{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Li Y"],"funding":["Ministry of Science and ICT","Ministry of Science and ICT, South Korea","National Research Foundation of Korea"],"pagination":["e202500849"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12089917"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["31(28)"],"pubmed_abstract":["Birefringence, a vital property of anisotropic crystals, is indispensable for advanced optical technologies. Quasi-1D structures, with their inherent structural anisotropy, offer fertile ground for discovering materials with exceptional optical anisotropy. In this work, we report four metal-free quasi-1D crystals-(C<sub>5</sub>H<sub>6</sub>NO)<sup>+</sup>(NO<sub>3</sub>)<sup>-</sup>(4HPN), (C<sub>5</sub>H<sub>6</sub>NO)<sup>+</sup>(HC<sub>2</sub>O<sub>4</sub>)<sup>-</sup>(4HPO), (C<sub>4</sub>N<sub>3</sub>H<sub>6</sub>)<sup>+</sup>(NO<sub>3</sub>)<sup>-</sup>(2APMN), and (C<sub>4</sub>N<sub>3</sub>H<sub>6</sub>)<sup>+</sup>(HC<sub>2</sub>O<sub>4</sub>)<sup>-</sup>·H<sub>2</sub>O (2APMO)-designed to feature pseudo-chain structures and grown as centimeter-scale crystals via a facile aqueous-"],"journal":["Chemistry (Weinheim an der Bergstrasse, Germany)"],"pubmed_title":["Designed Metal-Free Quasi-1D Crystals with Giant Birefringence."],"pmcid":["PMC12089917"],"funding_grant_id":["RS-2024-00442105","RS‐2024‐00442105"],"pubmed_authors":["Li Y","Lee J","Ok KM"],"additional_accession":[]},"is_claimable":false,"name":"Designed Metal-Free Quasi-1D Crystals with Giant Birefringence.","description":"Birefringence, a vital property of anisotropic crystals, is indispensable for advanced optical technologies. Quasi-1D structures, with their inherent structural anisotropy, offer fertile ground for discovering materials with exceptional optical anisotropy. In this work, we report four metal-free quasi-1D crystals-(C<sub>5</sub>H<sub>6</sub>NO)<sup>+</sup>(NO<sub>3</sub>)<sup>-</sup>(4HPN), (C<sub>5</sub>H<sub>6</sub>NO)<sup>+</sup>(HC<sub>2</sub>O<sub>4</sub>)<sup>-</sup>(4HPO), (C<sub>4</sub>N<sub>3</sub>H<sub>6</sub>)<sup>+</sup>(NO<sub>3</sub>)<sup>-</sup>(2APMN), and (C<sub>4</sub>N<sub>3</sub>H<sub>6</sub>)<sup>+</sup>(HC<sub>2</sub>O<sub>4</sub>)<sup>-</sup>·H<sub>2</sub>O (2APMO)-designed to feature pseudo-chain structures and grown as centimeter-scale crystals via a facile aqueous-","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 May","modification":"2026-06-01T07:53:32.472Z","creation":"2026-04-08T10:46:18.645Z"},"accession":"S-EPMC12089917","cross_references":{"pubmed":["40192468"],"doi":["10.1002/chem.202500849"]}}