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

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-155.624477
Energy at 298.15K 
HF Energy-154.923777
Nuclear repulsion energy108.244048
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 QCISD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.68970 0.21205 0.17296

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.178 0.000
C2 -0.034 -1.331 0.000
C3 1.158 -0.401 0.000
C4 -0.853 1.386 0.000
H5 -0.302 -1.859 0.913
H6 -0.302 -1.859 -0.913
H7 2.231 -0.344 0.000
H8 -0.252 2.295 0.000
H9 -1.500 1.391 -0.879
H10 -1.500 1.391 0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.50891.29481.47862.25262.25262.29102.13192.12032.1203
C21.50891.51172.83711.08821.08822.47033.63213.21403.2140
C31.29481.51172.69022.25602.25601.07423.04263.32453.3245
C41.47862.83712.69023.41573.41573.53581.08971.09201.0920
H52.25261.08822.25603.41571.82563.08884.25353.90033.4644
H62.25261.08822.25603.41571.82563.08884.25353.46443.9003
H72.29102.47031.07423.53583.08883.08883.62354.20784.2078
H82.13193.63213.04261.08974.25354.25353.62351.77441.7744
H92.12033.21403.32451.09203.90033.46444.20781.77441.7585
H102.12033.21403.32451.09203.46443.90034.20781.77441.7585

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 50.763 H1 C2 C6 119.421
C2 C3 C6 24.821 C2 C3 C10 72.589
C2 C6 C3 35.673 C2 C6 H4 49.760
C2 C6 H5 32.985 C3 C2 C6 119.506
C3 C6 H4 51.853 C3 C6 H5 66.134
C3 C10 H7 9.374 C3 C10 H8 65.229
C3 C10 H9 74.664 H4 C6 H5 74.500
C6 C3 C10 86.446 H7 C10 H8 58.851
H7 C10 H9 77.939 H8 C10 H9 60.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability