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

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-115.313971
Energy at 298.15K-115.314707
HF Energy-115.313971
Nuclear repulsion energy53.173715
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 LSDA/6-31+G**
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 3400 3349 82.99      
2 A1 3092 3045 0.01      
3 A1 2031 2000 0.85      
4 A1 1395 1374 5.02      
5 A1 1117 1100 0.80      
6 B1 694 684 69.50      
7 B1 439 433 0.84      
8 B1 387 382 80.00      
9 B2 3185 3138 0.15      
10 B2 982 967 0.01      
11 B2 566 557 73.13      
12 B2 365 360 6.88      

Unscaled Zero Point Vibrational Energy (zpe) 8826.7 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 8694.3 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 LSDA/6-31+G**
ABC
9.48572 0.31743 0.30716

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.251
C2 0.000 0.000 0.107
C3 0.000 0.000 1.345
H4 0.000 0.939 -1.814
H5 0.000 -0.939 -1.814
H6 0.000 0.000 2.421

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.35742.59541.09491.09493.6715
C21.35741.23792.13782.13782.3140
C32.59541.23793.29513.29511.0761
H41.09492.13783.29511.87804.3374
H51.09492.13783.29511.87804.3374
H63.67152.31401.07614.33744.3374

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 120.952
C2 C1 H5 120.952 C2 C3 H6 180.000
H4 C1 H5 118.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.631      
2 C 0.317      
3 C -0.310      
4 H 0.194      
5 H 0.194      
6 H 0.236      


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 -0.047 0.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.637 0.000 0.000
y 0.000 -18.538 0.000
z 0.000 0.000 -12.756
Traceless
 xyz
x -4.990 0.000 0.000
y 0.000 -1.842 0.000
z 0.000 0.000 6.832
Polar
3z2-r213.663
x2-y2-2.099
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.032 0.000 0.000
y 0.000 3.237 0.000
z 0.000 0.000 9.326


<r2> (average value of r2) Å2
<r2> 45.317
(<r2>)1/2 6.732