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

using model chemistry: PBE1PBE/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 PBE1PBE/CEP-121G*
 hartrees
Energy at 0K-19.889979
Energy at 298.15K-19.894186
HF Energy-19.889979
Nuclear repulsion energy35.882265
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 PBE1PBE/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 3263 3263 24.83      
2 A1 3163 3163 3.11      
3 A1 3155 3155 17.91      
4 A1 1514 1514 3.03      
5 A1 1261 1261 0.93      
6 A1 1027 1027 0.15      
7 A1 416 416 0.01      
8 A2 765 765 0.00      
9 A2 549 549 0.00      
10 B1 998 998 24.70      
11 B1 793 793 98.58      
12 B1 522 522 20.37      
13 B2 3261 3261 6.78      
14 B2 3151 3151 12.37      
15 B2 1509 1509 0.49      
16 B2 1404 1404 6.68      
17 B2 1190 1190 0.04      
18 B2 922 922 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 14431.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14431.9 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 PBE1PBE/CEP-121G*
ABC
1.79995 0.34114 0.28679

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.450
H2 0.000 0.000 1.543
C3 0.000 1.234 -0.199
C4 0.000 -1.234 -0.199
H5 0.000 2.168 0.359
H6 0.000 -2.168 0.359
H7 0.000 1.296 -1.287
H8 0.000 -1.296 -1.287

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09291.39401.39402.17042.17042.16672.1667
H21.09292.13422.13422.47062.47063.11193.1119
C31.39402.13422.46821.08793.44791.08992.7540
C41.39402.13422.46823.44791.08792.75401.0899
H52.17042.47061.08793.44794.33691.86243.8352
H62.17042.47063.44791.08794.33693.83521.8624
H72.16673.11191.08992.75401.86243.83522.5917
H82.16673.11192.75401.08993.83521.86242.5917

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 121.474 C1 C3 H7 120.962
C1 C4 H6 121.474 C1 C4 H8 120.962
H2 C1 C3 117.714 H2 C1 C4 117.714
C3 C1 C4 124.572 H5 C3 H7 117.564
H6 C4 H8 117.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.087      
2 H 0.185      
3 C -0.500      
4 C -0.500      
5 H 0.179      
6 H 0.179      
7 H 0.185      
8 H 0.185      


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 0.058 0.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.376 0.000 0.000
y 0.000 -17.514 0.000
z 0.000 0.000 -17.272
Traceless
 xyz
x -4.983 0.000 0.000
y 0.000 2.310 0.000
z 0.000 0.000 2.673
Polar
3z2-r25.346
x2-y2-4.862
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.772 0.000 0.000
y 0.000 7.931 0.000
z 0.000 0.000 4.878


<r2> (average value of r2) Å2
<r2> 43.920
(<r2>)1/2 6.627