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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Structure Search interface searching the Crystallography Open Database

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.

Instant structure search

Our hosted mirror returns crystal structures in an instant—no waiting on the public database, no downtime.

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