S-group Dialog

    In the S-group dialog, you can create a repeating unit, an SRU polymer, a link node, or a copolymer. It is also possible to change the repeat pattern and the label of these substructural groups.

    Parts of the S-group dialog

    Repeat Pattern Values

    • (ht): Head-to-tail (not displayed on the canvas).
    • hh: Head-to-head.
    • eu: Either/unknown.

    Label Values

    • Number (for example, 3).
    • Range (for example, 5–8).
    • Lowercase letters (a–z except for c and f).
    • Co for copolymers.