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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-193.395590
Energy at 298.15K-193.402905
HF Energy-193.395590
Nuclear repulsion energy162.851958
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 HSEh1PBE/3-21G
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 3279 3159 6.44      
2 A1 3225 3107 6.82      
3 A1 3067 2954 21.32      
4 A1 1539 1483 9.13      
5 A1 1494 1439 0.06      
6 A1 1284 1237 2.39      
7 A1 1125 1084 3.86      
8 A1 1045 1006 0.18      
9 A1 914 880 4.10      
10 A1 836 806 0.07      
11 A2 3083 2970 0.00      
12 A2 1272 1225 0.00      
13 A2 1007 970 0.00      
14 A2 631 608 0.00      
15 A2 127 122 0.00      
16 B1 3104 2990 29.29      
17 B1 1199 1155 1.15      
18 B1 977 941 6.93      
19 B1 818 788 0.93      
20 B1 613 591 81.01      
21 B1 434 418 10.49      
22 B2 3266 3146 5.06      
23 B2 3054 2942 25.13      
24 B2 1516 1460 2.29      
25 B2 1438 1385 10.37      
26 B2 1352 1302 1.41      
27 B2 1309 1261 10.99      
28 B2 1115 1074 0.48      
29 B2 915 881 13.79      
30 B2 750 723 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 22893.1 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 22052.9 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 HSEh1PBE/3-21G
ABC
0.25976 0.25298 0.13463

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.270
C2 0.000 1.150 0.509
C3 0.000 -1.150 0.509
C4 0.000 0.778 -0.969
C5 0.000 -0.778 -0.969
H6 0.000 0.000 2.354
H7 0.000 2.208 0.729
H8 0.000 -2.208 0.729
H9 0.885 1.184 -1.478
H10 -0.885 1.184 -1.478
H11 0.885 -1.184 -1.478
H12 -0.885 -1.184 -1.478

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37871.37872.36982.36981.08432.27312.27313.11943.11943.11943.1194
C21.37872.29991.52392.42922.17391.08073.36502.17502.17503.18983.1898
C31.37872.29992.42921.52392.17393.36501.08073.18983.18982.17502.1750
C42.36981.52392.42921.55623.41262.21983.43511.09841.09842.21142.2114
C52.36982.42921.52391.55623.41263.43512.21982.21142.21141.09841.0984
H61.08432.17392.17393.41263.41262.74122.74124.10654.10654.10654.1065
H72.27311.08073.36502.21983.43512.74124.41582.58882.58884.14194.1419
H82.27313.36501.08073.43512.21982.74124.41584.14194.14192.58882.5888
H93.11942.17503.18981.09842.21144.10652.58884.14191.77002.36722.9557
H103.11942.17503.18981.09842.21144.10652.58884.14191.77002.95572.3672
H113.11943.18982.17502.21141.09844.10654.14192.58882.36722.95571.7700
H123.11943.18982.17502.21141.09844.10654.14192.58882.95572.36721.7700

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 109.360 C1 C2 H7 134.758
C1 C3 C5 109.360 C1 C3 H8 134.758
C2 C1 C3 113.034 C2 C1 H6 123.483
C2 C4 C5 104.123 C2 C4 H9 111.042
C2 C4 H10 111.042 C3 C1 H6 123.483
C3 C5 C4 104.123 C3 C5 H11 111.042
C3 C5 H12 111.042 C4 C2 H7 115.882
C4 C5 H11 111.664 C4 C5 H12 111.664
C5 C3 H8 115.882 C5 C4 H9 111.664
C5 C4 H10 111.664 H9 C4 H10 107.365
H11 C5 H12 107.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 C -0.197      
3 C -0.197      
4 C -0.471      
5 C -0.471      
6 H 0.212      
7 H 0.214      
8 H 0.214      
9 H 0.229      
10 H 0.229      
11 H 0.229      
12 H 0.229      


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 -0.384 0.384
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.952 0.000 0.000
y 0.000 -28.268 0.000
z 0.000 0.000 -29.493
Traceless
 xyz
x -4.072 0.000 0.000
y 0.000 2.954 0.000
z 0.000 0.000 1.117
Polar
3z2-r22.234
x2-y2-4.684
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.996 0.000 0.000
y 0.000 8.453 0.000
z 0.000 0.000 7.334


<r2> (average value of r2) Å2
<r2> 99.885
(<r2>)1/2 9.994