Raphael J.F. Berger
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Can someone explain why optical rotation occurs?
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"Optical rotation occurs when carbon atom is surrounded by different groups. " This is not entirely correct. The condition is that the molecules are incongruent with their own mirror images, this is ...

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If we repeatedly divide a solid in half, at what point does it stop being a solid?
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Suppose you start in the thermodynamical equilibrium of the solid at a given temperature and suppose "cutting" means also moving apart from each other by the mean free path in the gas-phase. ...

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Spin Orbital Coupling matrix in $p$-orbital basis
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For example look at entry 1,2: $(H_{SOC})_{1,2} \,=\, <p_x\uparrow| H_{SOC} |p_x\downarrow>\,=\, <p_x\uparrow| \frac{\alpha}{2}(L^{+}\sigma^{+}+L^{-}\sigma^{-}+ L^{z}\sigma^{z})|p_x\...

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