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

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-116.000328
Energy at 298.15K-116.001012
Nuclear repulsion energy53.219785
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 BLYP/cc-pVTZ
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 3392 3382 57.81      
2 A1 3066 3057 2.76      
3 A1 1969 1963 0.05      
4 A1 1424 1420 1.29      
5 A1 1072 1069 0.84      
6 B1 673 671 41.81      
7 B1 405 404 44.55      
8 B1 382 381 10.70      
9 B2 3148 3138 1.77      
10 B2 1007 1004 0.87      
11 B2 580 579 50.27      
12 B2 338 337 3.90      

Unscaled Zero Point Vibrational Energy (zpe) 8728.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 8702.1 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 BLYP/cc-pVTZ
ABC
9.63160 0.31693 0.30683

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

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 0.114
C3 0.000 0.000 1.344
H4 0.000 0.932 -1.815
H5 0.000 -0.932 -1.815
H6 0.000 0.000 2.410

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.36862.59901.08741.08743.6651
C21.36861.23042.14242.14242.2966
C32.59901.23043.29403.29401.0662
H41.08742.14243.29401.86374.3272
H51.08742.14243.29401.86374.3272
H63.66512.29661.06624.32724.3272

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 121.028
C2 C1 H5 121.028 C2 C3 H6 180.000
H4 C1 H5 117.944
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.303      
2 C 0.097      
3 C -0.150      
4 H 0.114      
5 H 0.114      
6 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.065 0.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.191 0.000 0.000
y 0.000 -18.528 0.000
z 0.000 0.000 -13.174
Traceless
 xyz
x -4.340 0.000 0.000
y 0.000 -1.846 0.000
z 0.000 0.000 6.186
Polar
3z2-r212.371
x2-y2-1.662
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 45.306
(<r2>)1/2 6.731