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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-115.193341
Energy at 298.15K-115.194191
HF Energy-115.107964
Nuclear repulsion energy53.208502
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 B2PLYP=FULL/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 3502 3334 47.18      
2 A1 3188 3035 2.37      
3 A1 2072 1972 8.45      
4 A1 1524 1451 0.32      
5 A1 1060 1009 4.33      
6 B1 680 648 58.78      
7 B1 528 503 61.35      
8 B1 379 361 3.38      
9 B2 3282 3124 2.37      
10 B2 1094 1042 0.03      
11 B2 680 648 55.53      
12 B2 342 326 6.29      

Unscaled Zero Point Vibrational Energy (zpe) 9165.7 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 8725.7 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 B2PLYP=FULL/3-21G
ABC
9.69813 0.31594 0.30597

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.262
C2 0.000 0.000 0.121
C3 0.000 0.000 1.345
H4 0.000 0.929 -1.816
H5 0.000 -0.929 -1.816
H6 0.000 0.000 2.406

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.38242.60711.08221.08223.6681
C21.38241.22472.14832.14832.2857
C32.60711.22473.29543.29541.0610
H41.08222.14833.29541.85894.3236
H51.08222.14833.29541.85894.3236
H63.66812.28571.06104.32364.3236

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 120.818
C2 C1 H5 120.818 C2 C3 H6 180.000
H4 C1 H5 118.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability