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

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-194.478425
Energy at 298.15K-194.485551
HF Energy-194.478425
Nuclear repulsion energy163.129709
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/cc-pVTZ
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 3158 3136 7.21      
2 A1 3098 3077 12.48      
3 A1 2942 2922 35.50      
4 A1 1452 1442 0.26      
5 A1 1425 1416 8.34      
6 A1 1231 1222 1.04      
7 A1 1072 1065 4.08      
8 A1 1016 1009 0.01      
9 A1 899 892 4.70      
10 A1 792 787 0.26      
11 A2 2940 2920 0.00      
12 A2 1179 1171 0.00      
13 A2 951 944 0.00      
14 A2 594 590 0.00      
15 A2 117 116 0.00      
16 B1 2962 2941 36.50      
17 B1 1098 1090 2.74      
18 B1 921 914 5.02      
19 B1 777 772 2.22      
20 B1 583 579 56.00      
21 B1 419 417 7.92      
22 B2 3149 3127 9.01      
23 B2 2930 2909 32.70      
24 B2 1425 1415 0.39      
25 B2 1393 1384 4.45      
26 B2 1274 1265 2.87      
27 B2 1255 1246 5.73      
28 B2 1056 1048 1.57      
29 B2 898 892 18.07      
30 B2 707 702 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21854.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 21703.7 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 PBEPBE/cc-pVTZ
ABC
0.26045 0.25495 0.13526

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.268
C2 0.000 1.149 0.504
C3 0.000 -1.149 0.504
C4 0.000 0.773 -0.961
C5 0.000 -0.773 -0.961
H6 0.000 0.000 2.360
H7 0.000 2.214 0.723
H8 0.000 -2.214 0.723
H9 0.878 1.191 -1.483
H10 -0.878 1.191 -1.483
H11 0.878 -1.191 -1.483
H12 -0.878 -1.191 -1.483

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37951.37952.35882.35881.09192.28002.28003.12373.12373.12373.1237
C21.37952.29781.51252.41662.18241.08743.37002.17312.17313.19313.1931
C31.37952.29782.41661.51252.18243.37001.08743.19313.19312.17312.1731
C42.35881.51252.41661.54593.40932.21653.42901.10381.10382.21382.2138
C52.35882.41661.51251.54593.40933.42902.21652.21382.21381.10381.1038
H61.09192.18242.18243.40933.40932.75312.75314.11804.11804.11804.1180
H72.28001.08743.37002.21653.42902.75314.42802.58582.58584.15144.1514
H82.28003.37001.08743.42902.21652.75314.42804.15144.15142.58582.5858
H93.12372.17313.19311.10382.21384.11802.58584.15141.75572.38202.9591
H103.12372.17313.19311.10382.21384.11802.58584.15141.75572.95912.3820
H113.12373.19312.17312.21381.10384.11804.15142.58582.38202.95911.7557
H123.12373.19312.17312.21381.10384.11804.15142.58582.95912.38201.7557

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 109.218 C1 C2 H7 134.764
C1 C3 C5 109.218 C1 C3 H8 134.764
C2 C1 C3 112.780 C2 C1 H6 123.610
C2 C4 C5 104.392 C2 C4 H9 111.369
C2 C4 H10 111.369 C3 C1 H6 123.610
C3 C5 C4 104.392 C3 C5 H11 111.369
C3 C5 H12 111.369 C4 C2 H7 116.018
C4 C5 H11 112.254 C4 C5 H12 112.254
C5 C3 H8 116.018 C5 C4 H9 112.254
C5 C4 H10 112.254 H9 C4 H10 105.366
H11 C5 H12 105.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 C -0.132      
3 C -0.132      
4 C -0.130      
5 C -0.130      
6 H 0.093      
7 H 0.101      
8 H 0.101      
9 H 0.084      
10 H 0.084      
11 H 0.084      
12 H 0.084      


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 -0.475 0.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.779 0.000 0.000
y 0.000 -29.336 0.000
z 0.000 0.000 -30.379
Traceless
 xyz
x -2.921 0.000 0.000
y 0.000 2.243 0.000
z 0.000 0.000 0.679
Polar
3z2-r21.357
x2-y2-3.443
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.848 0.000 0.000
y 0.000 10.280 0.000
z 0.000 0.000 9.228


<r2> (average value of r2) Å2
<r2> 100.014
(<r2>)1/2 10.001