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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-115.578132
Energy at 298.15K-115.579087
HF Energy-115.250221
Nuclear repulsion energy53.475294
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3580 3307 48.55      
2 A1 3275 3025 2.91      
3 A1 2229 2059 11.83      
4 A1 1530 1413 0.04      
5 A1 1093 1010 9.08      
6 B1 641 592 37.94      
7 B1 546 505 75.75      
8 B1 420 388 0.90      
9 B2 3377 3119 1.56      
10 B2 1098 1015 0.56      
11 B2 732 676 55.58      
12 B2 400 369 5.37      

Unscaled Zero Point Vibrational Energy (zpe) 9460.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 8738.9 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 CID/6-31G*
ABC
9.70628 0.31900 0.30885

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 0.000 2.396
C2 0.000 0.000 1.333
C3 0.000 0.000 0.128
C4 0.000 0.000 -1.258
H5 0.000 0.928 -1.809
H6 0.000 -0.928 -1.809

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 H6
H11.06312.26763.65374.30634.3063
C21.06311.20452.59073.27623.2762
C32.26761.20451.38612.14832.1483
C43.65372.59071.38611.07961.0796
H54.30633.27622.14831.07961.8565
H64.30633.27622.14831.07961.8565

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 0.000
C2 C1 H5 12.448 C2 C3 H6 154.401
H4 C1 H5 12.448
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability