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

using model chemistry: B3LYP/6-31G

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/6-31G
 hartrees
Energy at 0K-194.635265
Energy at 298.15K-194.642603
HF Energy-194.635265
Nuclear repulsion energy162.563731
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/6-31G
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 3259 3135 10.73      
2 A1 3203 3081 14.22      
3 A1 3025 2910 40.72      
4 A1 1538 1479 4.69      
5 A1 1502 1445 0.74      
6 A1 1293 1243 0.62      
7 A1 1127 1084 2.97      
8 A1 1047 1007 0.06      
9 A1 915 881 3.81      
10 A1 827 796 0.16      
11 A2 3029 2914 0.00      
12 A2 1249 1201 0.00      
13 A2 1026 987 0.00      
14 A2 634 610 0.00      
15 A2 139 134 0.00      
16 B1 3052 2936 60.65      
17 B1 1165 1121 1.80      
18 B1 980 943 4.19      
19 B1 835 803 0.74      
20 B1 619 596 63.14      
21 B1 440 423 8.44      
22 B2 3247 3124 15.09      
23 B2 3010 2896 42.01      
24 B2 1519 1461 0.99      
25 B2 1450 1395 4.53      
26 B2 1354 1302 0.36      
27 B2 1323 1273 8.26      
28 B2 1118 1075 0.80      
29 B2 923 888 12.79      
30 B2 743 714 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 22794.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 21928.3 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/6-31G
ABC
0.25884 0.25224 0.13407

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.274
C2 0.000 1.153 0.509
C3 0.000 -1.153 0.509
C4 0.000 0.778 -0.968
C5 0.000 -0.778 -0.968
H6 0.000 0.000 2.360
H7 0.000 2.213 0.726
H8 0.000 -2.213 0.726
H9 0.878 1.191 -1.487
H10 -0.878 1.191 -1.487
H11 0.878 -1.191 -1.487
H12 -0.878 -1.191 -1.487

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38341.38342.37342.37341.08602.28022.28023.13253.13253.13253.1325
C21.38342.30561.52422.43142.18041.08243.37312.18142.18143.20133.2013
C31.38342.30562.43141.52422.18043.37311.08243.20133.20132.18142.1814
C42.37341.52422.43141.55653.41802.22013.43791.10021.10022.21742.2174
C52.37342.43141.52421.55653.41803.43792.22012.21742.21741.10021.1002
H61.08602.18042.18043.41803.41802.75132.75134.12184.12184.12184.1218
H72.28021.08243.37312.22013.43792.75134.42662.59122.59124.15394.1539
H82.28023.37311.08243.43792.22012.75134.42664.15394.15392.59122.5912
H93.13252.18143.20131.10022.21744.12182.59124.15391.75632.38122.9588
H103.13252.18143.20131.10022.21744.12182.59124.15391.75632.95882.3812
H113.13253.20132.18142.21741.10024.12184.15392.59122.38122.95881.7563
H123.13253.20132.18142.21741.10024.12184.15392.59122.95882.38121.7563

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 109.333 C1 C2 H7 134.905
C1 C3 C5 109.333 C1 C3 H8 134.905
C2 C1 C3 112.883 C2 C1 H6 123.558
C2 C4 C5 104.225 C2 C4 H9 111.416
C2 C4 H10 111.416 C3 C1 H6 123.558
C3 C5 C4 104.225 C3 C5 H11 111.416
C3 C5 H12 111.416 C4 C2 H7 115.761
C4 C5 H11 112.012 C4 C5 H12 112.012
C5 C3 H8 115.761 C5 C4 H9 112.012
C5 C4 H10 112.012 H9 C4 H10 105.905
H11 C5 H12 105.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.075      
2 C -0.131      
3 C -0.131      
4 C -0.304      
5 C -0.304      
6 H 0.126      
7 H 0.130      
8 H 0.130      
9 H 0.140      
10 H 0.140      
11 H 0.140      
12 H 0.140      


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 -0.358 0.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.414 0.000 0.000
y 0.000 -28.813 0.000
z 0.000 0.000 -29.840
Traceless
 xyz
x -3.087 0.000 0.000
y 0.000 2.314 0.000
z 0.000 0.000 0.774
Polar
3z2-r21.547
x2-y2-3.601
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.363 0.000 0.000
y 0.000 8.943 0.000
z 0.000 0.000 7.733


<r2> (average value of r2) Å2
<r2> 100.296
(<r2>)1/2 10.015