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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-194.419644
Energy at 298.15K-194.426742
HF Energy-194.419644
Nuclear repulsion energy162.617483
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/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 3179 3135 6.85      
2 A1 3119 3076 14.30      
3 A1 2956 2916 33.91      
4 A1 1464 1444 0.01      
5 A1 1443 1423 5.36      
6 A1 1246 1229 0.41      
7 A1 1080 1065 3.07      
8 A1 1023 1009 0.01      
9 A1 902 890 4.07      
10 A1 788 777 0.33      
11 A2 2964 2924 0.00      
12 A2 1184 1168 0.00      
13 A2 952 939 0.00      
14 A2 584 576 0.00      
15 A2 120 118 0.00      
16 B1 2983 2942 42.60      
17 B1 1105 1090 1.57      
18 B1 919 906 3.70      
19 B1 782 771 0.63      
20 B1 587 579 46.83      
21 B1 413 407 9.42      
22 B2 3170 3126 9.98      
23 B2 2944 2903 35.78      
24 B2 1441 1421 0.00      
25 B2 1408 1389 2.66      
26 B2 1286 1269 4.73      
27 B2 1257 1240 3.56      
28 B2 1065 1050 1.06      
29 B2 905 893 14.55      
30 B2 703 694 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 21985.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 21684.5 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 PBEPBE/6-31G**
ABC
0.25874 0.25346 0.13442

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

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 0.505
C3 0.000 -1.153 0.505
C4 0.000 0.775 -0.963
C5 0.000 -0.775 -0.963
H6 0.000 0.000 2.368
H7 0.000 2.222 0.722
H8 0.000 -2.222 0.722
H9 0.881 1.194 -1.488
H10 -0.881 1.194 -1.488
H11 0.881 -1.194 -1.488
H12 -0.881 -1.194 -1.488

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38471.38472.36612.36611.09532.28942.28943.13413.13413.13413.1341
C21.38472.30591.51642.42372.19031.09083.38202.17992.17993.20303.2030
C31.38472.30592.42371.51642.19033.38201.09083.20303.20302.17992.1799
C42.36611.51642.42371.55043.41992.22083.43831.10751.10752.22022.2202
C52.36612.42371.51641.55043.41993.43832.22082.22022.22021.10751.1075
H61.09532.19032.19033.41993.41992.76542.76544.13164.13164.13164.1316
H72.28941.09083.38202.22083.43832.76544.44422.59152.59154.16294.1629
H82.28943.38201.09083.43832.22082.76544.44424.16294.16292.59152.5915
H93.13412.17993.20301.10752.22024.13162.59154.16291.76102.38822.9673
H103.13412.17993.20301.10752.22024.13162.59154.16291.76102.96732.3882
H113.13413.20302.17992.22021.10754.13164.16292.59152.38822.96731.7610
H123.13413.20302.17992.22021.10754.13164.16292.59152.96732.38821.7610

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 109.207 C1 C2 H7 134.940
C1 C3 C5 109.207 C1 C3 H8 134.940
C2 C1 C3 112.737 C2 C1 H6 123.632
C2 C4 C5 104.425 C2 C4 H9 111.408
C2 C4 H10 111.408 C3 C1 H6 123.632
C3 C5 C4 104.425 C3 C5 H11 111.408
C3 C5 H12 111.408 C4 C2 H7 115.853
C4 C5 H11 112.224 C4 C5 H12 112.224
C5 C3 H8 115.853 C5 C4 H9 112.224
C5 C4 H10 112.224 H9 C4 H10 105.318
H11 C5 H12 105.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.052      
2 C -0.110      
3 C -0.110      
4 C -0.260      
5 C -0.260      
6 H 0.090      
7 H 0.100      
8 H 0.100      
9 H 0.125      
10 H 0.125      
11 H 0.125      
12 H 0.125      


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 -0.425 0.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.132 0.000 0.000
y 0.000 -28.569 0.000
z 0.000 0.000 -29.609
Traceless
 xyz
x -3.042 0.000 0.000
y 0.000 2.301 0.000
z 0.000 0.000 0.742
Polar
3z2-r21.484
x2-y2-3.562
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.645 0.000 0.000
y 0.000 9.331 0.000
z 0.000 0.000 8.228


<r2> (average value of r2) Å2
<r2> 100.064
(<r2>)1/2 10.003