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All results from a given calculation for C3H5 (Allyl radical)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-116.586321
Energy at 298.15K-116.590636
HF Energy-116.586321
Nuclear repulsion energy64.958130
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 mPW1PW91/3-21G*
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 3286 3121 14.89      
2 A1 3188 3027 2.07      
3 A1 3180 3020 10.56      
4 A1 1561 1482 3.62      
5 A1 1306 1240 0.23      
6 A1 1064 1010 0.60      
7 A1 446 424 0.04      
8 A2 805 764 0.00      
9 A2 560 532 0.00      
10 B1 1030 978 22.82      
11 B1 835 793 113.37      
12 B1 541 513 19.35      
13 B2 3282 3116 4.12      
14 B2 3182 3021 7.29      
15 B2 1539 1461 1.23      
16 B2 1472 1398 8.30      
17 B2 1238 1175 0.00      
18 B2 977 928 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 14745.1 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 14001.9 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 mPW1PW91/3-21G*
ABC
1.82338 0.34589 0.29074

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.446
H2 0.000 0.000 1.534
C3 0.000 1.225 -0.197
C4 0.000 -1.225 -0.197
H5 0.000 2.155 0.357
H6 0.000 -2.155 0.357
H7 0.000 1.288 -1.280
H8 0.000 -1.288 -1.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08781.38371.38372.15732.15732.15332.1533
H21.08782.12052.12052.45552.45553.09433.0943
C31.38372.12052.45051.08283.42591.08482.7363
C41.38372.12052.45053.42591.08282.73631.0848
H52.15732.45551.08283.42594.31091.85313.8125
H62.15732.45553.42591.08284.31093.81251.8531
H72.15333.09431.08482.73631.85313.81252.5752
H82.15333.09432.73631.08483.81251.85312.5752

picture of Allyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.520 C1 C3 H7 120.979
C1 C4 H6 121.520 C1 C4 H8 120.979
H2 C1 C3 117.685 H2 C1 C4 117.685
C3 C1 C4 124.629 H5 C3 H7 117.501
H6 C4 H8 117.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.258      
2 H 0.222      
3 C -0.409      
4 C -0.409      
5 H 0.216      
6 H 0.216      
7 H 0.212      
8 H 0.212      


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 0.038 0.038
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.126 0.000 0.000
y 0.000 -17.184 0.000
z 0.000 0.000 -17.160
Traceless
 xyz
x -4.954 0.000 0.000
y 0.000 2.459 0.000
z 0.000 0.000 2.495
Polar
3z2-r24.990
x2-y2-4.942
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.343 0.000 0.000
y 0.000 6.898 0.000
z 0.000 0.000 4.250


<r2> (average value of r2) Å2
<r2> 49.923
(<r2>)1/2 7.066