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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-117.106882
Energy at 298.15K 
HF Energy-117.106882
Nuclear repulsion energy75.422328
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 HSEh1PBE/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' 3194 3066 0.00 199.95 0.04 0.08
2 A1' 1543 1481 0.00 7.75 0.72 0.84
3 A1' 1189 1141 0.00 24.82 0.08 0.14
4 A1" 1171 1124 0.00 0.00 0.75 0.86
5 A2' 1140 1094 0.00 0.00 0.75 0.86
6 A2" 3292 3160 17.03 0.00 0.75 0.86
7 A2" 869 834 1.70 0.00 0.75 0.86
8 E' 3185 3057 15.21 15.46 0.75 0.86
8 E' 3185 3057 15.21 15.46 0.75 0.86
9 E' 1514 1454 5.45 8.73 0.75 0.86
9 E' 1514 1454 5.45 8.73 0.75 0.86
10 E' 1091 1047 27.85 0.04 0.75 0.86
10 E' 1091 1047 27.85 0.04 0.75 0.86
11 E' 885 850 17.09 16.24 0.75 0.86
11 E' 885 850 17.09 16.24 0.75 0.86
12 E" 3268 3137 0.00 80.45 0.75 0.86
12 E" 3268 3137 0.00 80.45 0.75 0.86
13 E" 1233 1184 0.00 12.53 0.75 0.86
13 E" 1233 1184 0.00 12.53 0.75 0.86
14 E" 769 738 0.00 3.49 0.75 0.86
14 E" 769 738 0.00 3.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18144.2 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 17416.6 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 HSEh1PBE/3-21G*
ABC
0.66652 0.66652 0.41649

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.876 0.000
C2 0.759 -0.438 0.000
C3 -0.759 -0.438 0.000
H4 0.000 1.458 0.914
H5 1.262 -0.729 0.914
H6 -1.262 -0.729 0.914
H7 0.000 1.458 -0.914
H8 1.262 -0.729 -0.914
H9 -1.262 -0.729 -0.914

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51731.51731.08352.23712.23711.08352.23712.2371
C21.51731.51732.23711.08352.23712.23711.08352.2371
C31.51731.51732.23712.23711.08352.23712.23711.0835
H41.08352.23712.23712.52472.52471.82843.11723.1172
H52.23711.08352.23712.52472.52473.11721.82843.1172
H62.23712.23711.08352.52472.52473.11723.11721.8284
H71.08352.23712.23711.82843.11723.11722.52472.5247
H82.23711.08352.23713.11721.82843.11722.52472.5247
H92.23712.23711.08353.11723.11721.82842.52472.5247

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 117.699
C1 C2 H8 117.699 C1 C3 C2 60.000
C1 C3 H6 117.699 C1 C3 H9 117.699
C2 C1 C3 60.000 C2 C1 H4 117.699
C2 C1 H7 117.699 C2 C3 H6 117.699
C2 C3 H9 117.699 C3 C1 H4 117.699
C3 C1 H7 117.699 C3 C2 H5 117.699
C3 C2 H8 117.699 H4 C1 H7 115.076
H5 C2 H8 115.076 H6 C3 H9 115.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.457      
2 C -0.457      
3 C -0.457      
4 H 0.228      
5 H 0.228      
6 H 0.228      
7 H 0.228      
8 H 0.228      
9 H 0.228      


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 -20.476 0.000 0.000
y 0.000 -20.476 0.000
z 0.000 0.000 -18.140
Traceless
 xyz
x -1.168 0.000 0.000
y 0.000 -1.168 0.000
z 0.000 0.000 2.336
Polar
3z2-r24.671
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 4.127 0.000 0.000
y 0.000 4.127 0.000
z 0.000 0.000 4.022


<r2> (average value of r2) Å2
<r2> 43.879
(<r2>)1/2 6.624