{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:YAAMGZXXQU3X2PXIOESRN244XB","short_pith_number":"pith:YAAMGZXX","schema_version":"1.0","canonical_sha256":"c000c366f785377d3ee8712516eb9cb84236a4931a0e95c5daf9b7ef5e04338d","source":{"kind":"arxiv","id":"1312.6306","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic, Structural, and Theoretical Studies of Halide Complexes with a Urea-based Tripodal Receptor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.atm-clus"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Avijit Pramanik, Bryan M. Wong, Douglas R. Powell, Md. Alamgir Hossain","submitted_at":"2013-12-21T21:32:45Z","abstract_excerpt":"A urea-based tripodal receptor L substituted with p-cyanophenyl groups has been studied for halide anions by $^1$H NMR spectroscopy, density functional theory (DFT) calculations and X-ray crystallography. The $^1$H NMR titration studies suggest that the receptor forms a 1:1 complex with an anion, showing the binding trend in the order of fluoride > chloride > bromide > iodide. The interaction of fluoride anion with the receptor was further confirmed by 2D NOESY and $^{19}$F NMR spectroscopy in DMSO-d$_6$. DFT calculations indicate that the internal halide anion is held by six NH...X interactio"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1312.6306","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-12-21T21:32:45Z","cross_cats_sorted":["cond-mat.other","physics.atm-clus"],"title_canon_sha256":"be3f0caefab8fccb9ab85ba566a4aace6f00f1d1daa0ed229fd6c38581710a60","abstract_canon_sha256":"b82a15f973d95fdf955e68b912189527ae6f3df882a8912b97fb8545cf29a6cb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:04:05.588036Z","signature_b64":"Xe7JLq4RpMGc5nxowr+V9yHkMRDKtVtxCA8iW586pdEzWe74NId18NxEsjf8JZHIED/87kSUSpiMH0Mi014IAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c000c366f785377d3ee8712516eb9cb84236a4931a0e95c5daf9b7ef5e04338d","last_reissued_at":"2026-05-18T03:04:05.587466Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:04:05.587466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic, Structural, and Theoretical Studies of Halide Complexes with a Urea-based Tripodal Receptor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.atm-clus"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Avijit Pramanik, Bryan M. Wong, Douglas R. Powell, Md. Alamgir Hossain","submitted_at":"2013-12-21T21:32:45Z","abstract_excerpt":"A urea-based tripodal receptor L substituted with p-cyanophenyl groups has been studied for halide anions by $^1$H NMR spectroscopy, density functional theory (DFT) calculations and X-ray crystallography. The $^1$H NMR titration studies suggest that the receptor forms a 1:1 complex with an anion, showing the binding trend in the order of fluoride > chloride > bromide > iodide. The interaction of fluoride anion with the receptor was further confirmed by 2D NOESY and $^{19}$F NMR spectroscopy in DMSO-d$_6$. DFT calculations indicate that the internal halide anion is held by six NH...X interactio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6306","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1312.6306","created_at":"2026-05-18T03:04:05.587546+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.6306v1","created_at":"2026-05-18T03:04:05.587546+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6306","created_at":"2026-05-18T03:04:05.587546+00:00"},{"alias_kind":"pith_short_12","alias_value":"YAAMGZXXQU3X","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"YAAMGZXXQU3X2PXI","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"YAAMGZXX","created_at":"2026-05-18T12:28:06.772260+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB","json":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB.json","graph_json":"https://pith.science/api/pith-number/YAAMGZXXQU3X2PXIOESRN244XB/graph.json","events_json":"https://pith.science/api/pith-number/YAAMGZXXQU3X2PXIOESRN244XB/events.json","paper":"https://pith.science/paper/YAAMGZXX"},"agent_actions":{"view_html":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB","download_json":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB.json","view_paper":"https://pith.science/paper/YAAMGZXX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.6306&json=true","fetch_graph":"https://pith.science/api/pith-number/YAAMGZXXQU3X2PXIOESRN244XB/graph.json","fetch_events":"https://pith.science/api/pith-number/YAAMGZXXQU3X2PXIOESRN244XB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB/action/storage_attestation","attest_author":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB/action/author_attestation","sign_citation":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB/action/citation_signature","submit_replication":"https://pith.science/pith/YAAMGZXXQU3X2PXIOESRN244XB/action/replication_record"}},"created_at":"2026-05-18T03:04:05.587546+00:00","updated_at":"2026-05-18T03:04:05.587546+00:00"}