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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-194.530402
Energy at 298.15K-194.537757
HF Energy-194.530402
Nuclear repulsion energy163.440639
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 B1B95/6-31G
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 3292 3140 10.51      
2 A1 3239 3089 11.07      
3 A1 3058 2916 33.39      
4 A1 1540 1469 5.61      
5 A1 1519 1449 2.42      
6 A1 1306 1246 1.39      
7 A1 1137 1085 3.15      
8 A1 1070 1021 0.10      
9 A1 939 896 4.78      
10 A1 829 791 0.21      
11 A2 3070 2928 0.00      
12 A2 1252 1194 0.00      
13 A2 1023 976 0.00      
14 A2 648 618 0.00      
15 A2 129 123 0.00      
16 B1 3092 2948 48.44      
17 B1 1171 1117 1.87      
18 B1 991 945 4.54      
19 B1 836 797 1.20      
20 B1 627 598 72.95      
21 B1 440 420 8.67      
22 B2 3279 3127 11.95      
23 B2 3043 2902 37.39      
24 B2 1518 1447 1.67      
25 B2 1464 1396 4.64      
26 B2 1356 1293 0.00      
27 B2 1339 1277 11.35      
28 B2 1123 1071 0.89      
29 B2 942 898 16.19      
30 B2 742 707 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 23006.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 21941.6 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 B1B95/6-31G
ABC
0.26185 0.25508 0.13564

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.268
C2 0.000 1.147 0.504
C3 0.000 -1.147 0.504
C4 0.000 0.772 -0.962
C5 0.000 -0.772 -0.962
H6 0.000 0.000 2.351
H7 0.000 2.204 0.722
H8 0.000 -2.204 0.722
H9 0.876 1.183 -1.479
H10 -0.876 1.183 -1.479
H11 0.876 -1.183 -1.479
H12 -0.876 -1.183 -1.479

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37771.37772.35992.35991.08322.27102.27103.11693.11693.11693.1169
C21.37772.29321.51352.41472.17391.08013.35812.16872.16873.18273.1827
C31.37772.29322.41471.51352.17393.35811.08013.18273.18272.16872.1687
C42.35991.51352.41471.54373.40212.21123.41991.09711.09712.20382.2038
C52.35992.41471.51351.54373.40213.41992.21122.20382.20381.09711.0971
H61.08322.17392.17393.40213.40212.74102.74104.10374.10374.10374.1037
H72.27101.08013.35812.21123.41992.74104.40892.58012.58014.13414.1341
H82.27103.35811.08013.41992.21122.74104.40894.13414.13412.58012.5801
H93.11692.16873.18271.09712.20384.10372.58014.13411.75142.36642.9440
H103.11692.16873.18271.09712.20384.10372.58014.13411.75142.94402.3664
H113.11693.18272.16872.20381.09714.10374.13412.58012.36642.94401.7514
H123.11693.18272.16872.20381.09714.10374.13412.58012.94402.36641.7514

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 134.689
C1 C3 C5 109.333 C1 C3 H8 134.689
C2 C1 C3 112.665 C2 C1 H6 123.667
C2 C4 C5 104.335 C2 C4 H9 111.344
C2 C4 H10 111.344 C3 C1 H6 123.667
C3 C5 C4 104.335 C3 C5 H11 111.344
C3 C5 H12 111.344 C4 C2 H7 115.978
C4 C5 H11 112.021 C4 C5 H12 112.021
C5 C3 H8 115.978 C5 C4 H9 112.021
C5 C4 H10 112.021 H9 C4 H10 105.916
H11 C5 H12 105.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 C -0.166      
3 C -0.166      
4 C -0.357      
5 C -0.357      
6 H 0.156      
7 H 0.158      
8 H 0.158      
9 H 0.167      
10 H 0.167      
11 H 0.167      
12 H 0.167      


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 -0.402 0.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.335 0.000 0.000
y 0.000 -28.490 0.000
z 0.000 0.000 -29.489
Traceless
 xyz
x -3.346 0.000 0.000
y 0.000 2.422 0.000
z 0.000 0.000 0.924
Polar
3z2-r21.848
x2-y2-3.845
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.343 0.000 0.000
y 0.000 8.894 0.000
z 0.000 0.000 7.676


<r2> (average value of r2) Å2
<r2> 99.248
(<r2>)1/2 9.962