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

using model chemistry: CCSD=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 CCSD=FULL/cc-pVQZ
 hartrees
Energy at 0K-155.773995
Energy at 298.15K 
HF Energy-154.933296
Nuclear repulsion energy108.836571
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 CCSD=FULL/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVQZ
ABC
0.69766 0.21437 0.17490

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.177 0.000
C2 -0.029 -1.322 0.000
C3 1.153 -0.396 0.000
C4 -0.853 1.375 0.000
H5 -0.293 -1.851 0.909
H6 -0.293 -1.851 -0.909
H7 2.221 -0.337 0.000
H8 -0.258 2.283 0.000
H9 -1.498 1.378 -0.875
H10 -1.498 1.378 0.875

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.49941.28691.47112.24122.24122.27932.12202.11022.1102
C21.49941.50182.82061.08401.08402.45663.61253.19603.1960
C31.28691.50182.67562.24362.24361.06993.02753.30723.3072
C41.47112.82062.67563.39803.39803.51831.08531.08731.0873
H52.24121.08402.24363.39801.81773.07254.23263.88053.4461
H62.24121.08402.24363.39801.81773.07254.23263.44613.8805
H72.27932.45661.06993.51833.07253.07253.60654.18744.1874
H82.12203.61253.02751.08534.23264.23263.60651.76711.7671
H92.11023.19603.30721.08733.88053.44614.18741.76711.7509
H102.11023.19603.30721.08733.44613.88054.18741.76711.7509

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 50.783 H1 C2 C6 119.484
C2 C3 C6 24.865 C2 C3 C10 72.552
C2 C6 C3 35.629 C2 C6 H4 49.688
C2 C6 H5 33.025 C3 C2 C6 119.507
C3 C6 H4 51.838 C3 C6 H5 66.104
C3 C10 H7 9.374 C3 C10 H8 65.246
C3 C10 H9 74.650 H4 C6 H5 74.486
C6 C3 C10 86.474 H7 C10 H8 58.873
H7 C10 H9 77.933 H8 C10 H9 60.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability