Alkynyl bridge
= Alkynyl bridge
An alkynyl-derived group connecting metal centres. Sigma attachment and alkyne pi donation can both contribute; the exact orbital distribution is not established by one averaged NMR resonance.
= Alkynyl bridge
An alkynyl-derived group connecting metal centres. Sigma attachment and alkyne pi donation can both contribute; the exact orbital distribution is not established by one averaged NMR resonance.