Instant structure search
Our hosted mirror returns crystal structures in an instant—no waiting on the public database, no downtime.
Free web tool
Instant search across 500,000+ crystal structures
Structure Search is our hosted mirror of the Crystallography Open Database—search every structure instantly and jump straight there from Search-Match. Free, no download.
Open Structure Search
100% free · No download required
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Why researchers use Structure Search
From academic labs to industrial R&D, Structure Search makes crystal structure lookup instant—and pairs directly with Search-Match phase identification.
Built for Search-Match
Identify a phase in Search-Match and jump straight to the full structure here. The two tools work as one workflow.
500,000+ crystal structures
Full coverage of the Crystallography Open Database (COD)—search across every entry by formula, elements, or structure.
No installation required
Runs entirely in your browser. No software to download, no licenses to manage—just open and search.
Built for real workflows
Search any way
Query by chemical formula, elements, or space group.
Export structures
Download any match as CIF for further analysis.
Completely free. No strings attached.
Structure Search is free for everyone—students, researchers, and companies. We built it to make crystal structure data instantly accessible. Use it as much as you need.
Start using Structure Search