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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-115.981034
Energy at 298.15K-115.981540
Nuclear repulsion energy53.096525
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/6-311G*
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 3383 3375 44.49      
2 A1 3058 3051 5.66      
3 A1 1968 1963 0.61      
4 A1 1431 1427 1.19      
5 A1 1072 1069 1.07      
6 B1 649 648 48.11      
7 B1 399 398 27.76      
8 B1 283 282 30.36      
9 B2 3140 3132 5.64      
10 B2 1015 1012 0.26      
11 B2 541 540 55.78      
12 B2 329 328 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 8634.4 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 8612.8 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/6-311G*
ABC
9.59637 0.31550 0.30545

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.257
C2 0.000 0.000 0.114
C3 0.000 0.000 1.347
H4 0.000 0.934 -1.821
H5 0.000 -0.934 -1.821
H6 0.000 0.000 2.417

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.37132.60421.09091.09093.6736
C21.37131.23292.14912.14912.3023
C32.60421.23293.30333.30331.0694
H41.09092.14913.30331.86714.3397
H51.09092.14913.30331.86714.3397
H63.67362.30231.06944.33974.3397

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 121.160
C2 C1 H5 121.160 C2 C3 H6 180.000
H4 C1 H5 117.681
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.507      
2 C 0.065      
3 C -0.230      
4 H 0.218      
5 H 0.218      
6 H 0.238      


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 -0.015 0.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.180 0.000 0.000
y 0.000 -18.384 0.000
z 0.000 0.000 -12.828
Traceless
 xyz
x -4.574 0.000 0.000
y 0.000 -1.880 0.000
z 0.000 0.000 6.454
Polar
3z2-r212.907
x2-y2-1.796
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> 45.366
(<r2>)1/2 6.735