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All results from a given calculation for C4H6 (Methylenecyclopropane)

using model chemistry: MP2/6-31+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 MP2/6-31+G**
 hartrees
Energy at 0K-155.453762
Energy at 298.15K 
HF Energy-154.901689
Nuclear repulsion energy109.236948
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.65220 0.22841 0.18139

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.644
C2 0.000 0.000 0.314
H3 0.000 0.927 2.202
H4 0.000 -0.927 2.202
C5 0.000 0.771 -0.933
C6 0.000 -0.771 -0.933
H7 0.913 1.269 -1.238
H8 -0.913 1.269 -1.238
H9 -0.913 -1.269 -1.238
H10 0.913 -1.269 -1.238

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.32941.08221.08222.68982.68983.27803.27803.27803.2780
C21.32942.10292.10291.46651.46652.20252.20252.20252.2025
H31.08222.10291.85453.13883.56543.57493.57494.18154.1815
H41.08222.10291.85453.56543.13884.18154.18153.57493.5749
C52.68981.46653.13883.56541.54211.08311.08312.25522.2552
C62.68981.46653.56543.13881.54212.25522.25521.08311.0831
H73.27802.20253.57494.18151.08312.25521.82523.12552.5372
H83.27802.20253.57494.18151.08312.25521.82522.53723.1255
H93.27802.20254.18153.57492.25521.08313.12552.53721.8252
H103.27802.20254.18153.57492.25521.08312.53723.12551.8252

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.280 C1 C2 C6 148.280
C2 C1 H3 121.038 C2 C1 H4 121.038
C2 C5 C6 58.280 C2 C5 H7 118.734
C2 C5 H8 118.734 C2 C6 C5 58.280
C2 C6 H9 118.734 C2 C6 H10 118.734
H3 C1 H4 117.923 C5 C2 C6 63.440
C5 C6 H9 117.346 C5 C6 H10 117.346
C6 C5 H7 117.346 C6 C5 H8 117.346
H7 C5 H8 114.822 H9 C6 H10 114.822
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability