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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-117.770432
Energy at 298.15K 
HF Energy-117.770432
Nuclear repulsion energy75.543035
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/Def2TZVPP
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' 3074 3036 0.00 317.62 0.02 0.04
2 A1' 1465 1448 0.00 1.65 0.75 0.85
3 A1' 1195 1181 0.00 37.39 0.06 0.12
4 A1" 1115 1101 0.00 0.00 0.75 0.86
5 A2' 1043 1030 0.00 0.00 0.75 0.86
6 A2" 3165 3126 26.68 0.00 0.75 0.86
7 A2" 835 825 0.86 0.00 0.75 0.86
8 E' 3067 3030 24.77 25.97 0.75 0.86
8 E' 3067 3030 24.77 25.97 0.75 0.86
9 E' 1422 1405 1.36 6.76 0.75 0.86
9 E' 1422 1405 1.36 6.76 0.75 0.86
10 E' 1009 997 10.71 0.32 0.75 0.86
10 E' 1009 997 10.71 0.32 0.75 0.86
11 E' 877 867 17.76 8.88 0.75 0.86
11 E' 877 867 17.76 8.88 0.75 0.86
12 E" 3143 3105 0.00 100.16 0.75 0.86
12 E" 3143 3105 0.00 100.16 0.75 0.86
13 E" 1171 1157 0.00 2.73 0.75 0.86
13 E" 1171 1157 0.00 2.73 0.75 0.86
14 E" 717 708 0.00 0.82 0.75 0.86
14 E" 717 708 0.00 0.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17350.9 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 17140.9 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/Def2TZVPP
ABC
0.66957 0.66957 0.41903

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.871 0.000
C2 0.754 -0.435 0.000
C3 -0.754 -0.435 0.000
H4 0.000 1.462 0.915
H5 1.266 -0.731 0.915
H6 -1.266 -0.731 0.915
H7 0.000 1.462 -0.915
H8 1.266 -0.731 -0.915
H9 -1.266 -0.731 -0.915

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50841.50841.08932.23752.23751.08932.23752.2375
C21.50841.50842.23751.08932.23752.23751.08932.2375
C31.50841.50842.23752.23751.08932.23752.23751.0893
H41.08932.23752.23752.53232.53231.82983.12423.1242
H52.23751.08932.23752.53232.53233.12421.82983.1242
H62.23752.23751.08932.53232.53233.12423.12421.8298
H71.08932.23752.23751.82983.12423.12422.53232.5323
H82.23751.08932.23753.12421.82983.12422.53232.5323
H92.23752.23751.08933.12423.12421.82982.53232.5323

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 118.033
C1 C2 H8 118.033 C1 C3 C2 60.000
C1 C3 H6 118.033 C1 C3 H9 118.033
C2 C1 C3 60.000 C2 C1 H4 118.033
C2 C1 H7 118.033 C2 C3 H6 118.033
C2 C3 H9 118.033 C3 C1 H4 118.033
C3 C1 H7 118.033 C3 C2 H5 118.033
C3 C2 H8 118.033 H4 C1 H7 114.267
H5 C2 H8 114.267 H6 C3 H9 114.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.155      
2 C -0.155      
3 C -0.155      
4 H 0.077      
5 H 0.077      
6 H 0.077      
7 H 0.077      
8 H 0.077      
9 H 0.077      


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 -20.908 0.000 0.000
y 0.000 -20.908 0.000
z 0.000 0.000 -18.566
Traceless
 xyz
x -1.171 0.000 0.000
y 0.000 -1.171 0.000
z 0.000 0.000 2.341
Polar
3z2-r24.683
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 5.591 0.000 0.000
y 0.000 5.591 0.000
z 0.000 0.000 5.016


<r2> (average value of r2) Å2
<r2> 44.071
(<r2>)1/2 6.639