{"id":"W2138861556","doi":"10.1038/nchem.828","title":"Synthesis of polyynes to model the sp-carbon allotrope carbyne","year":2010,"lang":"en","type":"article","venue":"Nature Chemistry","topic":"Fullerene Chemistry and Applications","field":"Chemistry","cited_by":529,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Carbyne; Graphene; Carbon fibers; Chemistry; Fullerene; Conjugated system; Triple bond; Carbon chain; Carbon nanotube; Computational chemistry; Nanotechnology; Chemical physics; Materials science; Organic chemistry; Double bond; Polymer; Composite material","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00009714741,0.0002625824,0.0002498674,0.0000114726,0.0001034606,0.00002482205,0.0008972534,0.0007083142,0.0006504018],"category_scores_gemma":[0.0004613329,0.0002043808,0.0001455869,0.0001890428,0.0001490842,0.00002442009,0.0001567696,0.001354866,0.000007358949],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002780936,"about_ca_system_score_gemma":0.000103522,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002045233,"about_ca_topic_score_gemma":0.000006360734,"domain_scores_codex":[0.9986815,0.000003212259,0.0002875076,0.0004248203,0.0003050256,0.0002979297],"domain_scores_gemma":[0.998191,0.0001822057,0.0001365505,0.001181333,0.0001409212,0.0001679836],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00002433349,0.00007748595,0.0001441211,0.0001927754,0.00003615082,0.000001427794,0.00005526343,0.0001127365,0.9973745,0.0001535526,0.001380611,0.0004469873],"study_design_scores_gemma":[0.0001159308,0.00000120488,0.00002302065,0.00004243723,0.00005052185,0.00001476702,0.00007459558,0.0009327667,0.990899,0.000212555,0.007403654,0.0002295009],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8565006,0.0001484793,0.000005725305,0.001429462,0.00004375014,0.00005037826,0.00009362636,0.00008264256,0.1416453],"genre_scores_gemma":[0.9944939,0.00001334941,0.0005382077,0.0001352626,0.0004727308,0.0001158853,0.0000272316,0.00003940505,0.004164048],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1379932,"threshold_uncertainty_score":0.8334409,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004560152573891773,"score_gpt":0.2252659776100835,"score_spread":0.2207058250361917,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}