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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-194.589559
Energy at 298.15K-194.596750
HF Energy-194.589559
Nuclear repulsion energy163.925867
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 B1B95/6-31+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 3268 3126 8.48      
2 A1 3216 3076 10.64      
3 A1 3051 2918 36.24      
4 A1 1513 1447 0.02      
5 A1 1489 1424 7.70      
6 A1 1299 1243 0.95      
7 A1 1114 1065 4.16      
8 A1 1056 1010 0.00      
9 A1 933 893 4.59      
10 A1 808 773 0.27      
11 A2 3061 2928 0.00      
12 A2 1225 1172 0.00      
13 A2 986 943 0.00      
14 A2 622 595 0.00      
15 A2 93 89 0.00      
16 B1 3081 2947 36.26      
17 B1 1142 1093 3.44      
18 B1 959 917 4.94      
19 B1 808 773 3.58      
20 B1 605 579 76.47      
21 B1 424 406 9.13      
22 B2 3258 3117 8.81      
23 B2 3037 2905 35.59      
24 B2 1474 1410 1.09      
25 B2 1443 1381 2.71      
26 B2 1332 1274 7.14      
27 B2 1303 1246 3.90      
28 B2 1089 1042 1.78      
29 B2 930 889 21.04      
30 B2 720 688 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 22668.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 21684.4 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 B1B95/6-31+G**
ABC
0.26338 0.25697 0.13655

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.264
C2 0.000 1.143 0.501
C3 0.000 -1.143 0.501
C4 0.000 0.768 -0.958
C5 0.000 -0.768 -0.958
H6 0.000 0.000 2.349
H7 0.000 2.202 0.721
H8 0.000 -2.202 0.721
H9 0.874 1.183 -1.474
H10 -0.874 1.183 -1.474
H11 0.874 -1.183 -1.474
H12 -0.874 -1.183 -1.474

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37421.37422.35092.35091.08502.26782.26783.10833.10833.10833.1083
C21.37422.28601.50622.40442.17281.08133.35202.16062.16063.17403.1740
C31.37422.28602.40441.50622.17283.35201.08133.17403.17402.16062.1606
C42.35091.50622.40441.53653.39492.20733.41151.09651.09652.19912.1991
C52.35092.40441.50621.53653.39493.41152.20732.19912.19911.09651.0965
H61.08502.17282.17283.39493.39492.73852.73854.09654.09654.09654.0965
H72.26781.08133.35202.20733.41152.73854.40352.57322.57324.12744.1274
H82.26783.35201.08133.41152.20732.73854.40354.12744.12742.57322.5732
H93.10832.16063.17401.09652.19914.09652.57324.12741.74772.36502.9407
H103.10832.16063.17401.09652.19914.09652.57324.12741.74772.94072.3650
H113.10833.17402.16062.19911.09654.09654.12742.57322.36502.94071.7477
H123.10833.17402.16062.19911.09654.09654.12742.57322.94072.36501.7477

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 109.318 C1 C2 H7 134.559
C1 C3 C5 109.318 C1 C3 H8 134.559
C2 C1 C3 112.554 C2 C1 H6 123.723
C2 C4 C5 104.405 C2 C4 H9 111.251
C2 C4 H10 111.251 C3 C1 H6 123.723
C3 C5 C4 104.405 C3 C5 H11 111.251
C3 C5 H12 111.251 C4 C2 H7 116.122
C4 C5 H11 112.197 C4 C5 H12 112.197
C5 C3 H8 116.122 C5 C4 H9 112.197
C5 C4 H10 112.197 H9 C4 H10 105.687
H11 C5 H12 105.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.084      
3 C -0.084      
4 C -0.415      
5 C -0.415      
6 H 0.145      
7 H 0.152      
8 H 0.152      
9 H 0.166      
10 H 0.166      
11 H 0.166      
12 H 0.166      


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 -0.497 0.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.985 0.000 0.000
y 0.000 -29.135 0.000
z 0.000 0.000 -30.124
Traceless
 xyz
x -3.355 0.000 0.000
y 0.000 2.419 0.000
z 0.000 0.000 0.936
Polar
3z2-r21.872
x2-y2-3.849
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.088 0.000 0.000
y 0.000 10.049 0.000
z 0.000 0.000 8.669


<r2> (average value of r2) Å2
<r2> 99.169
(<r2>)1/2 9.958