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All results from a given calculation for C5H5 (cyclopentadienyl radical)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D5H 2E1"
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-192.861297
Energy at 298.15K 
HF Energy-192.202409
Nuclear repulsion energy149.640090
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.31538 0.28595 0.14997

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.164
C2 0.000 1.179 0.349
C3 0.000 0.727 -0.930
C4 0.000 -0.727 -0.930
C5 0.000 -1.179 0.349
H6 0.000 0.000 2.242
H7 0.000 2.203 0.679
H8 0.000 1.353 -1.808
H9 0.000 -1.353 -1.808
H10 0.000 -2.203 0.679

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10
C11.43282.21682.21681.43281.07832.25603.26543.26542.2560
C21.43281.35662.29542.35722.23011.07622.16433.32583.3977
C32.21681.35661.45442.29543.25482.18321.07792.25753.3429
C42.21682.29541.45441.35663.25483.34292.25751.07792.1832
C51.43282.35722.29541.35662.23013.39773.32582.16431.0762
H61.07832.23013.25483.25482.23012.70174.27034.27032.7017
H72.25601.07622.18323.34293.39772.70172.62824.33904.4063
H83.26542.16431.07792.25753.32584.27032.62822.70514.3390
H93.26543.32582.25751.07792.16434.27034.33902.70512.6282
H102.25603.39773.34292.18321.07622.70174.40634.33902.6282

picture of cyclopentadienyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 105.223 C1 C2 H7 127.516
C1 C5 C4 105.223 C1 C5 H10 127.516
C2 C1 C5 110.684 C2 C1 H6 124.658
C2 C3 C4 109.435 C2 C3 H8 125.106
C3 C2 H7 127.261 C3 C4 C5 109.435
C3 C4 H9 125.459 C4 C3 H8 125.459
C4 C5 H10 127.261 C5 C1 H6 124.658
C5 C4 H9 125.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability