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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-194.582064
Energy at 298.15K-194.589185
HF Energy-194.582064
Nuclear repulsion energy162.214437
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(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 3156 3139 8.07      
2 A1 3091 3074 17.66      
3 A1 2931 2914 40.84      
4 A1 1451 1443 0.59      
5 A1 1436 1428 2.76      
6 A1 1229 1222 0.02      
7 A1 1077 1071 2.86      
8 A1 1000 994 0.03      
9 A1 881 876 2.83      
10 A1 787 782 0.29      
11 A2 2926 2910 0.00      
12 A2 1188 1181 0.00      
13 A2 961 956 0.00      
14 A2 585 581 0.00      
15 A2 129 129 0.00      
16 B1 2947 2931 52.17      
17 B1 1102 1096 2.13      
18 B1 929 924 3.01      
19 B1 783 778 1.18      
20 B1 592 589 37.27      
21 B1 417 414 6.91      
22 B2 3147 3130 12.75      
23 B2 2917 2901 39.57      
24 B2 1432 1424 0.08      
25 B2 1395 1387 1.74      
26 B2 1273 1266 1.00      
27 B2 1258 1252 5.05      
28 B2 1069 1063 1.20      
29 B2 886 882 11.28      
30 B2 703 699 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 21837.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 21717.5 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 BLYP/6-31G(2df,p)
ABC
0.25754 0.25164 0.13356

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.274
C2 0.000 1.155 0.510
C3 0.000 -1.155 0.510
C4 0.000 0.780 -0.968
C5 0.000 -0.780 -0.968
H6 0.000 0.000 2.367
H7 0.000 2.220 0.728
H8 0.000 -2.220 0.728
H9 0.879 1.199 -1.493
H10 -0.879 1.199 -1.493
H11 0.879 -1.199 -1.493
H12 -0.879 -1.199 -1.493

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38441.38442.37442.37441.09292.28642.28643.14103.14103.14103.1410
C21.38442.30941.52552.43542.18641.08773.38202.18822.18823.21333.2133
C31.38442.30942.43541.52552.18643.38201.08773.21333.21332.18822.1882
C42.37441.52552.43541.56053.42562.22563.44721.10611.10612.22822.2282
C52.37442.43541.52551.56053.42563.44722.22562.22822.22821.10611.1061
H61.09292.18642.18643.42563.42562.75952.75954.13634.13634.13634.1363
H72.28641.08773.38202.22563.44722.75954.44062.59822.59824.17114.1711
H82.28643.38201.08773.44722.22562.75954.44064.17114.17112.59822.5982
H93.14102.18823.21331.10612.22824.13632.59824.17111.75882.39772.9735
H103.14102.18823.21331.10612.22824.13632.59824.17111.75882.97352.3977
H113.14103.21332.18822.22821.10614.13634.17112.59822.39772.97351.7588
H123.14103.21332.18822.22821.10614.13634.17112.59822.97352.39771.7588

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 109.273 C1 C2 H7 134.954
C1 C3 C5 109.273 C1 C3 H8 134.954
C2 C1 C3 113.039 C2 C1 H6 123.481
C2 C4 C5 104.208 C2 C4 H9 111.509
C2 C4 H10 111.509 C3 C1 H6 123.481
C3 C5 C4 104.208 C3 C5 H11 111.509
C3 C5 H12 111.509 C4 C2 H7 115.773
C4 C5 H11 112.236 C4 C5 H12 112.236
C5 C3 H8 115.773 C5 C4 H9 112.236
C5 C4 H10 112.236 H9 C4 H10 105.318
H11 C5 H12 105.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.046      
2 C -0.060      
3 C -0.060      
4 C -0.204      
5 C -0.204      
6 H 0.064      
7 H 0.077      
8 H 0.077      
9 H 0.089      
10 H 0.089      
11 H 0.089      
12 H 0.089      


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 -0.331 0.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.002 0.000 0.000
y 0.000 -29.056 0.000
z 0.000 0.000 -30.052
Traceless
 xyz
x -2.448 0.000 0.000
y 0.000 1.971 0.000
z 0.000 0.000 0.477
Polar
3z2-r20.954
x2-y2-2.946
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.975 0.000 0.000
y 0.000 9.472 0.000
z 0.000 0.000 8.401


<r2> (average value of r2) Å2
<r2> 100.674
(<r2>)1/2 10.034