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

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-194.699536
Energy at 298.15K-194.706729
HF Energy-194.699536
Nuclear repulsion energy162.988095
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 B3LYP/6-31+G**
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 3237 3121 8.42      
2 A1 3182 3068 12.84      
3 A1 3018 2910 42.79      
4 A1 1496 1443 2.10      
5 A1 1486 1433 4.04      
6 A1 1284 1238 0.52      
7 A1 1105 1065 4.28      
8 A1 1034 997 0.00      
9 A1 909 876 3.83      
10 A1 808 779 0.19      
11 A2 3021 2913 0.00      
12 A2 1224 1180 0.00      
13 A2 992 957 0.00      
14 A2 612 590 0.00      
15 A2 107 103 0.00      
16 B1 3041 2933 45.38      
17 B1 1138 1098 3.41      
18 B1 953 919 5.16      
19 B1 809 780 2.86      
20 B1 599 578 74.13      
21 B1 426 411 9.03      
22 B2 3228 3113 10.53      
23 B2 3005 2898 39.50      
24 B2 1472 1419 1.29      
25 B2 1433 1382 2.05      
26 B2 1316 1269 3.50      
27 B2 1306 1259 6.22      
28 B2 1086 1047 1.70      
29 B2 912 879 17.56      
30 B2 722 696 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 22481.0 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 21676.2 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 B3LYP/6-31+G**
ABC
0.26018 0.25386 0.13486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

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 0.506
C3 0.000 -1.150 0.506
C4 0.000 0.775 -0.965
C5 0.000 -0.775 -0.965
H6 0.000 0.000 2.358
H7 0.000 2.211 0.724
H8 0.000 -2.211 0.724
H9 0.877 1.190 -1.483
H10 -0.877 1.190 -1.483
H11 0.877 -1.190 -1.483
H12 -0.877 -1.190 -1.483

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38041.38042.36562.36561.08752.27742.27743.12453.12453.12453.1245
C21.38042.29931.51792.42252.17941.08343.36762.17392.17393.19313.1931
C31.38042.29932.42251.51792.17943.36761.08343.19313.19312.17392.1739
C42.36561.51792.42251.55013.41172.21673.43051.09941.09942.21282.2128
C52.36562.42251.51791.55013.41173.43052.21672.21282.21281.09941.0994
H61.08752.17942.17943.41173.41172.74902.74904.11494.11494.11494.1149
H72.27741.08343.36762.21673.43052.74904.42192.58492.58494.14754.1475
H82.27743.36761.08343.43052.21672.74904.42194.14754.14752.58492.5849
H93.12452.17393.19311.09942.21284.11492.58494.14751.75342.37902.9553
H103.12452.17393.19311.09942.21284.11492.58494.14751.75342.95532.3790
H113.12453.19312.17392.21281.09944.11494.14752.58492.37902.95531.7534
H123.12453.19312.17392.21281.09944.11494.14752.58492.95532.37901.7534

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 109.319 C1 C2 H7 134.794
C1 C3 C5 109.319 C1 C3 H8 134.794
C2 C1 C3 112.786 C2 C1 H6 123.607
C2 C4 C5 104.288 C2 C4 H9 111.317
C2 C4 H10 111.317 C3 C1 H6 123.607
C3 C5 C4 104.288 C3 C5 H11 111.317
C3 C5 H12 111.317 C4 C2 H7 115.887
C4 C5 H11 112.148 C4 C5 H12 112.148
C5 C3 H8 115.887 C5 C4 H9 112.148
C5 C4 H10 112.148 H9 C4 H10 105.771
H11 C5 H12 105.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 C -0.065      
3 C -0.065      
4 C -0.380      
5 C -0.380      
6 H 0.123      
7 H 0.132      
8 H 0.132      
9 H 0.150      
10 H 0.150      
11 H 0.150      
12 H 0.150      


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 -33.325 0.000 0.000
y 0.000 -29.601 0.000
z 0.000 0.000 -30.640
Traceless
 xyz
x -3.204 0.000 0.000
y 0.000 2.381 0.000
z 0.000 0.000 0.823
Polar
3z2-r21.646
x2-y2-3.723
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.254 0.000 0.000
y 0.000 10.231 0.000
z 0.000 0.000 8.830


<r2> (average value of r2) Å2
<r2> 100.386
(<r2>)1/2 10.019