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All results from a given calculation for C4H6 (Methylenecyclopropane)

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 C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-155.478933
Energy at 298.15K 
HF Energy-154.897382
Nuclear repulsion energy109.353573
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
0.65470 0.22871 0.18168

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.652
C2 0.000 0.000 0.307
H3 0.000 0.895 2.172
H4 0.000 -0.895 2.172
C5 0.000 0.747 -0.893
C6 0.000 -0.747 -0.893
H7 0.917 0.927 -1.346
H8 -0.917 0.927 -1.346
H9 -0.917 -0.927 -1.346
H10 0.917 -0.927 -1.346

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.34501.03461.03462.65302.65303.27003.27003.27003.2700
C21.34502.06792.06791.41401.41402.10592.10592.10592.1059
H31.03462.06791.78973.06853.47703.63573.63574.06654.0665
H41.03462.06791.78973.47703.06854.06654.06653.63573.6357
C52.65301.41403.06853.47701.49401.03871.03871.96171.9617
C62.65301.41403.47703.06851.49401.96171.96171.03871.0387
H73.27002.10593.63574.06651.03871.96171.83452.60791.8537
H83.27002.10593.63574.06651.03871.96171.83451.85372.6079
H93.27002.10594.06653.63571.96171.03872.60791.85371.8345
H103.27002.10594.06653.63571.96171.03871.85372.60791.8345

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.111 C1 C2 C6 148.111
C2 C1 H3 120.126 C2 C1 H4 120.126
C2 C5 C6 58.111 C2 C5 H7 117.505
C2 C5 H8 117.505 C2 C6 C5 58.111
C2 C6 H9 117.505 C2 C6 H10 117.505
H3 C1 H4 119.748 C5 C2 C6 63.778
C5 C6 H9 99.970 C5 C6 H10 99.970
C6 C5 H7 99.970 C6 C5 H8 99.970
H7 C5 H8 124.023 H9 C6 H10 124.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability