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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-194.578059
Energy at 298.15K-194.585159
HF Energy-194.578059
Nuclear repulsion energy162.035342
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/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 3159 3135 8.34      
2 A1 3097 3073 19.11      
3 A1 2937 2914 42.57      
4 A1 1464 1453 0.80      
5 A1 1451 1439 2.44      
6 A1 1241 1231 0.03      
7 A1 1079 1070 2.45      
8 A1 1002 994 0.02      
9 A1 881 874 2.89      
10 A1 787 781 0.28      
11 A2 2935 2912 0.00      
12 A2 1191 1181 0.00      
13 A2 963 956 0.00      
14 A2 581 576 0.00      
15 A2 125 124 0.00      
16 B1 2956 2933 58.99      
17 B1 1108 1100 1.62      
18 B1 926 919 2.89      
19 B1 786 780 0.59      
20 B1 587 583 38.97      
21 B1 413 410 8.44      
22 B2 3150 3126 15.03      
23 B2 2924 2901 41.61      
24 B2 1445 1434 0.04      
25 B2 1410 1399 1.32      
26 B2 1283 1273 1.56      
27 B2 1266 1257 5.48      
28 B2 1069 1060 1.20      
29 B2 888 881 11.43      
30 B2 704 698 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 21903.2 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 21734.6 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/6-31G**
ABC
0.25685 0.25124 0.13329

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.276
C2 0.000 1.157 0.510
C3 0.000 -1.157 0.510
C4 0.000 0.781 -0.969
C5 0.000 -0.781 -0.969
H6 0.000 0.000 2.371
H7 0.000 2.225 0.726
H8 0.000 -2.225 0.726
H9 0.881 1.199 -1.493
H10 -0.881 1.199 -1.493
H11 0.881 -1.199 -1.493
H12 -0.881 -1.199 -1.493

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38731.38732.37692.37691.09462.29182.29183.14373.14373.14373.1437
C21.38732.31351.52622.43742.19081.08983.38852.18902.18903.21533.2153
C31.38732.31352.43741.52622.19083.38851.08983.21533.21532.18902.1890
C42.37691.52622.43741.56113.42972.22713.45061.10701.10702.22892.2289
C52.37692.43741.52621.56113.42973.45062.22712.22892.22891.10701.1070
H61.09462.19082.19083.42973.42972.76662.76664.14054.14054.14054.1405
H72.29181.08983.38852.22713.45062.76664.44982.59922.59924.17424.1742
H82.29183.38851.08983.45062.22712.76664.44984.17424.17422.59922.5992
H93.14372.18903.21531.10702.22894.14052.59924.17421.76122.39742.9748
H103.14372.18903.21531.10702.22894.14052.59924.17421.76122.97482.3974
H113.14373.21532.18902.22891.10704.14054.17422.59922.39742.97481.7612
H123.14373.21532.18902.22891.10704.14054.17422.59922.97482.39741.7612

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 109.240 C1 C2 H7 135.051
C1 C3 C5 109.240 C1 C3 H8 135.051
C2 C1 C3 112.980 C2 C1 H6 123.510
C2 C4 C5 104.270 C2 C4 H9 111.473
C2 C4 H10 111.473 C3 C1 H6 123.510
C3 C5 C4 104.270 C3 C5 H11 111.473
C3 C5 H12 111.473 C4 C2 H7 115.709
C4 C5 H11 112.193 C4 C5 H12 112.193
C5 C3 H8 115.709 C5 C4 H9 112.193
C5 C4 H10 112.193 H9 C4 H10 105.408
H11 C5 H12 105.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.015      
2 C -0.074      
3 C -0.074      
4 C -0.190      
5 C -0.190      
6 H 0.052      
7 H 0.063      
8 H 0.063      
9 H 0.091      
10 H 0.091      
11 H 0.091      
12 H 0.091      


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 -0.359 0.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.155 0.000 0.000
y 0.000 -28.960 0.000
z 0.000 0.000 -29.948
Traceless
 xyz
x -2.701 0.000 0.000
y 0.000 2.091 0.000
z 0.000 0.000 0.610
Polar
3z2-r21.219
x2-y2-3.195
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.635 0.000 0.000
y 0.000 9.376 0.000
z 0.000 0.000 8.225


<r2> (average value of r2) Å2
<r2> 100.834
(<r2>)1/2 10.042