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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-193.392684
Energy at 298.15K-193.400064
HF Energy-193.392684
Nuclear repulsion energy163.632296
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 HF/6-31G(2df,p)
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 3370 3052 12.84      
2 A1 3322 3008 14.44      
3 A1 3167 2868 61.34      
4 A1 1624 1470 0.76      
5 A1 1569 1420 0.00      
6 A1 1406 1273 0.00      
7 A1 1159 1049 1.51      
8 A1 1088 985 0.30      
9 A1 962 871 0.67      
10 A1 856 775 0.13      
11 A2 3169 2870 0.00      
12 A2 1345 1218 0.00      
13 A2 1080 978 0.00      
14 A2 608 550 0.00      
15 A2 116 105 0.00      
16 B1 3194 2892 77.67      
17 B1 1232 1115 2.74      
18 B1 987 893 5.90      
19 B1 870 788 1.53      
20 B1 617 559 45.05      
21 B1 419 380 7.13      
22 B2 3359 3042 19.07      
23 B2 3150 2852 48.08      
24 B2 1597 1446 0.02      
25 B2 1511 1369 3.24      
26 B2 1423 1288 0.64      
27 B2 1416 1282 1.46      
28 B2 1143 1035 0.66      
29 B2 958 867 6.25      
30 B2 766 694 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 23742.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 21498.7 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 HF/6-31G(2df,p)
ABC
0.26283 0.25470 0.13571

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.270
C2 0.000 1.145 0.506
C3 0.000 -1.145 0.506
C4 0.000 0.772 -0.965
C5 0.000 -0.772 -0.965
H6 0.000 0.000 2.346
H7 0.000 2.196 0.722
H8 0.000 -2.196 0.722
H9 0.870 1.180 -1.474
H10 -0.870 1.180 -1.474
H11 0.870 -1.180 -1.474
H12 -0.870 -1.180 -1.474

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37661.37662.36442.36441.07632.26302.26303.11123.11123.11123.1112
C21.37662.29001.51722.41592.16771.07273.34762.16312.16313.17513.1751
C31.37662.29002.41591.51722.16773.34761.07273.17513.17512.16312.1631
C42.36441.51722.41591.54353.39992.20753.41331.08781.08782.19662.1966
C52.36442.41591.51721.54353.39993.41332.20752.19662.19661.08781.0878
H61.07632.16772.16773.39993.39992.73112.73114.09214.09214.09214.0921
H72.26301.07273.34762.20753.41332.73114.39122.57162.57164.11984.1198
H82.26303.34761.07273.41332.20752.73114.39124.11984.11982.57162.5716
H93.11122.16313.17511.08782.19664.09212.57164.11981.74092.35922.9320
H103.11122.16313.17511.08782.19664.09212.57164.11981.74092.93202.3592
H113.11123.17512.16312.19661.08784.09214.11982.57162.35922.93201.7409
H123.11123.17512.16312.19661.08784.09214.11982.57162.93202.35921.7409

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 109.483 C1 C2 H7 134.644
C1 C3 C5 109.483 C1 C3 H8 134.644
C2 C1 C3 112.553 C2 C1 H6 123.723
C2 C4 C5 104.240 C2 C4 H9 111.196
C2 C4 H10 111.196 C3 C1 H6 123.723
C3 C5 C4 104.240 C3 C5 H11 111.196
C3 C5 H12 111.196 C4 C2 H7 115.873
C4 C5 H11 112.018 C4 C5 H12 112.018
C5 C3 H8 115.873 C5 C4 H9 112.018
C5 C4 H10 112.018 H9 C4 H10 106.293
H11 C5 H12 106.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.150      
3 C -0.150      
4 C -0.260      
5 C -0.260      
6 H 0.137      
7 H 0.145      
8 H 0.145      
9 H 0.127      
10 H 0.127      
11 H 0.127      
12 H 0.127      


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 -0.149 0.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.314 0.000 0.000
y 0.000 -28.894 0.000
z 0.000 0.000 -30.152
Traceless
 xyz
x -2.791 0.000 0.000
y 0.000 2.339 0.000
z 0.000 0.000 0.453
Polar
3z2-r20.906
x2-y2-3.420
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.783 0.000 0.000
y 0.000 8.231 0.000
z 0.000 0.000 7.461


<r2> (average value of r2) Å2
<r2> 99.297
(<r2>)1/2 9.965