PIEZOSYM

Bundled molecular examples

Eight bundled molecular examples and aggregate crystal statistics. No live CSD search. Reference scores are model rankings, not probabilities.

Molecule / refcodeKnown crystal labelSpace groupInspect
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Bundled reference data · not live CSD retrieval
Crystal-record distribution and data notes
Crystal records235,656
Space groups91
Positive-label proportion33.1%
Median R factor4.37%

Eight largest space-group settings

Symmetry-allowed piezoelectricityCentrosymmetric

Source and interpretation

This page provides eight bundled molecular examples and aggregate CSD-snapshot statistics. It does not search CSD live or provide a complete database download; access to original CSD records follows its licensing terms.

Crystal records are known observations. Reference scores are frozen model outputs; these are separate sources of information. A positive molecular label means at least one known form maps to a non-centrosymmetric point group other than 432; it does not specify d₃₃ or a measured response.