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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-115.927635
Energy at 298.15K-115.928346
Nuclear repulsion energy52.793634
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 3424 3398 45.53      
2 A1 3087 3063 5.52      
3 A1 1987 1972 2.39      
4 A1 1463 1452 1.12      
5 A1 1083 1075 1.54      
6 B1 708 702 62.15      
7 B1 425 421 6.23      
8 B1 366 363 59.84      
9 B2 3173 3149 8.70      
10 B2 1039 1031 0.00      
11 B2 582 577 64.82      
12 B2 354 351 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 8844.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 8777.1 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 BLYP/6-31G
ABC
9.61036 0.31147 0.30169

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 -1.264
C2 0.000 0.000 0.113
C3 0.000 0.000 1.357
H4 0.000 0.933 -1.833
H5 0.000 -0.933 -1.833
H6 0.000 0.000 2.428

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.37752.62161.09281.09283.6924
C21.37751.24422.15872.15872.3149
C32.62161.24423.32453.32451.0707
H41.09282.15873.32451.86574.3626
H51.09282.15873.32451.86574.3626
H63.69242.31491.07074.36264.3626

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 121.393
C2 C1 H5 121.393 C2 C3 H6 180.000
H4 C1 H5 117.214
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 -0.329      
2 C 0.169      
3 C -0.325      
4 H 0.143      
5 H 0.143      
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 0.023 0.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.480 0.000 0.000
y 0.000 -17.888 0.000
z 0.000 0.000 -12.870
Traceless
 xyz
x -4.101 0.000 0.000
y 0.000 -1.713 0.000
z 0.000 0.000 5.813
Polar
3z2-r211.627
x2-y2-1.592
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> 45.541
(<r2>)1/2 6.748