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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-115.666163
Energy at 298.15K 
HF Energy-115.666163
Nuclear repulsion energy75.935142
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 HF/STO-3G
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' 3672 2998 0.00 89.32 0.06 0.11
2 A1' 1828 1493 0.00 14.37 0.65 0.79
3 A1' 1445 1180 0.00 24.02 0.20 0.34
4 A1" 1380 1127 0.00 0.00 0.00 0.00
5 A2' 1365 1114 0.00 0.00 0.00 0.00
6 A2" 3815 3115 0.19 0.00 0.00 0.00
7 A2" 964 787 0.02 0.00 0.00 0.00
8 E' 3651 2981 4.59 9.35 0.75 0.86
8 E' 3651 2981 4.59 9.35 0.75 0.86
9 E' 1753 1431 0.00 8.52 0.75 0.86
9 E' 1753 1431 0.00 8.52 0.75 0.86
10 E' 1393 1138 0.15 0.18 0.75 0.86
10 E' 1393 1138 0.15 0.18 0.75 0.86
11 E' 1116 911 6.38 12.68 0.75 0.86
11 E' 1116 911 6.38 12.68 0.75 0.86
12 E" 3809 3110 0.00 45.19 0.75 0.86
12 E" 3809 3110 0.00 45.19 0.75 0.86
13 E" 1430 1168 0.00 12.58 0.75 0.86
13 E" 1430 1168 0.00 12.58 0.75 0.86
14 E" 892 728 0.00 2.43 0.75 0.86
14 E" 892 728 0.00 2.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21278.3 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 17373.8 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 HF/STO-3G
ABC
0.67647 0.67647 0.42223

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.867 0.000
C2 0.751 -0.434 0.000
C3 -0.751 -0.434 0.000
H4 0.000 1.457 0.905
H5 1.262 -0.729 0.905
H6 -1.262 -0.729 0.905
H7 0.000 1.457 -0.905
H8 1.262 -0.729 -0.905
H9 -1.262 -0.729 -0.905

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50231.50231.08072.22712.22711.08072.22712.2271
C21.50231.50232.22711.08072.22712.22711.08072.2271
C31.50231.50232.22712.22711.08072.22712.22711.0807
H41.08072.22712.22712.52422.52421.81083.10663.1066
H52.22711.08072.22712.52422.52423.10661.81083.1066
H62.22712.22711.08072.52422.52423.10663.10661.8108
H71.08072.22712.22711.81083.10663.10662.52422.5242
H82.22711.08072.22713.10661.81083.10662.52422.5242
H92.22712.22711.08073.10663.10661.81082.52422.5242

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 118.217
C1 C2 H8 118.217 C1 C3 C2 60.000
C1 C3 H6 118.217 C1 C3 H9 118.217
C2 C1 C3 60.000 C2 C1 H4 118.217
C2 C1 H7 118.217 C2 C3 H6 118.217
C2 C3 H9 118.217 C3 C1 H4 118.217
C3 C1 H7 118.217 C3 C2 H5 118.217
C3 C2 H8 118.217 H4 C1 H7 113.821
H5 C2 H8 113.821 H6 C3 H9 113.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 C -0.136      
3 C -0.136      
4 H 0.068      
5 H 0.068      
6 H 0.068      
7 H 0.068      
8 H 0.068      
9 H 0.068      


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 -19.494 0.000 0.000
y 0.000 -19.494 0.000
z 0.000 0.000 -17.803
Traceless
 xyz
x -0.846 0.000 0.000
y 0.000 -0.846 0.000
z 0.000 0.000 1.691
Polar
3z2-r23.383
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 2.226 0.000 0.000
y 0.000 2.226 0.000
z 0.000 0.000 2.240


<r2> (average value of r2) Å2
<r2> 43.027
(<r2>)1/2 6.559