return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: HSEh1PBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-117.761441
Energy at 298.15K 
HF Energy-117.761441
Nuclear repulsion energy75.660985
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/cc-pVDZ
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' 3159 3038 0.00 285.07 0.03 0.07
2 A1' 1506 1449 0.00 3.46 0.64 0.78
3 A1' 1243 1195 0.00 32.27 0.10 0.18
4 A1" 1141 1098 0.00 0.00 0.75 0.86
5 A2' 1067 1027 0.00 0.00 0.75 0.86
6 A2" 3257 3133 22.52 0.00 0.75 0.86
7 A2" 853 820 0.97 0.00 0.75 0.86
8 E' 3149 3029 20.21 23.07 0.75 0.86
8 E' 3149 3029 20.21 23.07 0.75 0.86
9 E' 1438 1383 1.47 8.34 0.75 0.86
9 E' 1438 1383 1.47 8.34 0.75 0.86
10 E' 1049 1009 5.91 0.59 0.75 0.86
10 E' 1049 1009 5.91 0.59 0.75 0.86
11 E' 919 884 20.48 12.97 0.75 0.86
11 E' 919 884 20.48 12.97 0.75 0.86
12 E" 3237 3114 0.00 108.00 0.75 0.86
12 E" 3237 3114 0.00 108.00 0.75 0.86
13 E" 1197 1151 0.00 8.08 0.75 0.86
13 E" 1197 1151 0.00 8.08 0.75 0.86
14 E" 729 702 0.00 2.11 0.75 0.86
14 E" 729 702 0.00 2.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17829.7 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 17150.4 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/cc-pVDZ
ABC
0.67202 0.67202 0.42144

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 0.751 -0.434 0.000
C3 -0.751 -0.434 0.000
H4 0.000 1.461 0.917
H5 1.265 -0.730 0.917
H6 -1.265 -0.730 0.917
H7 0.000 1.461 -0.917
H8 1.265 -0.730 -0.917
H9 -1.265 -0.730 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50281.50281.09212.23482.23481.09212.23482.2348
C21.50281.50282.23481.09212.23482.23481.09212.2348
C31.50281.50282.23482.23481.09212.23482.23481.0921
H41.09212.23482.23482.52982.52981.83413.12473.1247
H52.23481.09212.23482.52982.52983.12471.83413.1247
H62.23482.23481.09212.52982.52983.12473.12471.8341
H71.09212.23482.23481.83413.12473.12472.52982.5298
H82.23481.09212.23483.12471.83413.12472.52982.5298
H92.23482.23481.09213.12473.12471.83412.52982.5298

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 118.051
C1 C2 H8 118.051 C1 C3 C2 60.000
C1 C3 H6 118.051 C1 C3 H9 118.051
C2 C1 C3 60.000 C2 C1 H4 118.051
C2 C1 H7 118.051 C2 C3 H6 118.051
C2 C3 H9 118.051 C3 C1 H4 118.051
C3 C1 H7 118.051 C3 C2 H5 118.051
C3 C2 H8 118.051 H4 C1 H7 114.223
H5 C2 H8 114.223 H6 C3 H9 114.223
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 C -0.096      
3 C -0.096      
4 H 0.048      
5 H 0.048      
6 H 0.048      
7 H 0.048      
8 H 0.048      
9 H 0.048      


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 -20.537 0.000 0.000
y 0.000 -20.537 0.000
z 0.000 0.000 -18.246
Traceless
 xyz
x -1.145 0.000 0.000
y 0.000 -1.145 0.000
z 0.000 0.000 2.290
Polar
3z2-r24.580
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 4.726 0.000 0.000
y 0.000 4.726 0.000
z 0.000 0.000 4.502


<r2> (average value of r2) Å2
<r2> 43.746
(<r2>)1/2 6.614