return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at BLYP/SDD
 hartrees
Energy at 0K-117.178202
Energy at 298.15K-117.182413
HF Energy-117.178202
Nuclear repulsion energy63.845326
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 BLYP/SDD
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 3196 3178 44.58      
2 A1 3082 3065 0.92      
3 A1 3069 3052 25.18      
4 A1 1486 1478 6.28      
5 A1 1238 1231 0.02      
6 A1 1006 1001 1.03      
7 A1 416 414 0.10      
8 A2 811 807 0.00      
9 A2 534 531 0.00      
10 B1 997 992 20.32      
11 B1 844 839 163.19      
12 B1 519 517 22.34      
13 B2 3187 3170 9.17      
14 B2 3074 3058 12.86      
15 B2 1484 1476 3.94      
16 B2 1395 1387 8.21      
17 B2 1211 1205 1.12      
18 B2 919 914 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 14234.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 14156.5 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 BLYP/SDD
ABC
1.79006 0.33105 0.27938

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.448
H2 0.000 0.000 1.548
C3 0.000 1.253 -0.199
C4 0.000 -1.253 -0.199
H5 0.000 2.189 0.369
H6 0.000 -2.189 0.369
H7 0.000 1.328 -1.293
H8 0.000 -1.328 -1.293

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10041.41071.41072.19082.19082.18942.1894
H21.10042.15062.15062.48702.48703.13613.1361
C31.41072.15062.50691.09473.48931.09622.8033
C41.41072.15062.50693.48931.09472.80331.0962
H52.19082.48701.09473.48934.37881.87163.8898
H62.19082.48703.48931.09474.37883.88981.8716
H72.18943.13611.09622.80331.87163.88982.6555
H82.18943.13612.80331.09623.88981.87162.6555

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 121.451 C1 C3 H7 121.194
C1 C4 H6 121.451 C1 C4 H8 121.194
H2 C1 C3 117.308 H2 C1 C4 117.308
C3 C1 C4 125.384 H5 C3 H7 117.355
H6 C4 H8 117.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 H 0.201      
3 C -0.527      
4 C -0.527      
5 H 0.201      
6 H 0.201      
7 H 0.209      
8 H 0.209      


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 0.086 0.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.440 0.000 0.000
y 0.000 -17.460 0.000
z 0.000 0.000 -17.022
Traceless
 xyz
x -5.199 0.000 0.000
y 0.000 2.271 0.000
z 0.000 0.000 2.927
Polar
3z2-r25.854
x2-y2-4.980
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.063 0.000 0.000
y 0.000 7.814 0.000
z 0.000 0.000 4.315


<r2> (average value of r2) Å2
<r2> 51.509
(<r2>)1/2 7.177