Newman & Sawhorse Projections | Definition & Examples
Learn about Newman and Sawhorse projections. View examples including the Newman projection of butane. See how to draw Newman and Sawhorse projections.
study.comHere’s a quick update on the latest about Newman projections.
- Newman projection is a standard way in organic chemistry to visualize conformations around a carbon–carbon bond, with the front carbon shown as a point and the back carbon as a circle, helping to compare staggered and eclipsed arrangements. This foundational concept dates back to Melvin Newman in 1952.[1]
- Recent educational resources continue to explain how to draw and interpret Newman projections, including practice on examples like ethane and butane, and how to convert between Newman projections and line-angle (sawhorse) representations to analyze conformational stability.[2][3][4]
- Public teaching videos and tutorials remain popular for visual learners, including step-by-step guides and exercises on identifying anti vs gauche conformations and assessing energy differences between conformers.[5][6][7]
If you’d like, I can pull current articles or videos from specific publishers (e.g., Khan Academy, LibreTexts, Pearson) and summarize the latest examples or create a quick diagram illustrating anti and gauche conformations for a simple molecule like butane. Just tell me your preferred sources or format.
Citations:
- Newman projection overview and origin:.[1]
- Contemporary explanations and conversions between representations:.[4][2]
- Educational videos and practice problems:.[3][6][7][5]