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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-193.504689
Energy at 298.15K-193.511846
HF Energy-193.504689
Nuclear repulsion energy161.274051
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 BLYP/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 3172 3155 7.82      
2 A1 3113 3095 12.66      
3 A1 2957 2941 28.96      
4 A1 1506 1498 5.08      
5 A1 1439 1431 0.24      
6 A1 1230 1223 0.79      
7 A1 1087 1081 3.26      
8 A1 988 983 0.03      
9 A1 864 859 3.59      
10 A1 800 795 0.07      
11 A2 2959 2943 0.00      
12 A2 1228 1221 0.00      
13 A2 976 971 0.00      
14 A2 586 582 0.00      
15 A2 134 134 0.00      
16 B1 2981 2965 44.51      
17 B1 1154 1148 1.03      
18 B1 933 928 5.35      
19 B1 792 788 0.32      
20 B1 583 580 61.41      
21 B1 419 417 11.69      
22 B2 3161 3143 10.09      
23 B2 2944 2928 31.46      
24 B2 1487 1479 0.86      
25 B2 1400 1392 5.93      
26 B2 1312 1305 0.79      
27 B2 1254 1247 10.32      
28 B2 1090 1084 0.76      
29 B2 870 865 11.25      
30 B2 721 717 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 22070.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 21948.8 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 BLYP/3-21G
ABC
0.25437 0.24813 0.13188

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.280
C2 0.000 1.162 0.517
C3 0.000 -1.162 0.517
C4 0.000 0.788 -0.979
C5 0.000 -0.788 -0.979
H6 0.000 0.000 2.372
H7 0.000 2.227 0.734
H8 0.000 -2.227 0.734
H9 0.890 1.197 -1.493
H10 -0.890 1.197 -1.493
H11 0.890 -1.197 -1.493
H12 -0.890 -1.197 -1.493

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.38991.38992.39262.39261.09172.29302.29303.14853.14853.14853.1485
C21.38992.32321.54162.45772.18861.08743.39572.19822.19823.22393.2239
C31.38992.32322.45771.54162.18863.39571.08743.22393.22392.19822.1982
C42.39261.54162.45771.57703.44222.23703.46821.10601.10602.23572.2357
C52.39262.45771.54161.57703.44223.46822.23702.23572.23571.10601.1060
H61.09172.18862.18863.44223.44222.76442.76444.14234.14234.14234.1423
H72.29301.08743.39572.23703.46822.76444.45422.61002.61004.18044.1804
H82.29303.39571.08743.46822.23702.76444.45424.18044.18042.61002.6100
H93.14852.19823.22391.10602.23574.14232.61004.18041.78032.39392.9833
H103.14852.19823.22391.10602.23574.14232.61004.18041.78032.98332.3939
H113.14853.22392.19822.23571.10604.14234.18042.61002.39392.98331.7803
H123.14853.22392.19822.23571.10604.14234.18042.61002.98332.39391.7803

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 109.298 C1 C2 H7 135.171
C1 C3 C5 109.298 C1 C3 H8 135.171
C2 C1 C3 113.391 C2 C1 H6 123.304
C2 C4 C5 104.006 C2 C4 H9 111.182
C2 C4 H10 111.182 C3 C1 H6 123.304
C3 C5 C4 104.006 C3 C5 H11 111.182
C3 C5 H12 111.182 C4 C2 H7 115.530
C4 C5 H11 111.675 C4 C5 H12 111.675
C5 C3 H8 115.530 C5 C4 H9 111.675
C5 C4 H10 111.675 H9 C4 H10 107.195
H11 C5 H12 107.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.166      
2 C -0.146      
3 C -0.146      
4 C -0.382      
5 C -0.382      
6 H 0.156      
7 H 0.161      
8 H 0.161      
9 H 0.186      
10 H 0.186      
11 H 0.186      
12 H 0.186      


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 -0.371 0.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.879 0.000 0.000
y 0.000 -28.671 0.000
z 0.000 0.000 -29.795
Traceless
 xyz
x -3.646 0.000 0.000
y 0.000 2.666 0.000
z 0.000 0.000 0.980
Polar
3z2-r21.960
x2-y2-4.208
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.080 0.000 0.000
y 0.000 8.811 0.000
z 0.000 0.000 7.660


<r2> (average value of r2) Å2
<r2> 101.643
(<r2>)1/2 10.082