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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-194.611135
Energy at 298.15K-194.618348
HF Energy-194.611135
Nuclear repulsion energy163.384633
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 B3PW91/6-31G*
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 3254 3113 8.02      
2 A1 3197 3059 14.92      
3 A1 3036 2905 38.81      
4 A1 1517 1452 2.04      
5 A1 1507 1442 2.19      
6 A1 1303 1247 0.32      
7 A1 1115 1066 3.08      
8 A1 1054 1008 0.01      
9 A1 928 888 3.32      
10 A1 811 776 0.28      
11 A2 3045 2913 0.00      
12 A2 1238 1184 0.00      
13 A2 998 955 0.00      
14 A2 606 580 0.00      
15 A2 120 115 0.00      
16 B1 3065 2932 49.96      
17 B1 1153 1103 1.78      
18 B1 953 912 4.36      
19 B1 816 780 0.93      
20 B1 603 577 53.55      
21 B1 423 405 9.05      
22 B2 3245 3104 13.32      
23 B2 3023 2892 38.69      
24 B2 1492 1428 0.32      
25 B2 1448 1385 3.63      
26 B2 1334 1276 5.49      
27 B2 1314 1257 2.74      
28 B2 1094 1047 0.84      
29 B2 929 889 13.79      
30 B2 723 692 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 22671.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 21690.1 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 B3PW91/6-31G*
ABC
0.26156 0.25528 0.13563

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.267
C2 0.000 1.146 0.504
C3 0.000 -1.146 0.504
C4 0.000 0.772 -0.961
C5 0.000 -0.772 -0.961
H6 0.000 0.000 2.356
H7 0.000 2.208 0.723
H8 0.000 -2.208 0.723
H9 0.877 1.187 -1.480
H10 -0.877 1.187 -1.480
H11 0.877 -1.187 -1.480
H12 -0.877 -1.187 -1.480

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37741.37742.35822.35821.08842.27432.27433.11853.11853.11853.1185
C21.37742.29291.51182.41372.17801.08413.36182.16942.16943.18553.1855
C31.37742.29292.41371.51182.17803.36181.08413.18553.18552.16942.1694
C42.35821.51182.41371.54403.40522.21313.42301.10001.10002.20782.2078
C52.35822.41371.51181.54403.40523.42302.21312.20782.20781.10001.1000
H61.08842.17802.17803.40523.40522.74632.74634.10984.10984.10984.1098
H72.27431.08413.36182.21313.42302.74634.41642.58182.58184.14084.1408
H82.27433.36181.08413.42302.21312.74634.41644.14084.14082.58182.5818
H93.11852.16943.18551.10002.20784.10982.58184.14081.75322.37312.9505
H103.11852.16943.18551.10002.20784.10982.58184.14081.75322.95052.3731
H113.11853.18552.16942.20781.10004.10984.14082.58182.37312.95051.7532
H123.11853.18552.16942.20781.10004.10984.14082.58182.95052.37311.7532

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 109.324 C1 C2 H7 134.681
C1 C3 C5 109.324 C1 C3 H8 134.681
C2 C1 C3 112.675 C2 C1 H6 123.663
C2 C4 C5 104.339 C2 C4 H9 111.351
C2 C4 H10 111.351 C3 C1 H6 123.663
C3 C5 C4 104.339 C3 C5 H11 111.351
C3 C5 H12 111.351 C4 C2 H7 115.996
C4 C5 H11 112.140 C4 C5 H12 112.140
C5 C3 H8 115.996 C5 C4 H9 112.140
C5 C4 H10 112.140 H9 C4 H10 105.673
H11 C5 H12 105.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.118      
2 C -0.166      
3 C -0.166      
4 C -0.360      
5 C -0.360      
6 H 0.156      
7 H 0.163      
8 H 0.163      
9 H 0.173      
10 H 0.173      
11 H 0.173      
12 H 0.173      


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 -0.349 0.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.059 0.000 0.000
y 0.000 -28.324 0.000
z 0.000 0.000 -29.459
Traceless
 xyz
x -3.167 0.000 0.000
y 0.000 2.434 0.000
z 0.000 0.000 0.732
Polar
3z2-r21.465
x2-y2-3.734
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.507 0.000 0.000
y 0.000 8.965 0.000
z 0.000 0.000 7.843


<r2> (average value of r2) Å2
<r2> 99.207
(<r2>)1/2 9.960