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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-115.990521
Energy at 298.15K-115.991264
HF Energy-115.990521
Nuclear repulsion energy53.465005
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 mPW1PW91/6-311G*
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 3485 3326 44.86      
2 A1 3171 3026 4.36      
3 A1 2021 1928 4.25      
4 A1 1468 1401 1.15      
5 A1 1099 1049 2.80      
6 B1 667 636 50.31      
7 B1 430 411 59.55      
8 B1 388 370 1.06      
9 B2 3266 3117 2.22      
10 B2 1040 993 0.27      
11 B2 615 587 54.50      
12 B2 352 336 5.55      

Unscaled Zero Point Vibrational Energy (zpe) 9000.4 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8590.0 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 mPW1PW91/6-311G*
ABC
9.68365 0.31986 0.30964

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.250
C2 0.000 0.000 0.115
C3 0.000 0.000 1.337
H4 0.000 0.929 -1.806
H5 0.000 -0.929 -1.806
H6 0.000 0.000 2.400

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.36572.58701.08271.08273.6503
C21.36571.22132.13422.13422.2846
C32.58701.22133.27713.27711.0633
H41.08272.13423.27711.85874.3074
H51.08272.13423.27711.85874.3074
H63.65032.28461.06334.30744.3074

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 120.872
C2 C1 H5 120.872 C2 C3 H6 180.000
H4 C1 H5 118.256
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 C 0.056      
3 C -0.265      
4 H 0.247      
5 H 0.247      
6 H 0.251      


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 -0.085 0.085
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.087 0.000 0.000
y 0.000 -18.176 0.000
z 0.000 0.000 -12.246
Traceless
 xyz
x -4.876 0.000 0.000
y 0.000 -2.009 0.000
z 0.000 0.000 6.885
Polar
3z2-r213.771
x2-y2-1.911
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.232 0.000 0.000
y 0.000 2.768 0.000
z 0.000 0.000 8.077


<r2> (average value of r2) Å2
<r2> 44.706
(<r2>)1/2 6.686