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Reaction
proceeds from reactants
(on left) to products
(on right).
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Equilibrium.
Shafts lengths are not meant to imply Keq
≠ 1, or stated
otherwise.
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The
structures on either end of the arrow are resonance
contributors.
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Curved
arrow indicating shift of an
electron pair. Note this arrow has two barbs on the pointy end.
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Curved
arrow indicating shift of a
single electron. Note this arrow has one barb on the pointy end. |
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Photon
added.
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Retrosynthesis
arrow. Designates that the molecule of the left is derived from the
molecule on the right.
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Bond
dipole arrow. The arrow head points to the more electronegative
atom (the δ-
atom); the crossed end of the arrow lies above the more electropositive
atom (the δ+
atom).
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