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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-116.006363
Energy at 298.15K-116.007115
HF Energy-116.006363
Nuclear repulsion energy53.262161
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 3483 3347 57.21      
2 A1 3159 3036 2.93      
3 A1 2027 1947 4.81      
4 A1 1474 1416 0.35      
5 A1 1101 1058 2.43      
6 B1 677 651 46.98      
7 B1 436 419 11.18      
8 B1 385 370 44.03      
9 B2 3251 3123 2.69      
10 B2 1037 997 0.21      
11 B2 596 572 52.05      
12 B2 367 353 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 8996.6 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 8643.9 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
9.67578 0.31726 0.30719

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 -1.814
H5 0.000 -0.930 -1.814
H6 0.000 0.000 2.408

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.36902.59781.08511.08513.6627
C21.36901.22872.14092.14092.2937
C32.59781.22873.29133.29131.0650
H41.08512.14093.29131.85944.3234
H51.08512.14093.29131.85944.3234
H63.66272.29371.06504.32344.3234

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 121.040
C2 C1 H5 121.040 C2 C3 H6 180.000
H4 C1 H5 117.921
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 -0.369      
2 C 0.303      
3 C -0.363      
4 H 0.133      
5 H 0.133      
6 H 0.164      


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 0.003 0.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.406 0.000 0.000
y 0.000 -17.792 0.000
z 0.000 0.000 -12.536
Traceless
 xyz
x -4.243 0.000 0.000
y 0.000 -1.821 0.000
z 0.000 0.000 6.063
Polar
3z2-r212.127
x2-y2-1.615
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.711 0.000 0.000
y 0.000 2.536 0.000
z 0.000 0.000 7.899


<r2> (average value of r2) Å2
<r2> 44.811
(<r2>)1/2 6.694