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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-194.043347
Energy at 298.15K-194.050671
HF Energy-193.375934
Nuclear repulsion energy163.241890
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 MP3=FULL/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 3089 9.82      
2 A1 3259 3058 4.65      
3 A1 3095 2904 34.98      
4 A1 1565 1468 1.36      
5 A1 1557 1461 1.11      
6 A1 1342 1259 0.02      
7 A1 1157 1085 1.52      
8 A1 1073 1007 0.01      
9 A1 947 888 0.75      
10 A1 833 782 0.00      
11 A2 3112 2920 0.00      
12 A2 1268 1190 0.00      
13 A2 1041 977 0.00      
14 A2 660 619 0.00      
15 A2 110 103 0.00      
16 B1 3130 2937 43.35      
17 B1 1188 1114 2.28      
18 B1 969 909 4.99      
19 B1 843 791 1.59      
20 B1 624 585 64.57      
21 B1 453 425 4.47      
22 B2 3279 3077 14.21      
23 B2 3085 2895 29.62      
24 B2 1539 1444 0.43      
25 B2 1426 1338 13.00      
26 B2 1356 1272 0.54      
27 B2 1338 1255 1.62      
28 B2 1094 1027 0.08      
29 B2 933 875 13.85      
30 B2 740 694 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 23152.2 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 21723.7 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 MP3=FULL/6-31G*
ABC
0.26394 0.25188 0.13532

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.163
C2 0.000 1.301 0.569
C3 0.000 -1.301 0.569
C4 0.000 0.810 -1.006
C5 0.000 -0.810 -1.006
H6 0.000 0.000 2.580
H7 0.000 2.324 0.910
H8 0.000 -2.324 0.910
H9 0.891 1.149 -1.535
H10 -0.891 1.149 -1.535
H11 0.891 -1.149 -1.535
H12 -0.891 -1.149 -1.535

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.43041.43042.31532.31531.41652.33772.33773.06533.06533.06533.0653
C21.43042.60231.64952.63402.39491.07823.64122.29022.29023.35063.3506
C31.43042.60232.63401.64952.39493.64121.07823.35063.35062.29022.2902
C42.31531.64952.63401.62063.67592.44173.67351.09031.09032.21672.2167
C52.31532.63401.64951.62063.67593.67352.44172.21672.21671.09031.0903
H61.41652.39492.39493.67593.67592.86152.86154.36444.36444.36444.3644
H72.33771.07823.64122.44173.67352.86154.64802.85552.85554.34034.3403
H82.33773.64121.07823.67352.44172.86154.64804.34034.34032.85552.8555
H93.06532.29023.35061.09032.21674.36442.85554.34031.78142.29872.9081
H103.06532.29023.35061.09032.21674.36442.85554.34031.78142.90812.2987
H113.06533.35062.29022.21671.09034.36444.34032.85552.29872.90811.7814
H123.06533.35062.29022.21671.09034.36444.34032.85552.90812.29871.7814

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 97.229 C1 C2 H7 137.015
C1 C3 C5 97.229 C1 C3 H8 137.015
C2 C1 C3 130.916 C2 C1 H6 114.542
C2 C4 C5 107.313 C2 C4 H9 111.790
C2 C4 H10 111.790 C3 C1 H6 114.542
C3 C5 C4 107.313 C3 C5 H11 111.790
C3 C5 H12 111.790 C4 C2 H7 125.756
C4 C5 H11 108.117 C4 C5 H12 108.117
C5 C3 H8 125.756 C5 C4 H9 108.117
C5 C4 H10 108.117 H9 C4 H10 109.555
H11 C5 H12 109.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability