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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-115.929526
Energy at 298.15K-115.930427
Nuclear repulsion energy53.137681
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 B3PW91/6-31G
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 3507 3359 48.01      
2 A1 3181 3046 4.15      
3 A1 2031 1945 5.64      
4 A1 1494 1431 1.52      
5 A1 1110 1063 2.95      
6 B1 736 705 72.58      
7 B1 483 463 55.09      
8 B1 427 409 17.73      
9 B2 3278 3140 4.68      
10 B2 1064 1019 0.03      
11 B2 660 632 71.03      
12 B2 370 354 5.92      

Unscaled Zero Point Vibrational Energy (zpe) 9169.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8781.8 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 B3PW91/6-31G
ABC
9.70940 0.31551 0.30558

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

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 1.348
H4 0.000 0.928 -1.819
H5 0.000 -0.928 -1.819
H6 0.000 0.000 2.413

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.37122.60521.08511.08513.6702
C21.37121.23402.14452.14452.2990
C32.60521.23403.30053.30051.0649
H41.08512.14453.30051.85624.3328
H51.08512.14453.30051.85624.3328
H63.67022.29901.06494.33284.3328

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 121.201
C2 C1 H5 121.201 C2 C3 H6 180.000
H4 C1 H5 117.597
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.360      
2 C 0.078      
3 C -0.366      
4 H 0.186      
5 H 0.186      
6 H 0.276      


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 -0.048 0.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.590 0.000 0.000
y 0.000 -17.842 0.000
z 0.000 0.000 -12.354
Traceless
 xyz
x -4.493 0.000 0.000
y 0.000 -1.870 0.000
z 0.000 0.000 6.362
Polar
3z2-r212.725
x2-y2-1.748
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> 44.994
(<r2>)1/2 6.708