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

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-193.978297
Energy at 298.15K-193.985602
HF Energy-193.403971
Nuclear repulsion energy163.802983
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 CID/6-311G*
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 3331 3095 10.86      
2 A1 3282 3050 10.87      
3 A1 3134 2911 45.59      
4 A1 1578 1467 4.04      
5 A1 1559 1448 0.01      
6 A1 1370 1273 0.43      
7 A1 1151 1069 3.34      
8 A1 1087 1010 0.21      
9 A1 960 892 2.18      
10 A1 844 784 0.13      
11 A2 3144 2921 0.00      
12 A2 1301 1209 0.00      
13 A2 1051 976 0.00      
14 A2 628 583 0.00      
15 A2 91 85 0.00      
16 B1 3166 2942 57.67      
17 B1 1209 1124 3.44      
18 B1 978 909 8.43      
19 B1 845 785 2.67      
20 B1 621 577 70.12      
21 B1 427 396 9.19      
22 B2 3319 3084 13.05      
23 B2 3119 2898 38.72      
24 B2 1551 1441 1.04      
25 B2 1458 1355 9.51      
26 B2 1374 1276 0.64      
27 B2 1370 1272 3.55      
28 B2 1106 1028 0.33      
29 B2 945 878 12.97      
30 B2 750 696 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 23373.0 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 21715.9 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 CID/6-311G*
ABC
0.26347 0.25555 0.13617

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.266
C2 0.000 1.142 0.505
C3 0.000 -1.142 0.505
C4 0.000 0.770 -0.963
C5 0.000 -0.770 -0.963
H6 0.000 0.000 2.347
H7 0.000 2.197 0.725
H8 0.000 -2.197 0.725
H9 0.873 1.181 -1.473
H10 -0.873 1.181 -1.473
H11 0.873 -1.181 -1.473
H12 -0.873 -1.181 -1.473

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37261.37262.35812.35811.08112.26252.26253.10773.10773.10773.1077
C21.37262.28471.51422.41092.16761.07753.34672.16242.16243.17353.1735
C31.37262.28472.41091.51422.16763.34671.07753.17353.17352.16242.1624
C42.35811.51422.41091.54053.39832.21053.41401.09141.09142.19752.1975
C52.35812.41091.51421.54053.39833.41402.21052.19752.19751.09141.0914
H61.08112.16762.16763.39833.39832.73062.73064.09254.09254.09254.0925
H72.26251.07753.34672.21053.41402.73064.39412.57462.57464.12384.1238
H82.26253.34671.07753.41402.21052.73064.39414.12384.12382.57462.5746
H93.10772.16243.17351.09142.19754.09252.57464.12381.74642.36162.9371
H103.10772.16243.17351.09142.19754.09252.57464.12381.74642.93712.3616
H113.10773.17352.16242.19751.09144.09254.12382.57462.36162.93711.7464
H123.10773.17352.16242.19751.09144.09254.12382.57462.93712.36161.7464

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 109.443 C1 C2 H7 134.514
C1 C3 C5 109.443 C1 C3 H8 134.514
C2 C1 C3 112.660 C2 C1 H6 123.670
C2 C4 C5 104.227 C2 C4 H9 111.137
C2 C4 H10 111.137 C3 C1 H6 123.670
C3 C5 C4 104.227 C3 C5 H11 111.137
C3 C5 H12 111.137 C4 C2 H7 116.043
C4 C5 H11 112.096 C4 C5 H12 112.096
C5 C3 H8 116.043 C5 C4 H9 112.096
C5 C4 H10 112.096 H9 C4 H10 106.269
H11 C5 H12 106.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability