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

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-192.192736
Energy at 298.15K-192.199638
HF Energy-192.192736
Nuclear repulsion energy160.051960
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/STO-3G
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 3389 3135 0.20      
2 A1 3342 3092 0.28      
3 A1 3201 2961 1.64      
4 A1 1625 1503 1.95      
5 A1 1545 1430 1.20      
6 A1 1348 1248 0.03      
7 A1 1133 1048 0.14      
8 A1 1073 992 0.25      
9 A1 942 872 1.69      
10 A1 821 759 0.25      
11 A2 3284 3039 0.00      
12 A2 1291 1194 0.00      
13 A2 1042 964 0.00      
14 A2 588 544 0.00      
15 A2 168 155 0.00      
16 B1 3292 3046 6.21      
17 B1 1195 1105 0.09      
18 B1 957 885 2.38      
19 B1 833 771 0.71      
20 B1 592 547 24.37      
21 B1 407 377 5.39      
22 B2 3371 3119 9.45      
23 B2 3195 2956 5.37      
24 B2 1609 1489 0.08      
25 B2 1457 1348 13.25      
26 B2 1360 1258 1.05      
27 B2 1351 1250 1.68      
28 B2 1115 1032 0.25      
29 B2 949 878 4.03      
30 B2 732 677 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 23602.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 21837.3 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 BLYP/STO-3G
ABC
0.25128 0.24405 0.12996

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.293
C2 0.000 1.169 0.520
C3 0.000 -1.169 0.520
C4 0.000 0.791 -0.986
C5 0.000 -0.791 -0.986
H6 0.000 0.000 2.400
H7 0.000 2.252 0.731
H8 0.000 -2.252 0.731
H9 0.895 1.204 -1.507
H10 -0.895 1.204 -1.507
H11 0.895 -1.204 -1.507
H12 -0.895 -1.204 -1.507

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.40121.40122.41212.41211.10682.32132.32133.17673.17673.17673.1767
C21.40122.33761.55282.47142.21341.10373.42752.21622.21623.24693.2469
C31.40122.33762.47141.55282.21343.42751.10373.24693.24692.21622.2162
C42.41211.55282.47141.58133.47672.25463.49371.11501.11502.24772.2477
C52.41212.47141.55281.58133.47673.49372.25462.24772.24771.11501.1150
H61.10682.21342.21343.47673.47672.80322.80324.18514.18514.18514.1851
H72.32131.10373.42752.25463.49372.80324.50442.62812.62814.21394.2139
H82.32133.42751.10373.49372.25462.80324.50444.21394.21392.62812.6281
H93.17672.21623.24691.11502.24774.18512.62814.21391.78922.40873.0005
H103.17672.21623.24691.11502.24774.18512.62814.21391.78923.00052.4087
H113.17673.24692.21622.24771.11504.18514.21392.62812.40873.00051.7892
H123.17673.24692.21622.24771.11504.18514.21392.62813.00052.40871.7892

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 109.376 C1 C2 H7 135.527
C1 C3 C5 109.376 C1 C3 H8 135.527
C2 C1 C3 113.059 C2 C1 H6 123.471
C2 C4 C5 104.095 C2 C4 H9 111.292
C2 C4 H10 111.292 C3 C1 H6 123.471
C3 C5 C4 104.095 C3 C5 H11 111.292
C3 C5 H12 111.292 C4 C2 H7 115.097
C4 C5 H11 111.780 C4 C5 H12 111.780
C5 C3 H8 115.097 C5 C4 H9 111.780
C5 C4 H10 111.780 H9 C4 H10 106.706
H11 C5 H12 106.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.098      
2 C -0.066      
3 C -0.066      
4 C -0.136      
5 C -0.136      
6 H 0.075      
7 H 0.073      
8 H 0.073      
9 H 0.071      
10 H 0.071      
11 H 0.071      
12 H 0.071      


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 -0.303 0.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.621 0.000 0.000
y 0.000 -27.147 0.000
z 0.000 0.000 -28.122
Traceless
 xyz
x -1.986 0.000 0.000
y 0.000 1.724 0.000
z 0.000 0.000 0.262
Polar
3z2-r20.523
x2-y2-2.474
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.175 0.000 0.000
y 0.000 5.834 0.000
z 0.000 0.000 4.644


<r2> (average value of r2) Å2
<r2> 101.570
(<r2>)1/2 10.078