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

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-193.404134
Energy at 298.15K-193.411491
HF Energy-193.404134
Nuclear repulsion energy163.591609
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 HF/6-311G*
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 3375 3052 17.31      
2 A1 3331 3012 17.25      
3 A1 3180 2876 72.95      
4 A1 1638 1481 1.66      
5 A1 1574 1424 0.03      
6 A1 1416 1280 0.01      
7 A1 1160 1049 1.79      
8 A1 1091 987 0.55      
9 A1 964 872 1.04      
10 A1 860 778 0.06      
11 A2 3175 2872 0.00      
12 A2 1357 1227 0.00      
13 A2 1087 983 0.00      
14 A2 603 546 0.00      
15 A2 106 96 0.00      
16 B1 3202 2896 100.20      
17 B1 1247 1128 2.95      
18 B1 981 887 9.09      
19 B1 873 789 1.91      
20 B1 608 550 62.98      
21 B1 418 378 9.61      
22 B2 3364 3043 30.06      
23 B2 3161 2859 56.86      
24 B2 1610 1456 0.19      
25 B2 1520 1375 4.62      
26 B2 1433 1296 1.45      
27 B2 1422 1286 1.05      
28 B2 1142 1032 0.67      
29 B2 960 868 7.41      
30 B2 771 697 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 23813.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 21537.1 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 HF/6-311G*
ABC
0.26265 0.25461 0.13563

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.271
C2 0.000 1.146 0.505
C3 0.000 -1.146 0.505
C4 0.000 0.771 -0.965
C5 0.000 -0.771 -0.965
H6 0.000 0.000 2.347
H7 0.000 2.197 0.720
H8 0.000 -2.197 0.720
H9 0.870 1.180 -1.474
H10 -0.870 1.180 -1.474
H11 0.870 -1.180 -1.474
H12 -0.870 -1.180 -1.474

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37811.37812.36542.36541.07642.26522.26523.11163.11163.11163.1116
C21.37812.29181.51742.41622.16931.07313.35012.16222.16223.17523.1752
C31.37812.29182.41621.51742.16933.35011.07313.17523.17522.16222.1622
C42.36541.51742.41621.54273.40112.20773.41371.08721.08722.19572.1957
C52.36542.41621.51741.54273.40113.41372.20772.19572.19571.08721.0872
H61.07642.16932.16933.40113.40112.73402.73404.09274.09274.09274.0927
H72.26521.07313.35012.20773.41372.73404.39452.57052.57054.12004.1200
H82.26523.35011.07313.41372.20772.73404.39454.12004.12002.57052.5705
H93.11162.16223.17521.08722.19574.09272.57054.12001.73952.35902.9310
H103.11162.16223.17521.08722.19574.09272.57054.12001.73952.93102.3590
H113.11163.17522.16222.19571.08724.09274.12002.57052.35902.93101.7395
H123.11163.17522.16222.19571.08724.09274.12002.57052.93102.35901.7395

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 109.456 C1 C2 H7 134.692
C1 C3 C5 109.456 C1 C3 H8 134.692
C2 C1 C3 112.504 C2 C1 H6 123.748
C2 C4 C5 104.292 C2 C4 H9 111.154
C2 C4 H10 111.154 C3 C1 H6 123.748
C3 C5 C4 104.292 C3 C5 H11 111.154
C3 C5 H12 111.154 C4 C2 H7 115.851
C4 C5 H11 112.052 C4 C5 H12 112.052
C5 C3 H8 115.851 C5 C4 H9 112.052
C5 C4 H10 112.052 H9 C4 H10 106.258
H11 C5 H12 106.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C -0.216      
3 C -0.216      
4 C -0.432      
5 C -0.432      
6 H 0.211      
7 H 0.218      
8 H 0.218      
9 H 0.213      
10 H 0.213      
11 H 0.213      
12 H 0.213      


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 -0.214 0.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.107 0.000 0.000
y 0.000 -29.217 0.000
z 0.000 0.000 -30.577
Traceless
 xyz
x -3.210 0.000 0.000
y 0.000 2.625 0.000
z 0.000 0.000 0.585
Polar
3z2-r21.170
x2-y2-3.890
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.912 0.000 0.000
y 0.000 8.376 0.000
z 0.000 0.000 7.627


<r2> (average value of r2) Å2
<r2> 99.656
(<r2>)1/2 9.983