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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-193.921429
Energy at 298.15K-193.928767
HF Energy-193.370451
Nuclear repulsion energy163.881555
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/6-31G*
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 3354 3098 8.43      
2 A1 3303 3051 10.80      
3 A1 3150 2910 40.26      
4 A1 1597 1475 2.10      
5 A1 1577 1457 0.01      
6 A1 1383 1277 0.12      
7 A1 1165 1076 2.41      
8 A1 1096 1012 0.09      
9 A1 966 892 1.68      
10 A1 846 782 0.17      
11 A2 3163 2922 0.00      
12 A2 1306 1207 0.00      
13 A2 1062 981 0.00      
14 A2 632 584 0.00      
15 A2 107 99 0.00      
16 B1 3183 2940 54.07      
17 B1 1212 1120 2.74      
18 B1 985 910 6.35      
19 B1 859 794 1.74      
20 B1 629 581 56.64      
21 B1 426 393 8.43      
22 B2 3342 3087 11.35      
23 B2 3136 2897 35.95      
24 B2 1571 1451 0.31      
25 B2 1474 1362 7.62      
26 B2 1389 1283 0.61      
27 B2 1386 1280 3.00      
28 B2 1127 1041 0.31      
29 B2 956 883 10.40      
30 B2 753 695 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 23568.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 21769.8 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/6-31G*
ABC
0.26379 0.25584 0.13634

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.265
C2 0.000 1.141 0.504
C3 0.000 -1.141 0.504
C4 0.000 0.770 -0.962
C5 0.000 -0.770 -0.962
H6 0.000 0.000 2.347
H7 0.000 2.196 0.726
H8 0.000 -2.196 0.726
H9 0.874 1.180 -1.474
H10 -0.874 1.180 -1.474
H11 0.874 -1.180 -1.474
H12 -0.874 -1.180 -1.474

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.37141.37142.35632.35631.08182.26152.26153.10773.10773.10773.1077
C21.37142.28221.51242.40892.16711.07823.34472.16292.16293.17273.1727
C31.37142.28222.40891.51242.16713.34471.07823.17273.17272.16292.1629
C42.35631.51242.40891.54053.39712.20943.41291.09261.09262.19792.1979
C52.35632.40891.51241.54053.39713.41292.20942.19792.19791.09261.0926
H61.08182.16712.16713.39713.39712.72972.72974.09314.09314.09314.0931
H72.26151.07823.34472.20943.41292.72974.39252.57552.57554.12354.1235
H82.26153.34471.07823.41292.20942.72974.39254.12354.12352.57552.5755
H93.10772.16293.17271.09262.19794.09312.57554.12351.74742.36092.9372
H103.10772.16293.17271.09262.19794.09312.57554.12351.74742.93722.3609
H113.10773.17272.16292.19791.09264.09314.12352.57552.36092.93721.7474
H123.10773.17272.16292.19791.09264.09314.12352.57552.93722.36091.7474

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 109.493 C1 C2 H7 134.466
C1 C3 C5 109.493 C1 C3 H8 134.466
C2 C1 C3 112.626 C2 C1 H6 123.687
C2 C4 C5 104.194 C2 C4 H9 111.237
C2 C4 H10 111.237 C3 C1 H6 123.687
C3 C5 C4 104.194 C3 C5 H11 111.237
C3 C5 H12 111.237 C4 C2 H7 116.041
C4 C5 H11 112.053 C4 C5 H12 112.053
C5 C3 H8 116.041 C5 C4 H9 112.053
C5 C4 H10 112.053 H9 C4 H10 106.193
H11 C5 H12 106.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability