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All results from a given calculation for C3H3 (cyclopropenyl radical)

using model chemistry: ROMP2/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 2A'

Conformer 1 (D3H)

Jump to S1C2
Vibrational Frequencies calculated at ROMP2/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at ROMP2/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at ROMP2/aug-cc-pVDZ
 hartrees
Energy at 0K-115.589794
Energy at 298.15K-115.591369
HF Energy-115.201421
Nuclear repulsion energy57.258670
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 ROMP2/aug-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 A' 3329 3329        
2 A' 3119 3119        
3 A' 1603 1603        
4 A' 1236 1236        
5 A' 981 981        
6 A' 915 915        
7 A' 565 565        
8 A" 3288 3288        
9 A" 1036 1036        
10 A" 969 969        
11 A" 814 814        
12 A" 752 752        

Unscaled Zero Point Vibrational Energy (zpe) 9303.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9303.5 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 ROMP2/aug-cc-pVDZ
ABC
1.02887 0.87455 0.48648

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.037 0.895 0.000
H2 0.744 1.670 0.000
C3 -0.037 -0.421 0.670
C4 -0.037 -0.421 -0.670
H5 -0.040 -0.993 1.594
H6 -0.040 -0.993 -1.594

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6
C11.09991.47711.47712.47142.4714
H21.09992.33042.33043.20123.2012
C31.47712.33041.33911.08712.3347
C41.47712.33041.33912.33471.0871
H52.47143.20121.08712.33473.1881
H62.47143.20122.33471.08713.1881

picture of cyclopropenyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 63.047 C1 C3 H5 148.694
C1 C4 C3 63.047 C1 C4 H6 148.694
H2 C1 C3 128.868 H2 C1 C4 128.868
C3 C1 C4 53.906 C3 C4 H6 148.258
C4 C3 H5 148.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.085      
2 H -0.270      
3 C 0.328      
4 C 0.328      
5 H -0.236      
6 H -0.236      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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> 34.051
(<r2>)1/2 5.835