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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-116.001281
Energy at 298.15K-116.001994
HF Energy-116.001281
Nuclear repulsion energy53.255542
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 B3LYP/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 3488 3349 51.50      
2 A1 3170 3044 3.55      
3 A1 2030 1949 4.97      
4 A1 1486 1427 0.26      
5 A1 1103 1059 2.46      
6 B1 672 646 49.38      
7 B1 437 420 11.81      
8 B1 361 347 45.35      
9 B2 3256 3127 3.39      
10 B2 1047 1005 0.16      
11 B2 587 564 53.02      
12 B2 367 353 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 9001.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 8644.4 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 B3LYP/6-31G*
ABC
9.67884 0.31719 0.30712

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

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 0.115
C3 0.000 0.000 1.343
H4 0.000 0.930 -1.815
H5 0.000 -0.930 -1.815
H6 0.000 0.000 2.409

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.36942.59771.08561.08563.6636
C21.36941.22832.14232.14232.2942
C32.59771.22833.29243.29241.0659
H41.08562.14233.29241.85914.3254
H51.08562.14233.29241.85914.3254
H63.66362.29421.06594.32544.3254

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 121.100
C2 C1 H5 121.100 C2 C3 H6 180.000
H4 C1 H5 117.800
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.489      
2 C 0.359      
3 C -0.418      
4 H 0.174      
5 H 0.174      
6 H 0.200      


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 0.019 0.019
CHELPG 0.000 0.000 0.037 0.037
AIM 0.000 0.000 -0.006 0.006
ESP 0.000 0.000 0.011 0.011


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.444 0.000 0.000
y 0.000 -17.794 0.000
z 0.000 0.000 -12.500
Traceless
 xyz
x -4.296 0.000 0.000
y 0.000 -1.822 0.000
z 0.000 0.000 6.118
Polar
3z2-r212.237
x2-y2-1.650
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.675 0.000 0.000
y 0.000 2.503 0.000
z 0.000 0.000 7.838


<r2> (average value of r2) Å2
<r2> 44.824
(<r2>)1/2 6.695