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

using model chemistry: PBEPBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-194.433733
Energy at 298.15K-194.440793
HF Energy-194.433733
Nuclear repulsion energy162.388541
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/aug-cc-pVDZ
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 3168 3148 7.47      
2 A1 3109 3090 11.19      
3 A1 2949 2931 38.40      
4 A1 1445 1437 0.02      
5 A1 1413 1404 9.53      
6 A1 1227 1219 1.24      
7 A1 1066 1060 3.93      
8 A1 1018 1011 0.00      
9 A1 902 896 4.80      
10 A1 784 780 0.23      
11 A2 2953 2935 0.00      
12 A2 1167 1160 0.00      
13 A2 942 936 0.00      
14 A2 574 571 0.00      
15 A2 108 108 0.00      
16 B1 2975 2957 35.14      
17 B1 1083 1077 3.08      
18 B1 892 887 6.95      
19 B1 772 767 1.85      
20 B1 568 564 62.72      
21 B1 410 407 9.65      
22 B2 3159 3139 8.35      
23 B2 2935 2917 32.55      
24 B2 1421 1412 0.68      
25 B2 1381 1372 3.46      
26 B2 1268 1260 4.24      
27 B2 1233 1225 4.11      
28 B2 1047 1040 1.72      
29 B2 897 891 20.26      
30 B2 701 697 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21781.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 21649.0 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/aug-cc-pVDZ
ABC
0.25802 0.25294 0.13412

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

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 0.505
C3 0.000 -1.155 0.505
C4 0.000 0.775 -0.964
C5 0.000 -0.775 -0.964
H6 0.000 0.000 2.374
H7 0.000 2.229 0.720
H8 0.000 -2.229 0.720
H9 0.883 1.196 -1.489
H10 -0.883 1.196 -1.489
H11 0.883 -1.196 -1.489
H12 -0.883 -1.196 -1.489

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38741.38742.36862.36861.09972.29692.29693.13783.13783.13783.1378
C21.38742.30921.51732.42502.19681.09563.39042.18112.18113.20663.2066
C31.38742.30922.42501.51732.19683.39041.09563.20663.20662.18112.1811
C42.36861.51732.42501.54963.42672.22483.44351.11061.11062.22282.2228
C52.36862.42501.51731.54963.42673.44352.22482.22282.22281.11061.1106
H61.09972.19682.19683.42673.42672.77572.77574.13914.13914.13914.1391
H72.29691.09563.39042.22483.44352.77574.45792.59322.59324.17014.1701
H82.29693.39041.09563.44352.22482.77574.45794.17014.17012.59322.5932
H93.13782.18113.20661.11062.22284.13912.59324.17011.76692.39242.9742
H103.13782.18113.20661.11062.22284.13912.59324.17011.76692.97422.3924
H113.13783.20662.18112.22281.11064.13914.17012.59322.39242.97421.7669
H123.13783.20662.18112.22281.11064.13914.17012.59322.97422.39241.7669

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 109.176 C1 C2 H7 135.025
C1 C3 C5 109.176 C1 C3 H8 135.025
C2 C1 C3 112.657 C2 C1 H6 123.672
C2 C4 C5 104.496 C2 C4 H9 111.252
C2 C4 H10 111.252 C3 C1 H6 123.672
C3 C5 C4 104.496 C3 C5 H11 111.252
C3 C5 H12 111.252 C4 C2 H7 115.799
C4 C5 H11 112.299 C4 C5 H12 112.299
C5 C3 H8 115.799 C5 C4 H9 112.299
C5 C4 H10 112.299 H9 C4 H10 105.401
H11 C5 H12 105.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.867      
2 C 0.282      
3 C 0.282      
4 C 0.645      
5 C 0.645      
6 H -0.440      
7 H -0.549      
8 H -0.549      
9 H -0.296      
10 H -0.296      
11 H -0.296      
12 H -0.296      


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 -0.519 0.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.159 0.000 0.000
y 0.000 -29.676 0.000
z 0.000 0.000 -30.760
Traceless
 xyz
x -2.940 0.000 0.000
y 0.000 2.284 0.000
z 0.000 0.000 0.657
Polar
3z2-r21.314
x2-y2-3.483
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.926 0.000 0.000
y 0.000 11.093 0.000
z 0.000 0.000 9.893


<r2> (average value of r2) Å2
<r2> 100.962
(<r2>)1/2 10.048