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

using model chemistry: mPW1PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-115.974637
Energy at 298.15K-115.975463
HF Energy-115.974637
Nuclear repulsion energy53.152122
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/cc-pVDZ
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 3499 3353 63.17      
2 A1 3176 3043 1.26      
3 A1 2029 1944 4.01      
4 A1 1437 1377 0.97      
5 A1 1108 1062 2.63      
6 B1 669 641 42.76      
7 B1 471 452 43.52      
8 B1 415 398 5.80      
9 B2 3284 3147 0.16      
10 B2 1016 974 0.33      
11 B2 641 615 45.46      
12 B2 353 339 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 9049.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 8672.0 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/cc-pVDZ
ABC
9.51240 0.31647 0.30628

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.256
C2 0.000 0.000 0.113
C3 0.000 0.000 1.345
H4 0.000 0.938 -1.813
H5 0.000 -0.938 -1.813
H6 0.000 0.000 2.416

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6
C11.36982.60121.09031.09033.6722
C21.36981.23142.14232.14232.3024
C32.60121.23143.29393.29391.0710
H41.09032.14233.29391.87534.3313
H51.09032.14233.29391.87534.3313
H63.67222.30241.07104.33134.3313

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 120.684
C2 C1 H5 120.684 C2 C3 H6 180.000
H4 C1 H5 118.631
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.074      
2 C 0.260      
3 C -0.364      
4 H 0.082      
5 H 0.082      
6 H 0.013      


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 -0.072 0.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.767 0.000 0.000
y 0.000 -18.058 0.000
z 0.000 0.000 -12.416
Traceless
 xyz
x -4.530 0.000 0.000
y 0.000 -1.966 0.000
z 0.000 0.000 6.496
Polar
3z2-r212.992
x2-y2-1.709
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.036 0.000 0.000
y 0.000 2.744 0.000
z 0.000 0.000 8.149


<r2> (average value of r2) Å2
<r2> 45.026
(<r2>)1/2 6.710