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

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-115.317887
Energy at 298.15K-115.318836
HF Energy-115.317887
Nuclear repulsion energy53.370194
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/3-21G*
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 3487 3305 53.79      
2 A1 3188 3022 0.91      
3 A1 2057 1950 8.82      
4 A1 1505 1427 1.94      
5 A1 1091 1034 3.85      
6 B1 714 676 78.46      
7 B1 567 537 49.84      
8 B1 408 386 16.19      
9 B2 3286 3115 0.82      
10 B2 1082 1026 0.33      
11 B2 715 677 61.29      
12 B2 358 339 9.40      

Unscaled Zero Point Vibrational Energy (zpe) 9228.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 8746.9 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/3-21G*
ABC
9.62091 0.31865 0.30844

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.255
C2 0.000 0.000 0.118
C3 0.000 0.000 1.339
H4 0.000 0.933 -1.807
H5 0.000 -0.933 -1.807
H6 0.000 0.000 2.402

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.37272.59441.08391.08393.6574
C21.37271.22172.13852.13852.2847
C32.59441.22173.28143.28141.0630
H41.08392.13853.28141.86624.3111
H51.08392.13853.28141.86624.3111
H63.65742.28471.06304.31114.3111

picture of Propargyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 180.000 C2 C1 H4 120.587
C2 C1 H5 120.587 C2 C3 H6 180.000
H4 C1 H5 118.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability