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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-116.345309
Energy at 298.15K 
HF Energy-116.345309
Nuclear repulsion energy75.200775
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 PBE1PBE/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' 3462 3053 0.00 87.09 0.05 0.10
2 A1' 1676 1478 0.00 14.14 0.72 0.84
3 A1' 1346 1187 0.00 19.56 0.20 0.33
4 A1" 1268 1118 0.00 0.00 0.75 0.86
5 A2' 1225 1081 0.00 0.00 0.75 0.86
6 A2" 3608 3183 0.69 0.00 0.75 0.86
7 A2" 898 792 0.75 0.00 0.75 0.86
8 E' 3447 3040 3.48 8.56 0.75 0.86
8 E' 3447 3040 3.48 8.56 0.75 0.86
9 E' 1616 1426 0.76 8.34 0.75 0.86
9 E' 1616 1426 0.76 8.34 0.75 0.86
10 E' 1242 1095 2.14 0.01 0.75 0.86
10 E' 1242 1095 2.14 0.01 0.75 0.86
11 E' 1025 904 7.77 10.40 0.75 0.86
11 E' 1025 904 7.77 10.40 0.75 0.86
12 E" 3600 3175 0.00 40.30 0.75 0.86
12 E" 3600 3175 0.00 40.30 0.75 0.86
13 E" 1316 1161 0.00 11.83 0.75 0.86
13 E" 1316 1161 0.00 11.83 0.75 0.86
14 E" 816 720 0.00 2.16 0.75 0.86
14 E" 816 720 0.00 2.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19801.5 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 17466.9 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 PBE1PBE/STO-3G
ABC
0.66339 0.66339 0.41468

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.876 0.000
C2 0.758 -0.438 0.000
C3 -0.758 -0.438 0.000
H4 0.000 1.469 0.917
H5 1.272 -0.734 0.917
H6 -1.272 -0.734 0.917
H7 0.000 1.469 -0.917
H8 1.272 -0.734 -0.917
H9 -1.272 -0.734 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51671.51671.09222.24762.24761.09222.24762.2476
C21.51671.51672.24761.09222.24762.24761.09222.2476
C31.51671.51672.24762.24761.09222.24762.24761.0922
H41.09222.24762.24762.54422.54421.83413.13643.1364
H52.24761.09222.24762.54422.54423.13641.83413.1364
H62.24762.24761.09222.54422.54423.13643.13641.8341
H71.09222.24762.24761.83413.13643.13642.54422.5442
H82.24761.09222.24763.13641.83413.13642.54422.5442
H92.24762.24761.09223.13643.13641.83412.54422.5442

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 118.059
C1 C2 H8 118.059 C1 C3 C2 60.000
C1 C3 H6 118.059 C1 C3 H9 118.059
C2 C1 C3 60.000 C2 C1 H4 118.059
C2 C1 H7 118.059 C2 C3 H6 118.059
C2 C3 H9 118.059 C3 C1 H4 118.059
C3 C1 H7 118.059 C3 C2 H5 118.059
C3 C2 H8 118.059 H4 C1 H7 114.203
H5 C2 H8 114.203 H6 C3 H9 114.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 C -0.174      
3 C -0.174      
4 H 0.087      
5 H 0.087      
6 H 0.087      
7 H 0.087      
8 H 0.087      
9 H 0.087      


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 -19.174 0.000 0.000
y 0.000 -19.174 0.000
z 0.000 0.000 -17.327
Traceless
 xyz
x -0.923 0.000 0.000
y 0.000 -0.923 0.000
z 0.000 0.000 1.847
Polar
3z2-r23.693
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 2.212 0.000 0.000
y 0.000 2.212 0.000
z 0.000 0.000 2.240


<r2> (average value of r2) Å2
<r2> 43.385
(<r2>)1/2 6.587