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## What do the atomic qualifiers symbols mean?

Modified on: Mon, 18 Jul, 2016 at 10:26 AM

{acy} acyclic atom

{scy} atom belongs on at least
one cycle

{dcy} atom belongs on two or
more cycles

{sscy} strict single cycle.
System search chemicals with single cycles only

{sp1} hybridization

{sp2} hybridization

{sp3} hybridization

{ar} aromatic atom

{Vx} where x is a digit
. valencies of the atom

{n+} where n is a digit .
positive charge

{n-} where n is a digit .
negative charge

{.} mark radical atoms

{*} mark specific atom of
interest (e.g for calculations of Q)

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