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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-115.953365
Energy at 298.15K-115.953925
HF Energy-115.953365
Nuclear repulsion energy52.934332
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/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 3409 3383 54.21      
2 A1 3078 3054 3.77      
3 A1 1984 1969 1.71      
4 A1 1437 1426 0.44      
5 A1 1082 1074 1.34      
6 B1 656 651 44.34      
7 B1 430 427 8.21      
8 B1 285 283 44.07      
9 B2 3162 3138 4.41      
10 B2 1011 1004 0.20      
11 B2 537 532 50.28      
12 B2 351 348 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 8711.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 8644.3 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/6-31G**
ABC
9.56823 0.31348 0.30354

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

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 0.113
C3 0.000 0.000 1.353
H4 0.000 0.935 -1.826
H5 0.000 -0.935 -1.826
H6 0.000 0.000 2.423

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.37342.61321.09241.09243.6840
C21.37341.23982.15212.15212.3107
C32.61321.23983.31293.31291.0708
H41.09242.15213.31291.86984.3507
H51.09242.15213.31291.86984.3507
H63.68402.31071.07084.35074.3507

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 121.147
C2 C1 H5 121.147 C2 C3 H6 180.000
H4 C1 H5 117.707
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 C 0.352      
3 C -0.348      
4 H 0.117      
5 H 0.117      
6 H 0.129      


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 0.036 0.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.364 0.000 0.000
y 0.000 -17.809 0.000
z 0.000 0.000 -12.765
Traceless
 xyz
x -4.077 0.000 0.000
y 0.000 -1.745 0.000
z 0.000 0.000 5.822
Polar
3z2-r211.644
x2-y2-1.555
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.728 0.000 0.000
y 0.000 2.589 0.000
z 0.000 0.000 8.127


<r2> (average value of r2) Å2
<r2> 45.272
(<r2>)1/2 6.728