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All results from a given calculation for C4H8 (methylcyclopropane)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-156.883571
Energy at 298.15K 
HF Energy-156.133715
Nuclear repulsion energy123.856844
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 MP4=FULL/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/6-311G**
ABC
0.51596 0.21095 0.18525

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.350 0.409 0.000
C2 -0.890 1.278 0.000
H3 1.294 0.953 0.000
C4 0.350 -0.899 0.759
C5 0.350 -0.899 -0.759
H6 1.261 -1.203 1.268
H7 1.261 -1.203 -1.268
H8 -0.571 -1.184 1.262
H9 -0.571 -1.184 -1.262
H10 -1.791 0.650 0.000
H11 -0.924 1.920 0.890
H12 -0.924 1.920 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.51431.08961.51231.51232.24422.24422.23142.23142.15502.16782.1678
C21.51432.20822.61772.61773.51993.51992.78452.78451.09801.09791.0979
H31.08962.20822.21312.21312.50192.50193.10493.10493.10022.57832.5783
C41.51232.61772.21311.51831.08672.24331.08782.23932.74993.09653.5057
C51.51232.61772.21311.51832.24331.08672.23931.08782.74993.50573.0965
H62.24423.51992.50191.08672.24332.53671.83253.12393.78933.83044.3802
H72.24423.51992.50192.24331.08672.53673.12391.83253.78934.38023.8304
H82.23142.78453.10491.08782.23931.83253.12392.52332.53853.14623.7932
H92.23142.78453.10492.23931.08783.12391.83252.52332.53853.79323.1462
H102.15501.09803.10022.74992.74993.78933.78932.53852.53851.77651.7765
H112.16781.09792.57833.09653.50573.83044.38023.14623.79321.77651.7793
H122.16781.09792.57833.50573.09654.38023.83043.79323.14621.77651.7793

picture of methylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H10 110.143 C1 C2 H11 111.171
C1 C2 H12 111.171 C1 C4 H5 59.868
C1 C4 H6 118.506 C1 C4 H8 117.293
C1 H5 C4 59.868 C1 H5 H7 118.506
C1 H5 H9 117.293 C2 C1 C3 115.025
C2 C1 C4 119.747 C2 C1 H5 119.747
C3 C1 C4 115.594 C3 C1 H5 115.594
C4 C1 H5 60.265 C4 H5 H7 117.941
C4 H5 H9 117.511 H5 C4 H6 117.941
H5 C4 H8 117.511 H6 C4 H8 114.848
H7 H5 H9 114.848 H10 C2 H11 107.992
H10 C2 H12 107.992 H11 C2 H12 108.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability