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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-115.780103
Energy at 298.15K-115.774836
HF Energy-115.248342
Nuclear repulsion energy53.262950
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 CBS-Q
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 3617 3617 44.29      
2 A1 3314 3314 7.95      
3 A1 1921 1921 18.76      
4 A1 1581 1581 0.40      
5 A1 1097 1097 3.84      
6 B1 647 647 41.64      
7 B1 421 421 36.68      
8 B1 359 359 19.58      
9 B2 3413 3413 4.82      
10 B2 1111 1111 1.38      
11 B2 657 657 51.32      
12 B2 360 360 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 9248.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9248.1 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 CBS-Q
ABC
9.59452 0.31673 0.30660

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.261
C2 0.000 0.000 0.121
C3 0.000 0.000 1.343
H4 0.000 0.925 -1.813
H5 0.000 -0.925 -1.813
H6 0.000 0.000 2.403

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.38262.60451.07651.07653.6638
C21.38261.22202.14362.14362.2812
C32.60451.22203.28863.28861.0593
H41.07652.14363.28861.84904.3154
H51.07652.14363.28861.84904.3154
H63.66382.28121.05934.31544.3154

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 120.813
C2 C1 H5 120.813 C2 C3 H6 180.000
H4 C1 H5 118.375
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability