Olefin strain energy as a predictor of isolability

Data collection contains:

Determination of the olefin stratin energy ranges corresponding to isolable, observable and unstable alkenes with contemporary forcefields -

Bridgehead alkenes used to determine the olefin strain energy ranges corresponding to isolable, observable, and unstable alkenes;
Forcefield energies of alkenes S1-S25 and alkanes S1H2-S25H2;
Olefin strain energies of alkenes S1-S25;
Olefin strain energies of alkenes S1-S25 computed with different forcefields;
Olefin strain energies of alkenes S1-S19 computed with different force fields, plotted against MM1 OS energy;

Olefin strain energy calculations for natural products -

Forcefield energies or bridgehead alkene natural products or putative bridgehead alkene natural products, and the corresponding alkanes;
Olefin strain energies of bridgehead alkene natural products or putative alkene natural products;
OPLS_2005 Optimized geometries;

Density Functional Theory (DFT) calculations -

DFT calculations on NP's giving a measure of the amount of strain energy not captured by the forcefield;
B3LYP-D3 optimized geometries and associated energies;
A small set of alkenes for rapid estimation of OS cutoffs for other forcefields