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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-19.321898
Energy at 298.15K-19.326188
HF Energy-19.321898
Nuclear repulsion energy35.697122
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 3430 3116 56.55      
2 A1 3358 3051 11.74      
3 A1 3331 3027 17.80      
4 A1 1627 1478 1.86      
5 A1 1332 1210 0.19      
6 A1 1061 964 0.03      
7 A1 440 400 0.09      
8 A2 774 703 0.00      
9 A2 567 515 0.00      
10 B1 1040 945 31.25      
11 B1 802 729 131.75      
12 B1 542 492 19.38      
13 B2 3421 3108 16.82      
14 B2 3328 3023 36.36      
15 B2 1628 1479 0.00      
16 B2 1508 1370 1.94      
17 B2 1257 1142 0.01      
18 B2 975 885 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15210.4 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13818.6 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
1.75979 0.33591 0.28207

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 1.547
C3 0.000 1.246 -0.205
C4 0.000 -1.246 -0.205
H5 0.000 2.177 0.346
H6 0.000 -2.177 0.346
H7 0.000 1.298 -1.286
H8 0.000 -1.298 -1.286

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08261.41401.41402.18062.18062.17922.1792
H21.08262.14962.14962.48702.48703.11623.1162
C31.41402.14962.49111.08213.46681.08222.7638
C41.41402.14962.49113.46681.08212.76381.0822
H52.18062.48701.08213.46684.35471.85303.8392
H62.18062.48703.46681.08214.35473.83921.8530
H72.17923.11621.08222.76381.85303.83922.5962
H82.17923.11622.76381.08223.83921.85302.5962

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 121.186 C1 C3 H7 121.039
C1 C4 H6 121.186 C1 C4 H8 121.039
H2 C1 C3 118.254 H2 C1 C4 118.254
C3 C1 C4 123.491 H5 C3 H7 117.775
H6 C4 H8 117.775
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 0.124      
2 H 0.265      
3 C -0.574      
4 C -0.574      
5 H 0.176      
6 H 0.176      
7 H 0.203      
8 H 0.203      


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 0.050 0.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.432 0.000 0.000
y 0.000 -17.806 0.000
z 0.000 0.000 -17.296
Traceless
 xyz
x -4.881 0.000 0.000
y 0.000 2.058 0.000
z 0.000 0.000 2.823
Polar
3z2-r25.647
x2-y2-4.626
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> 44.379
(<r2>)1/2 6.662