| Nobby |
Verfasst am: 28. Jan 2026 14:30 Titel: |
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Wenn man in google die keyworte "groups, functional groups in Chem Sketch" eingibt sagt die KI:
In ChemSketch (ACD/Labs), functional groups and specialized structures are easily added using the "Template Window" (F5) for pre-drawn groups (e.g., amino acids, sugars, aromatic rings)
or by using the "Structure Mode" tools to draw them manually.
Users can also create custom groups using the "Radical Label" tool for R-groups, edit atom properties (charges, bonds), and utilize the "Clean Structure" feature to rearrange molecules.
Key Functional Group Tools in ChemSketch:
Template Panel: Access the "Structure" library to select pre-drawn templates for common groups like aromatics, carbohydrates, steroids, and amino acids.
Text Tool: Select the text tool, click an atom in your structure, and type the chemical symbol or formula (e.g., typing "COOH" or "OH") to attach functional groups.
Radical Label Tool: Use this to label R-groups for Markush structures, allowing you to define general structures or variable substituents.
Structure Editing: Customize chemical bonds, change atom types, and edit charges to build specific functional groups.
3D Optimization: Once the 2D structure with functional groups is drawn, use the 3D optimization tool for spatial visualization.
You can watch this video to learn how to add functional groups to your chemical structures:
Key Methods for Handling Functional Groups in ChemSketch:
Structure Mode (Draw Tool): Use the Draw tool (C) to add single or multiple bonds to an atom, then label atoms (like O, N, S) to create functional groups.
Text Tool (Labeling): Select an existing atom, press the text tool (or type), and enter the formula of the functional group (e.g., \(COOH\), \(NH_{2}\), \(NO_{2}\)) to replace it.
Template Window (F5): Open the table of radicals/templates (F5) to select and insert pre-drawn structures like benzene rings, carboxylic acids, or amino acids.
R-Group Labeling: Use the "Radical Label" tool to define specific substituent groups, commonly used for defining generic structures.Cleaning Structure:
Use the "Clean Structure" button to automatically arrange the bonds of the newly added functional group into a proper 2D geometry.
Common Functional Groups Supported:
Oxygen-containing: Alcohol (-OH), Aldehyde (-CHO), Ketone (C=O), Carboxylic Acid (-COOH), Ester (-COO-).
Nitrogen-containing: Amine (\(-NH_{2}\)), Amide (\(-CONH_{2}\)), Nitrile (\(-CN\)).
Halogens & Others: Halides (-F, -Cl, -Br, -I), Sulfides.
Unsaturated Groups: Alkenes (C=C), Alkynes (C\(\equiv \)C).
To manage, edit, or label complex molecules, use the right-click menu to modify atom properties or use the "Structure Properties" dialogue. |
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| Lea38 |
Verfasst am: 26. Jan 2026 15:10 Titel: |
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Hallo! Ja, in ChemSketch geht das ziemlich einfach. Du kannst die Funktion „Functional Groups“ nutzen:
Klicke auf „Groups“ → „Functional Groups“, suche nach CF3 oder erstelle dir eine eigene Gruppe (ähnlich wie CH3). Danach kannst du sie direkt auf dein Molekülgerüst setzen, ohne jedes F einzeln zu zeichnen. Ich mache das selbst ständig – spart echt Zeit!
Kleiner Offtopic-Gedanke am Rande: Genau dieses Prinzip der Vereinfachung finde ich auch in anderen Bereichen sinnvoll – manchmal wirkt etwas klarer und eleganter, wenn man es als Ganzes betrachtet, ähnlich wie bei einer schlichten Kette
mit goldenem Herz, die nicht überladen ist, aber sofort verständlich wirkt 🙂 |
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