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

using model chemistry: PBEPBE/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 PBEPBE/CEP-121G
 hartrees
Energy at 0K-19.862322
Energy at 298.15K-19.866539
HF Energy-19.862322
Nuclear repulsion energy35.520402
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 PBEPBE/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 3168 3168 40.56      
2 A1 3059 3059 3.38      
3 A1 3046 3046 23.03      
4 A1 1473 1473 3.63      
5 A1 1232 1232 0.61      
6 A1 1004 1004 0.32      
7 A1 412 412 0.03      
8 A2 785 785 0.00      
9 A2 534 534 0.00      
10 B1 985 985 21.01      
11 B1 817 817 113.86      
12 B1 517 517 19.89      
13 B2 3162 3162 9.90      
14 B2 3044 3044 14.88      
15 B2 1473 1473 1.63      
16 B2 1384 1384 7.80      
17 B2 1203 1203 0.20      
18 B2 912 912 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 14104.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14104.2 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 PBEPBE/CEP-121G
ABC
1.77412 0.33273 0.28018

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.453
H2 0.000 0.000 1.553
C3 0.000 1.250 -0.200
C4 0.000 -1.250 -0.200
H5 0.000 2.190 0.363
H6 0.000 -2.190 0.363
H7 0.000 1.317 -1.296
H8 0.000 -1.317 -1.296

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10071.41031.41032.19162.19162.18902.1890
H21.10072.15352.15352.49242.49243.13893.1389
C31.41032.15352.50021.09563.48571.09792.7909
C41.41032.15352.50023.48571.09562.79091.0979
H52.19162.49241.09563.48574.37961.87483.8792
H62.19162.49243.48571.09564.37963.87921.8748
H72.18903.13891.09792.79091.87483.87922.6335
H82.18903.13892.79091.09793.87921.87482.6335

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 121.486 C1 C3 H7 121.058
C1 C4 H6 121.486 C1 C4 H8 121.058
H2 C1 C3 117.577 H2 C1 C4 117.577
C3 C1 C4 124.845 H5 C3 H7 117.456
H6 C4 H8 117.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.137      
2 H 0.128      
3 C -0.403      
4 C -0.403      
5 H 0.131      
6 H 0.131      
7 H 0.140      
8 H 0.140      


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 0.077 0.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.494 0.000 0.000
y 0.000 -17.818 0.000
z 0.000 0.000 -17.576
Traceless
 xyz
x -4.797 0.000 0.000
y 0.000 2.217 0.000
z 0.000 0.000 2.580
Polar
3z2-r25.160
x2-y2-4.676
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.640 0.000 0.000
y 0.000 8.267 0.000
z 0.000 0.000 5.013


<r2> (average value of r2) Å2
<r2> 44.788
(<r2>)1/2 6.692