.000 0.000 -18.650
Traceless
 xyz
x -1.143 0.000 0.000
y 0.000 -1.143 0.000
z 0.000 0.000 2.286
Polar
3z2-r24.572
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 5.754 0.000 0.000
y 0.000 5.754 0.000
z 0.000 0.000 5.010


<r2> (average value of r2) Å2
<r2> 44.120
(<r2>)1/2 6.642