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

using model chemistry: ROHF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at ROHF/CEP-31G
 hartrees
Energy at 0K-19.280407
Energy at 298.15K-19.284764
HF Energy-19.280407
Nuclear repulsion energy35.624595
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 ROHF/CEP-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 3436 3122 82.23      
2 A1 3357 3050 12.96      
3 A1 3324 3020 23.12      
4 A1 1628 1479 3.52      
5 A1 1340 1218 0.03      
6 A1 1062 964 0.20      
7 A1 450 408 0.01      
8 A2 823 748 0.00      
9 A2 571 519 0.00      
10 B1 1052 956 26.35      
11 B1 855 776 168.45      
12 B1 547 497 19.41      
13 B2 3427 3113 24.77      
14 B2 3322 3018 44.31      
15 B2 1629 1480 0.73      
16 B2 1529 1389 5.28      
17 B2 1290 1172 0.00      
18 B2 999 908 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 15319.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13917.5 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 ROHF/CEP-31G
ABC
1.75884 0.33317 0.28011

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.465
H2 0.000 0.000 1.546
C3 0.000 1.251 -0.205
C4 0.000 -1.251 -0.205
H5 0.000 2.181 0.345
H6 0.000 -2.181 0.345
H7 0.000 1.307 -1.285
H8 0.000 -1.307 -1.285

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08091.41951.41952.18462.18462.18422.1842
H21.08092.15242.15242.49012.49013.11813.1181
C31.41952.15242.50221.08093.47631.08112.7762
C41.41952.15242.50223.47631.08092.77621.0811
H52.18462.49011.08093.47634.36261.85013.8500
H62.18462.49013.47631.08094.36263.85001.8501
H72.18423.11811.08112.77621.85013.85002.6131
H82.18423.11812.77621.08113.85001.85012.6131

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 121.193 C1 C3 H7 121.130
C1 C4 H6 121.193 C1 C4 H8 121.130
H2 C1 C3 118.190 H2 C1 C4 118.190
C3 C1 C4 123.621 H5 C3 H7 117.677
H6 C4 H8 117.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.115      
2 H 0.238      
3 C -0.506      
4 C -0.506      
5 H 0.150      
6 H 0.150      
7 H 0.180      
8 H 0.180      


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 0.057 0.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.586 0.000 0.000
y 0.000 -18.026 0.000
z 0.000 0.000 -17.501
Traceless
 xyz
x -4.823 0.000 0.000
y 0.000 2.018 0.000
z 0.000 0.000 2.804
Polar
3z2-r25.609
x2-y2-4.560
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> 44.686
(<r2>)1/2 6.685