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All results from a given calculation for C5H7 (cyclopentenyl radical)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-193.618028
Energy at 298.15K-193.625322
HF Energy-193.618028
Nuclear repulsion energy162.401419
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3256 3141 7.18      
2 A1 3200 3088 9.35      
3 A1 3043 2936 26.04      
4 A1 1545 1491 6.08      
5 A1 1485 1433 0.08      
6 A1 1275 1230 1.22      
7 A1 1119 1080 3.32      
8 A1 1024 988 0.06      
9 A1 893 862 3.35      
10 A1 827 798 0.07      
11 A2 3050 2943 0.00      
12 A2 1268 1223 0.00      
13 A2 1009 973 0.00      
14 A2 622 600 0.00      
15 A2 134 129 0.00      
16 B1 3072 2964 39.02      
17 B1 1191 1149 1.19      
18 B1 973 939 5.64      
19 B1 817 788 0.79      
20 B1 608 586 69.67      
21 B1 433 418 10.35      
22 B2 3244 3130 7.28      
23 B2 3030 2924 28.62      
24 B2 1524 1470 1.39      
25 B2 1432 1381 7.94      
26 B2 1353 1305 1.27      
27 B2 1295 1249 9.54      
28 B2 1112 1073 0.74      
29 B2 897 866 12.17      
30 B2 744 718 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 22735.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 21937.0 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 B3LYP/3-21G
ABC
0.25823 0.25133 0.13374

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.272
C2 0.000 1.153 0.513
C3 0.000 -1.153 0.513
C4 0.000 0.782 -0.973
C5 0.000 -0.782 -0.973
H6 0.000 0.000 2.356
H7 0.000 2.210 0.733
H8 0.000 -2.210 0.733
H9 0.884 1.188 -1.482
H10 -0.884 1.188 -1.482
H11 0.884 -1.188 -1.482
H12 -0.884 -1.188 -1.482

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38061.38062.37772.37771.08412.27512.27513.12713.12713.12713.1271
C21.38062.30571.53122.43982.17441.08033.37052.18222.18223.20003.2000
C31.38062.30572.43981.53122.17443.37051.08033.20003.20002.18222.1822
C42.37771.53122.43981.56493.42012.22503.44501.09801.09802.21882.2188
C52.37772.43981.53121.56493.42013.44502.22502.21882.21881.09801.0980
H61.08412.17442.17443.42013.42012.74232.74234.11414.11414.11414.1141
H72.27511.08033.37052.22503.44502.74234.42072.59522.59524.15184.1518
H82.27513.37051.08033.44502.22502.74234.42074.15184.15182.59522.5952
H93.12712.18223.20001.09802.21884.11412.59524.15181.76902.37562.9619
H103.12712.18223.20001.09802.21884.11412.59524.15181.76902.96192.3756
H113.12713.20002.18222.21881.09804.11414.15182.59522.37562.96191.7690
H123.12713.20002.18222.21881.09804.11414.15182.59522.96192.37561.7690

picture of cyclopentenyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 109.378 C1 C2 H7 134.840
C1 C3 C5 109.378 C1 C3 H8 134.840
C2 C1 C3 113.245 C2 C1 H6 123.378
C2 C4 C5 104.000 C2 C4 H9 111.126
C2 C4 H10 111.126 C3 C1 H6 123.378
C3 C5 C4 104.000 C3 C5 H11 111.126
C3 C5 H12 111.126 C4 C2 H7 115.782
C4 C5 H11 111.666 C4 C5 H12 111.666
C5 C3 H8 115.782 C5 C4 H9 111.666
C5 C4 H10 111.666 H9 C4 H10 107.321
H11 C5 H12 107.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186      
2 C -0.169      
3 C -0.169      
4 C -0.413      
5 C -0.413      
6 H 0.180      
7 H 0.183      
8 H 0.183      
9 H 0.201      
10 H 0.201      
11 H 0.201      
12 H 0.201      


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 -0.340 0.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.886 0.000 0.000
y 0.000 -28.553 0.000
z 0.000 0.000 -29.702
Traceless
 xyz
x -3.758 0.000 0.000
y 0.000 2.741 0.000
z 0.000 0.000 1.018
Polar
3z2-r22.035
x2-y2-4.332
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.002 0.000 0.000
y 0.000 8.554 0.000
z 0.000 0.000 7.383


<r2> (average value of r2) Å2
<r2> 100.454
(<r2>)1/2 10.023