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Molkit

Template Browser

The Template Browser (titled Template Library in the app) is a searchable gallery of prebuilt structures you place with a click: common molecules, functional groups, ring systems, amino acids, and ready-made projections. Open it from Insert > Templates, with Ctrl+Shift+T or Shift+T, or from the Templates button in the toolbar.

Browsing and searching

The sidebar filters by category: All, Simple Molecules, Functional Groups, Aromatics, Heterocycles, Amino Acids, R Groups, Protecting Groups, Fischer Projections, Newman Projections, Haworth Projections, and Chair Conformations. Each card shows a thumbnail, the template name, and its formula. The search box narrows the grid as you type, matching names, formulas, categories, and tags.

Placing a template

Click a card to enter placement mode: the dialog closes, the cursor becomes a crosshair, and a ghost preview of the template follows the pointer. Click on the canvas to place it there. Press Esc or right-click to cancel without placing anything.

After placement, the new structure is selected and Molkit switches to the Select tool so you can position it. Templates rescale to your document’s default bond length, so they always match structures you have already drawn. Placement does not change your active tool while the ghost is up; it borrows the cursor and hands control back when you commit or cancel.

Lone pairs

The Add lone pairs checkbox in the dialog footer auto-fills lone pairs on every atom of the templates you place, computed from each atom’s bonding. It is a per-session preference; it resets the next time you load the app.

Projection templates

The four projection categories place real, editable projections rather than plain atom-and-bond fragments: a Fischer template arrives as a working Fischer projection, a Newman template as a rotatable Newman diagram, and so on. Edit them afterwards exactly like projections you build by hand. See Projections.

See also