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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: B2PLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-117.045228
Energy at 298.15K 
HF Energy-116.954891
Nuclear repulsion energy75.205164
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 B2PLYP/3-21G*
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' 3201 3201 0.00 195.47 0.05 0.09
2 A1' 1565 1565 0.00 8.71 0.71 0.83
3 A1' 1161 1161 0.00 24.67 0.07 0.13
4 A1" 1191 1191 0.00 0.00 0.73 0.85
5 A2' 1154 1154 0.00 0.00 0.75 0.86
6 A2" 3295 3295 22.81 0.00 0.75 0.86
7 A2" 877 877 0.83 0.00 0.75 0.86
8 E' 3191 3191 16.75 15.07 0.75 0.86
8 E' 3191 3191 16.75 15.07 0.75 0.86
9 E' 1543 1543 2.75 8.99 0.75 0.86
9 E' 1543 1543 2.75 8.99 0.75 0.86
10 E' 1113 1113 21.00 0.13 0.75 0.86
10 E' 1113 1113 21.00 0.13 0.75 0.86
11 E' 855 855 15.54 16.73 0.75 0.86
11 E' 855 855 15.54 16.73 0.75 0.86
12 E" 3272 3272 0.00 79.55 0.75 0.86
12 E" 3272 3272 0.00 79.55 0.75 0.86
13 E" 1247 1247 0.00 13.18 0.75 0.86
13 E" 1247 1247 0.00 13.18 0.75 0.86
14 E" 780 780 0.00 3.58 0.75 0.86
14 E" 780 780 0.00 3.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18221.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18221.9 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 B2PLYP/3-21G*
ABC
0.66225 0.66225 0.41266

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.881 0.000
C2 0.763 -0.440 0.000
C3 -0.763 -0.440 0.000
H4 0.000 1.462 0.912
H5 1.266 -0.731 0.912
H6 -1.266 -0.731 0.912
H7 0.000 1.462 -0.912
H8 1.266 -0.731 -0.912
H9 -1.266 -0.731 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52561.52561.08142.24322.24321.08142.24322.2432
C21.52561.52562.24321.08142.24322.24321.08142.2432
C31.52561.52562.24322.24321.08142.24322.24321.0814
H41.08142.24322.24322.53202.53201.82403.12063.1206
H52.24321.08142.24322.53202.53203.12061.82403.1206
H62.24322.24321.08142.53202.53203.12063.12061.8240
H71.08142.24322.24321.82403.12063.12062.53202.5320
H82.24321.08142.24323.12061.82403.12062.53202.5320
H92.24322.24321.08143.12063.12061.82402.53202.5320

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 117.732
C1 C2 H8 117.732 C1 C3 C2 60.000
C1 C3 H6 117.732 C1 C3 H9 117.732
C2 C1 C3 60.000 C2 C1 H4 117.732
C2 C1 H7 117.732 C2 C3 H6 117.732
C2 C3 H9 117.732 C3 C1 H4 117.732
C3 C1 H7 117.732 C3 C2 H5 117.732
C3 C2 H8 117.732 H4 C1 H7 114.997
H5 C2 H8 114.997 H6 C3 H9 114.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.405      
2 C -0.405      
3 C -0.405      
4 H 0.203      
5 H 0.203      
6 H 0.203      
7 H 0.203      
8 H 0.203      
9 H 0.203      


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 -20.689 0.000 0.000
y 0.000 -20.689 0.000
z 0.000 0.000 -18.516
Traceless
 xyz
x -1.086 0.000 0.000
y 0.000 -1.086 0.000
z 0.000 0.000 2.173
Polar
3z2-r24.345
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 4.104 0.000 0.000
y 0.000 4.104 0.000
z 0.000 0.000 4.020


<r2> (average value of r2) Å2
<r2> 44.246
(<r2>)1/2 6.652