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

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-115.866256
Energy at 298.15K-115.866779
HF Energy-115.866256
Nuclear repulsion energy53.105952
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 PBEPBE/6-311G*
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 3394 3359 45.70      
2 A1 3075 3043 4.05      
3 A1 1979 1958 0.99      
4 A1 1417 1402 1.86      
5 A1 1086 1074 1.36      
6 B1 646 639 50.17      
7 B1 399 395 30.51      
8 B1 297 294 28.28      
9 B2 3162 3129 2.99      
10 B2 1003 993 0.14      
11 B2 545 539 56.04      
12 B2 330 326 2.57      

Unscaled Zero Point Vibrational Energy (zpe) 8665.3 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 8575.1 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 PBEPBE/6-311G*
ABC
9.54951 0.31592 0.30580

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.256
C2 0.000 0.000 0.112
C3 0.000 0.000 1.347
H4 0.000 0.936 -1.819
H5 0.000 -0.936 -1.819
H6 0.000 0.000 2.418

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.36792.60241.09231.09233.6739
C21.36791.23452.14602.14602.3060
C32.60241.23453.30113.30111.0715
H41.09232.14603.30111.87174.3393
H51.09232.14603.30111.87174.3393
H63.67392.30601.07154.33934.3393

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 121.042
C2 C1 H5 121.042 C2 C3 H6 180.000
H4 C1 H5 117.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.532      
2 C 0.085      
3 C -0.261      
4 H 0.235      
5 H 0.235      
6 H 0.239      


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 -0.043 0.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.159 0.000 0.000
y 0.000 -18.270 0.000
z 0.000 0.000 -12.487
Traceless
 xyz
x -4.780 0.000 0.000
y 0.000 -1.947 0.000
z 0.000 0.000 6.727
Polar
3z2-r213.454
x2-y2-1.889
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.270 0.000 0.000
y 0.000 2.856 0.000
z 0.000 0.000 8.427


<r2> (average value of r2) Å2
<r2> 45.235
(<r2>)1/2 6.726