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

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-115.624812
Energy at 298.15K-115.625262
HF Energy-115.250100
Nuclear repulsion energy52.993789
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 CCSD/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 3487 3293        
2 A1 3196 3018        
3 A1 2040 1926        
4 A1 1501 1417        
5 A1 1077 1017        
6 B1 647 611        
7 B1 421 397        
8 B1 216 204        
9 B2 3291 3107        
10 B2 1064 1004        
11 B2 556 525        
12 B2 335 316        

Unscaled Zero Point Vibrational Energy (zpe) 8914.2 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 8417.7 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 CCSD/6-31G*
ABC
9.62955 0.31340 0.30353

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.265
C2 0.000 0.000 0.121
H3 0.000 0.932 -1.823
H4 0.000 -0.932 -1.823
C5 0.000 0.000 1.349
H6 0.000 0.000 2.418

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6
C11.38611.08581.08582.61473.6834
C21.38612.15532.15531.22862.2972
H31.08582.15531.86393.30614.3418
H41.08582.15531.86393.30614.3418
C52.61471.22863.30613.30611.0686
H63.68342.29724.34184.34181.0686

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 25.620 C2 C1 H4 120.878
C2 C1 H5 0.000 C2 C3 H6 13.225
H4 C1 H5 120.878
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability