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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: B97D3/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at B97D3/aug-cc-pVQZ
 hartrees
Energy at 0K-116.594627
Energy at 298.15K 
HF Energy-116.594627
Nuclear repulsion energy63.834818
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/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at B97D3/aug-cc-pVQZ
ABC
1.00545 0.73290 0.46318

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
C2 0.000 0.647 -0.500
C3 0.000 -0.647 -0.500
H4 0.000 1.580 -1.041
H5 0.000 -1.580 -1.041
H6 0.915 0.000 1.459
H7 -0.915 0.000 1.459

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50551.50552.47162.47161.09321.0932
C21.50551.29401.07872.29202.25612.2561
C31.50551.29402.29201.07872.25612.2561
H42.47161.07872.29203.16053.09523.0952
H52.47162.29201.07873.16053.09523.0952
H61.09322.25612.25613.09523.09521.8291
H71.09322.25612.25613.09523.09521.8291

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.547 C1 C2 H4 145.556
C1 C3 C2 64.547 C1 C3 H5 145.556
C2 C1 C3 50.906 C2 C1 H6 119.649
C2 C1 H7 119.649 C2 C3 H5 149.897
C3 C1 H6 119.649 C3 C1 H7 119.649
C3 C2 H4 149.897 H6 C1 H7 113.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.485      
2 C -0.555      
3 C -0.555      
4 H 0.459      
5 H 0.459      
6 H 0.339      
7 H 0.339      


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 -0.467 0.467
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.494 0.000 0.000
y 0.000 -16.967 0.000
z 0.000 0.000 -18.763
Traceless
 xyz
x -1.629 0.000 0.000
y 0.000 2.162 0.000
z 0.000 0.000 -0.533
Polar
3z2-r2-1.066
x2-y2-2.527
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 37.040
(<r2>)1/2 6.086