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: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-117.856837
Energy at 298.15K 
HF Energy-117.856837
Nuclear repulsion energy75.750043
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 wB97X-D/6-31G*
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' 3179 3015 0.00 235.09 0.04 0.08
2 A1' 1562 1481 0.00 5.00 0.75 0.86
3 A1' 1234 1170 0.00 28.70 0.09 0.17
4 A1" 1170 1110 0.00 0.00 0.75 0.86
5 A2' 1105 1048 0.00 0.00 0.75 0.86
6 A2" 3269 3100 35.75 0.00 0.75 0.86
7 A2" 874 829 0.51 0.00 0.75 0.86
8 E' 3170 3006 27.16 19.34 0.75 0.86
8 E' 3170 3006 27.13 19.35 0.75 0.86
9 E' 1505 1428 0.94 8.78 0.75 0.86
9 E' 1505 1428 0.93 8.78 0.75 0.86
10 E' 1083 1028 9.69 0.04 0.75 0.86
10 E' 1083 1028 9.71 0.05 0.75 0.86
11 E' 911 864 20.41 15.47 0.75 0.86
11 E' 911 864 20.42 15.47 0.75 0.86
12 E" 3249 3082 0.00 94.85 0.75 0.86
12 E" 3249 3082 0.00 94.81 0.75 0.86
13 E" 1232 1169 0.00 11.15 0.75 0.86
13 E" 1232 1169 0.00 11.15 0.75 0.86
14 E" 756 718 0.00 2.93 0.75 0.86
14 E" 756 718 0.00 2.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18102.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 17170.5 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 wB97X-D/6-31G*
ABC
0.67323 0.67323 0.42112

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.869 0.000
C2 0.752 -0.434 0.000
C3 -0.752 -0.434 0.000
H4 0.000 1.458 0.912
H5 1.263 -0.729 0.912
H6 -1.263 -0.729 0.912
H7 0.000 1.458 -0.912
H8 1.263 -0.729 -0.912
H9 -1.263 -0.729 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50471.50471.08572.23152.23151.08572.23152.2315
C21.50471.50472.23151.08572.23152.23151.08572.2315
C31.50471.50472.23152.23151.08572.23152.23151.0857
H41.08572.23152.23152.52612.52611.82323.11533.1153
H52.23151.08572.23152.52612.52613.11531.82323.1153
H62.23152.23151.08572.52612.52613.11533.11531.8232
H71.08572.23152.23151.82323.11533.11532.52612.5261
H82.23151.08572.23153.11531.82323.11532.52612.5261
H92.23152.23151.08573.11533.11531.82322.52612.5261

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 wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.349      
2 C -0.349      
3 C -0.349      
4 H 0.175      
5 H 0.175      
6 H 0.175      
7 H 0.175      
8 H 0.175      
9 H 0.175      


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 -20.214 0.000 0.000
y 0.000 -20.214 0.000
z 0.000 0.000 -17.976
Traceless
 xyz
x -1.119 0.000 0.000
y 0.000 -1.119 0.000
z 0.000 0.000 2.237
Polar
3z2-r24.474
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 4.431 0.000 0.000
y 0.000 4.431 0.000
z 0.000 0.000 4.314


<r2> (average value of r2) Å2
<r2> 43.491
(<r2>)1/2 6.595