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

using model chemistry: ROHF/CEP-121G

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-121G
 hartrees
Energy at 0K-19.288036
Energy at 298.15K-19.292388
HF Energy-19.288036
Nuclear repulsion energy35.791937
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-121G
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 3378 3069 53.63      
2 A1 3294 2993 10.71      
3 A1 3259 2961 16.83      
4 A1 1616 1468 2.88      
5 A1 1320 1199 0.16      
6 A1 1051 955 0.13      
7 A1 448 407 0.00      
8 A2 802 729 0.00      
9 A2 563 512 0.00      
10 B1 1023 930 24.83      
11 B1 827 752 121.29      
12 B1 541 492 17.21      
13 B2 3371 3063 14.92      
14 B2 3256 2958 27.52      
15 B2 1610 1463 1.09      
16 B2 1521 1381 4.80      
17 B2 1262 1147 0.00      
18 B2 1001 909 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 15072.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13692.9 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 ROHF/CEP-121G
ABC
1.79639 0.33521 0.28249

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.456
H2 0.000 0.000 1.535
C3 0.000 1.247 -0.202
C4 0.000 -1.247 -0.202
H5 0.000 2.170 0.352
H6 0.000 -2.170 0.352
H7 0.000 1.311 -1.278
H8 0.000 -1.311 -1.278

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.07901.40991.40992.17282.17282.17372.1737
H21.07902.13802.13802.47172.47173.10343.1034
C31.40992.13802.49441.07653.46211.07822.7753
C41.40992.13802.49443.46211.07652.77531.0782
H52.17282.47171.07653.46214.34071.84293.8440
H62.17282.47173.46211.07654.34073.84401.8429
H72.17373.10341.07822.77531.84293.84402.6217
H82.17373.10342.77531.07823.84401.84292.6217

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 121.242 C1 C3 H7 121.183
C1 C4 H6 121.242 C1 C4 H8 121.183
H2 C1 C3 117.799 H2 C1 C4 117.799
C3 C1 C4 124.402 H5 C3 H7 117.575
H6 C4 H8 117.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.083      
2 H 0.148      
3 C -0.394      
4 C -0.394      
5 H 0.132      
6 H 0.132      
7 H 0.146      
8 H 0.146      


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 0.051 0.051
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.640 0.000 0.000
y 0.000 -18.105 0.000
z 0.000 0.000 -17.791
Traceless
 xyz
x -4.692 0.000 0.000
y 0.000 2.111 0.000
z 0.000 0.000 2.582
Polar
3z2-r25.163
x2-y2-4.535
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> 44.516
(<r2>)1/2 6.672