How do I generate a molecule diagram?

Type the molecule name (e.g. benzene), its formula (e.g. C6H6), or describe the structure you want. Choose a style (skeletal, ball-and-stick, or structural), set the resolution, and click Generate. Refine the prompt if any bond or label looks incorrect and regenerate.

Is the molecule generator free?

Yes. Figviz gives every account free credits to generate molecule diagrams right away. Buying a pay-as-you-go credit pack removes the watermark and unlocks higher resolutions up to 4K. Credits never expire, so you can use them at your own pace.

What is the difference between a skeletal formula and a ball-and-stick model?

A skeletal formula is the compact line-notation used in organic chemistry where carbon vertices are implied and hydrogens on carbon are omitted. A ball-and-stick model represents every atom as a sphere and every bond as a stick, making three-dimensional geometry visible. Figviz can generate both; choose the style that fits your purpose.

Can I describe a molecule by name or by formula?

Yes. You can enter a common name (caffeine, ethanol, glucose), an IUPAC name, or a molecular formula (C8H10N4O2, C2H5OH, C6H12O6). You can also add plain-text instructions like "show the hydroxyl group clearly" or "use ball-and-stick with CPK colors" to guide the output.

Can I use the diagrams for chemistry class or homework?

Yes. You can download diagrams as high-resolution PNGs for lab reports, slides, and printed worksheets. As with any AI tool, verify the output against a reliable reference before submitting graded work. Diagrams from a paid account can also be used in your own teaching and educational materials.

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Molecule Generator from Description Molecule Diagrams

Describe any molecule by name, formula, or plain text and get a clean, labeled molecular structure diagram in seconds. Skeletal, ball-and-stick, or structural notation, ready for slides and class.

Last updated: 2026-06-21

✓Name, formula, or plain text input✓Skeletal, ball-and-stick, and structural styles✓Correct atoms, bonds, and labels✓Slide and print ready

Molecule Generator

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Molecule Diagram Examples

Browse molecule diagrams made with Figviz, or generate your own above

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Water Molecule (H2O)

A labeled structural diagram of H2O showing the oxygen atom, two hydrogen atoms, and the bent bond angle.

waterH2Ostructural

Glucose Skeletal Structure (C6H12O6)

The open-chain skeletal formula of glucose with all six carbons, the aldehyde group, and hydroxyl groups labeled.

glucoseC6H12O6skeletal

Caffeine Molecule (C8H10N4O2)

The skeletal formula of caffeine with its fused bicyclic ring, four nitrogen atoms, and three methyl groups labeled.

caffeineC8H10N4O2skeletal

Ethanol Molecule (C2H5OH)

A fully labeled structural diagram of ethanol with the carbon chain, hydrogen atoms, and hydroxyl group.

ethanolC2H5OHstructural

Benzene Ring (C6H6)

The benzene ring skeletal formula showing the regular hexagon with a circle inside representing delocalized electrons.

benzeneC6H6aromatic

Methane Ball-and-Stick Model (CH4)

A 3D ball-and-stick model of methane with the central carbon bonded to four hydrogens in a tetrahedral arrangement.

methaneCH4ball-and-stick

What is a molecule generator from description?

A molecule generator from description is a tool that turns a molecule name, formula, or plain text description into a publication-quality structural diagram. Instead of learning specialized chemistry drawing software, you type something like "caffeine skeletal structure" or "draw ethanol with all hydrogen atoms labeled," and the generator produces the correct diagram with accurate bonds, atom labels, and geometry. Figviz uses AI to interpret your description and render the structure in the notation style you choose, so chemists, students, and educators can go from idea to diagram in seconds.

How to generate a molecule diagram

Enter the molecule name (e.g. glucose), formula (e.g. C6H12O6), or a plain description of what you want to see.

Specify the notation style: skeletal formula, ball-and-stick model, or full structural formula.

Mention any details that matter, such as 3D geometry, specific functional groups, or labeling preferences.

Choose your output aspect ratio and resolution, then click Generate.

Review the diagram, refine the prompt if a bond or label looks off, and download the result.

Molecule diagram notation styles

Skeletal formula: the most compact notation used in organic chemistry. Carbon atoms are shown as line vertices rather than symbols, and hydrogen atoms on carbon are implied. Ideal for complex organic molecules like caffeine or glucose.

Ball-and-stick model: each atom is represented as a sphere and each bond as a stick or cylinder. Shows three-dimensional geometry clearly. Best for teaching molecular shape and bond angles.

Structural formula (expanded): every atom and every bond is drawn out explicitly, including all carbon and hydrogen atoms. Useful for introductory chemistry and when you need to count atoms clearly.

CPK color convention: a color scheme where each element has a standard color (oxygen red, nitrogen blue, carbon black or gray, hydrogen white). Common in colorful textbook illustrations.

Tips for accurate molecule diagrams

Name the molecule precisely or give its molecular formula to avoid ambiguity. For organic structures, state whether you want open-chain or ring form when both exist (glucose open chain vs. glucose pyranose ring). If geometry matters, mention it explicitly: "show tetrahedral geometry" for sp3 carbons or "show planar ring" for aromatic systems. For large molecules, break the request into the key structural features you need labeled. Always cross-check the output against a reference structure before using it in graded work or publications.

Use cases for a molecule generator

Chemistry homework and exam preparation: quickly visualize molecules covered in class without needing specialized software.

Lecture slides and teaching materials: generate clean diagrams at high resolution for presentations and handouts.

Science communication: illustrate articles, infographics, and social media posts with accurate molecular structures.

Lab reports: include properly labeled structural formulas for reagents and products.

Research and patent documentation: produce clear reference diagrams when a quick visual is needed alongside a formal drawing tool.

Frequently asked questions

A molecule generator from description is a tool that converts a plain-text description, name, or formula into a labeled molecular structure diagram. With Figviz you type the molecule name or formula, specify the notation style you want, and the AI generates the correct diagram with atoms, bonds, and labels in seconds, no chemistry drawing software required.

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