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All results from a given calculation for C4H6 (1-Methylcyclopropene)

using model chemistry: MP2=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-155.746391
Energy at 298.15K 
HF Energy-154.932911
Nuclear repulsion energy108.835761
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=FULL/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVQZ
ABC
0.69728 0.21460 0.17503

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.179 0.000
C2 -0.044 -1.320 0.000
C3 1.151 -0.409 0.000
C4 -0.839 1.382 0.000
H5 -0.312 -1.842 0.910
H6 -0.312 -1.842 -0.910
H7 2.220 -0.365 0.000
H8 -0.237 2.283 0.000
H9 -1.484 1.389 -0.874
H10 -1.484 1.389 0.874

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.50031.29301.46622.23892.23892.28612.11742.10472.1047
C21.50031.50242.81661.08291.08292.45753.60893.19043.1904
C31.29301.50242.67762.24102.24101.07023.02983.30803.3080
C41.46622.81662.67763.39113.39113.52291.08411.08631.0863
H52.23891.08292.24103.39111.81993.07004.22553.87263.4374
H62.23891.08292.24103.39111.81993.07004.22553.43743.8726
H72.28612.45751.07023.52293.07003.07003.61294.19084.1908
H82.11743.60893.02981.08414.22554.22553.61291.76601.7660
H92.10473.19043.30801.08633.87263.43744.19081.76601.7481
H102.10473.19043.30801.08633.43743.87264.19081.76601.7481

picture of 1-Methylcyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 51.013 H1 C2 C6 119.282
C2 C3 C6 24.921 C2 C3 C10 72.304
C2 C6 C3 35.775 C2 C6 H4 49.814
C2 C6 H5 32.828 C3 C2 C6 119.304
C3 C6 H4 52.025 C3 C6 H5 66.044
C3 C10 H7 9.320 C3 C10 H8 65.301
C3 C10 H9 74.679 H4 C6 H5 74.435
C6 C3 C10 86.256 H7 C10 H8 58.978
H7 C10 H9 77.962 H8 C10 H9 60.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability