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All results from a given calculation for C4H6 (Methylenecyclopropane)

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 C2V 1A1
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-155.642808
Energy at 298.15K 
HF Energy-154.943259
Nuclear repulsion energy109.282610
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
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.652
C2 0.000 0.000 0.307
H3 0.000 0.895 2.171
H4 0.000 -0.895 2.171
C5 0.000 0.747 -0.893
C6 0.000 -0.747 -0.893
H7 0.918 0.927 -1.345
H8 -0.918 0.927 -1.345
H9 -0.918 -0.927 -1.345
H10 0.918 -0.927 -1.345

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.34511.03441.03442.65202.65203.26883.26883.26883.2688
C21.34512.06752.06751.41321.41322.10502.10502.10502.1050
H31.03442.06751.79013.06683.47563.63383.63384.06494.0649
H41.03442.06751.79013.47563.06684.06494.06493.63383.6338
C52.65201.41323.06683.47561.49421.03901.03901.96211.9621
C62.65201.41323.47563.06681.49421.96211.96211.03901.0390
H73.26882.10503.63384.06491.03901.96211.83542.60901.8543
H83.26882.10503.63384.06491.03901.96211.83541.85432.6090
H93.26882.10504.06493.63381.96211.03902.60901.85431.8354
H103.26882.10504.06493.63381.96211.03901.85432.60901.8354

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.085 C1 C2 C6 148.085
C2 C1 H3 120.090 C2 C1 H4 120.090
C2 C5 C6 58.085 C2 C5 H7 117.475
C2 C5 H8 117.475 C2 C6 C5 58.085
C2 C6 H9 117.475 C2 C6 H10 117.475
H3 C1 H4 119.820 C5 C2 C6 63.830
C5 C6 H9 99.980 C5 C6 H10 99.980
C6 C5 H7 99.980 C6 C5 H8 99.980
H7 C5 H8 124.086 H9 C6 H10 124.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability