Sunday, June 10, 2018

organic chemistry - How to get the SMILES from structure without software?


Usually I use online programs and structure drawing tools to find the SMILES of a compound. How to find the SMILES without software? Where to find resources to learn it?




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periodic trends - Comparing radii in lithium, beryllium, magnesium, aluminium and sodium ions

Apparently the of last four, $\ce{Mg^2+}$ is closest in radius to $\ce{Li+}$. Is this true, and if so, why would a whole larger shell ($\ce{...