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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-193.571821
Energy at 298.15K-193.578936
HF Energy-193.571821
Nuclear repulsion energy164.028082
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 LSDA/6-31G**
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 3182 3122 3.85      
2 A1 3125 3066 8.23      
3 A1 2955 2900 20.09      
4 A1 1483 1455 0.01      
5 A1 1418 1392 11.50      
6 A1 1255 1231 1.53      
7 A1 1083 1063 3.40      
8 A1 1045 1026 0.09      
9 A1 929 912 6.52      
10 A1 798 783 0.51      
11 A2 2965 2910 0.00      
12 A2 1164 1142 0.00      
13 A2 938 920 0.00      
14 A2 599 588 0.00      
15 A2 108 106 0.00      
16 B1 2983 2927 24.69      
17 B1 1093 1072 1.39      
18 B1 926 909 3.18      
19 B1 776 761 0.97      
20 B1 592 581 52.86      
21 B1 424 416 11.32      
22 B2 3173 3113 2.73      
23 B2 2943 2888 26.34      
24 B2 1477 1449 0.00      
25 B2 1388 1362 5.66      
26 B2 1297 1273 6.20      
27 B2 1244 1221 3.70      
28 B2 1058 1038 1.58      
29 B2 924 907 22.17      
30 B2 713 700 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 22028.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 21616.2 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 LSDA/6-31G**
ABC
0.26329 0.25879 0.13711

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.260
C2 0.000 1.143 0.497
C3 0.000 -1.143 0.497
C4 0.000 0.765 -0.950
C5 0.000 -0.765 -0.950
H6 0.000 0.000 2.357
H7 0.000 2.212 0.718
H8 0.000 -2.212 0.718
H9 0.878 1.187 -1.480
H10 -0.878 1.187 -1.480
H11 0.878 -1.187 -1.480
H12 -0.878 -1.187 -1.480

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37421.37422.33882.33881.09622.27742.27743.11233.11233.11233.1123
C21.37422.28521.49512.39412.18271.09193.36182.16302.16303.17863.1786
C31.37422.28522.39411.49512.18273.36181.09193.17863.17862.16302.1630
C42.33881.49512.39411.53003.39382.20803.41231.10871.10872.20492.2049
C52.33882.39411.49511.53003.39383.41232.20802.20492.20491.10871.1087
H61.09622.18272.18273.39383.39382.75272.75274.11044.11044.11044.1104
H72.27741.09193.36182.20803.41232.75274.42382.57892.57894.14154.1415
H82.27743.36181.09193.41232.20802.75274.42384.14154.14152.57892.5789
H93.11232.16303.17861.10872.20494.11042.57894.14151.75572.37392.9526
H103.11232.16303.17861.10872.20494.11042.57894.14151.75572.95262.3739
H113.11233.17862.16302.20491.10874.11044.14152.57892.37392.95261.7557
H123.11233.17862.16302.20491.10874.11044.14152.57892.95262.37391.7557

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 109.125 C1 C2 H7 134.555
C1 C3 C5 109.125 C1 C3 H8 134.555
C2 C1 C3 112.493 C2 C1 H6 123.754
C2 C4 C5 104.628 C2 C4 H9 111.480
C2 C4 H10 111.480 C3 C1 H6 123.754
C3 C5 C4 104.628 C3 C5 H11 111.480
C3 C5 H12 111.480 C4 C2 H7 116.320
C4 C5 H11 112.369 C4 C5 H12 112.369
C5 C3 H8 116.320 C5 C4 H9 112.369
C5 C4 H10 112.369 H9 C4 H10 104.702
H11 C5 H12 104.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 C -0.128      
3 C -0.128      
4 C -0.303      
5 C -0.303      
6 H 0.108      
7 H 0.116      
8 H 0.116      
9 H 0.146      
10 H 0.146      
11 H 0.146      
12 H 0.146      


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 -0.538 0.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.120 0.000 0.000
y 0.000 -28.496 0.000
z 0.000 0.000 -29.388
Traceless
 xyz
x -3.178 0.000 0.000
y 0.000 2.258 0.000
z 0.000 0.000 0.920
Polar
3z2-r21.840
x2-y2-3.625
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.655 0.000 0.000
y 0.000 9.349 0.000
z 0.000 0.000 8.270


<r2> (average value of r2) Å2
<r2> 98.590
(<r2>)1/2 9.929