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: B97D3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B97D3/6-31G
 hartrees
Energy at 0K-117.787007
Energy at 298.15K 
HF Energy-117.787007
Nuclear repulsion energy75.079245
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 B97D3/6-31G
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' 3114 3114 0.00 253.36 0.04 0.07
2 A1' 1519 1519 0.00 8.36 0.62 0.76
3 A1' 1199 1199 0.00 28.31 0.07 0.13
4 A1" 1145 1145 0.00 0.00 0.75 0.86
5 A2' 1111 1111 0.00 0.00 0.75 0.86
6 A2" 3211 3211 58.43 0.00 0.75 0.86
7 A2" 871 871 0.99 0.00 0.75 0.86
8 E' 3104 3104 33.55 21.42 0.75 0.86
8 E' 3104 3104 33.55 21.42 0.75 0.86
9 E' 1495 1495 1.47 10.62 0.75 0.86
9 E' 1495 1495 1.47 10.62 0.75 0.86
10 E' 1069 1069 18.15 0.13 0.75 0.86
10 E' 1069 1069 18.15 0.13 0.75 0.86
11 E' 873 873 17.70 15.91 0.75 0.86
11 E' 873 873 17.70 15.91 0.75 0.86
12 E" 3185 3185 0.00 99.89 0.75 0.86
12 E" 3185 3185 0.00 99.89 0.75 0.86
13 E" 1216 1216 0.00 12.38 0.75 0.86
13 E" 1216 1216 0.00 12.38 0.75 0.86
14 E" 757 757 0.00 3.43 0.75 0.86
14 E" 757 757 0.00 3.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17782.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17782.2 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 B97D3/6-31G
ABC
0.66098 0.66098 0.41179

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.879 0.000
C2 0.761 -0.439 0.000
C3 -0.761 -0.439 0.000
H4 0.000 1.473 0.912
H5 1.276 -0.737 0.912
H6 -1.276 -0.737 0.912
H7 0.000 1.473 -0.912
H8 1.276 -0.737 -0.912
H9 -1.276 -0.737 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52231.52231.08912.25192.25191.08912.25192.2519
C21.52231.52232.25191.08912.25192.25191.08912.2519
C31.52231.52232.25192.25191.08912.25192.25191.0891
H41.08912.25192.25192.55212.55211.82503.13743.1374
H52.25191.08912.25192.55212.55213.13741.82503.1374
H62.25192.25191.08912.55212.55213.13743.13741.8250
H71.08912.25192.25191.82503.13743.13742.55212.5521
H82.25191.08912.25193.13741.82503.13742.55212.5521
H92.25192.25191.08913.13743.13741.82502.55212.5521

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 118.213
C1 C2 H8 118.213 C1 C3 C2 60.000
C1 C3 H6 118.213 C1 C3 H9 118.213
C2 C1 C3 60.000 C2 C1 H4 118.213
C2 C1 H7 118.213 C2 C3 H6 118.213
C2 C3 H9 118.213 C3 C1 H4 118.213
C3 C1 H7 118.213 C3 C2 H5 118.213
C3 C2 H8 118.213 H4 C1 H7 113.830
H5 C2 H8 113.830 H6 C3 H9 113.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.298      
2 C -0.298      
3 C -0.298      
4 H 0.149      
5 H 0.149      
6 H 0.149      
7 H 0.149      
8 H 0.149      
9 H 0.149      


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 -20.332 0.000 0.000
y 0.000 -20.332 0.000
z 0.000 0.000 -18.222
Traceless
 xyz
x -1.055 0.000 0.000
y 0.000 -1.055 0.000
z 0.000 0.000 2.110
Polar
3z2-r24.220
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 4.444 0.000 0.000
y 0.000 4.444 0.000
z 0.000 0.000 4.323


<r2> (average value of r2) Å2
<r2> 44.187
(<r2>)1/2 6.647