Generic Query Atom

MarvinSketch supports the following types of generic query atoms:

Name

Description

A

Any (any atom except hydrogen)

AH

Any atom, including hydrogen

Q

Hetero (any atom except hydrogen and carbon)

QH

Hetero atom or hydrogen (any atom except carbon)

M

Metal (contains alkali metals, alkaline earth metals, transition metals, actinides, lanthanides, poor(basic) metals, Ge, Sb, and Po)

MH

Metal or hydrogen

X

Halogen (F, Cl, Br or I)

XH

Halogen or hydrogen

Generic Query Atoms can be added to a query structure to include a wide range of elements. For a more detailed description of this please see the Query Guide.

To add a Generic Query Atom to the molecule, select one of the Generic Query Atom types from the Periodic Table and place it on the canvas.