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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-115.223628
Energy at 298.15K-115.224465
HF Energy-115.223628
Nuclear repulsion energy52.894249
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 HF/LANL2DZ
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 3633 3270 40.03      
2 A1 3315 2984 16.61      
3 A1 1869 1682 10.11      
4 A1 1584 1425 0.92      
5 A1 1080 971 3.14      
6 B1 730 657 63.41      
7 B1 451 406 76.97      
8 B1 396 356 5.25      
9 B2 3432 3089 11.63      
10 B2 1121 1009 0.29      
11 B2 684 615 73.41      
12 B2 354 319 12.62      

Unscaled Zero Point Vibrational Energy (zpe) 9324.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 8391.5 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 HF/LANL2DZ
ABC
9.80184 0.31100 0.30143

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.272
C2 0.000 0.000 0.119
C3 0.000 0.000 1.358
H4 0.000 0.924 -1.820
H5 0.000 -0.924 -1.820
H6 0.000 0.000 2.413

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.39052.62951.07411.07413.6846
C21.39051.23902.14752.14752.2941
C32.62951.23903.30923.30921.0551
H41.07412.14753.30921.84744.3324
H51.07412.14753.30921.84744.3324
H63.68462.29411.05514.33244.3324

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 120.686
C2 C1 H5 120.686 C2 C3 H6 180.000
H4 C1 H5 118.629
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.427      
2 C 0.110      
3 C -0.353      
4 H 0.203      
5 H 0.203      
6 H 0.265      


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 -0.185 0.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.612 0.000 0.000
y 0.000 -18.750 0.000
z 0.000 0.000 -12.766
Traceless
 xyz
x -4.855 0.000 0.000
y 0.000 -2.061 0.000
z 0.000 0.000 6.916
Polar
3z2-r213.831
x2-y2-1.862
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.800 0.000 0.000
y 0.000 2.367 0.000
z 0.000 0.000 6.968


<r2> (average value of r2) Å2
<r2> 45.855
(<r2>)1/2 6.772