{"id":"W2034284886","doi":"10.1021/om034395h","title":"Elusive Niobium Alkyl Cations Related to Ethylene Polymerization","year":2004,"lang":"en","type":"article","venue":"Organometallics","topic":"Organometallic Complex Synthesis and Catalysis","field":"Chemistry","cited_by":21,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of New Brunswick","funders":"","keywords":"Chemistry; Cationic polymerization; Adduct; Alkyl; Niobium; Polymerization; Alkene; Diethyl ether; Ethylene; Ether; Crystal structure; Medicinal chemistry; Polymer chemistry; Organic chemistry; Catalysis; Polymer","routes":{"ca_aff":true,"ca_fund":false,"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":["metaepi_narrow","insufficient_payload"],"consensus_categories":["insufficient_payload"],"category_scores_codex":[0.0001182753,0.0003056419,0.0003671668,0.0002415681,0.0002554446,0.000094786,0.0004627742,0.0001753369,0.03737521],"category_scores_gemma":[0.0002060075,0.0003184795,0.0001886545,0.001470309,0.00007146456,0.0001848141,0.000174156,0.0001872403,0.001394953],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002549223,"about_ca_system_score_gemma":0.0001555235,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000104417,"about_ca_topic_score_gemma":0.00004886671,"domain_scores_codex":[0.9981297,0.00001683711,0.0005107846,0.0005571162,0.0003673672,0.0004182095],"domain_scores_gemma":[0.9985382,0.00005190794,0.0001651809,0.0008320988,0.0001262716,0.000286368],"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":[0.000008996552,0.0002890299,0.0002319558,0.00003334794,0.0002242586,0.000007524185,0.001154268,0.0003726272,0.9737031,0.01107515,0.00004092841,0.01285881],"study_design_scores_gemma":[0.001022736,0.00005767058,0.003490285,0.00005855013,0.0003862789,0.00004365642,0.0009431686,0.00004057666,0.8793287,0.00351486,0.1100006,0.0011129],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9352129,0.0005271263,0.002808819,0.004118315,0.0001937096,0.0001842169,0.0001128975,0.0003814075,0.05646062],"genre_scores_gemma":[0.980784,0.0000829284,0.001314155,0.0003089253,0.000128139,0.00004540372,0.0003613802,0.00009444255,0.01688061],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1099597,"threshold_uncertainty_score":0.9999267,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007106871518225285,"score_gpt":0.2256987549024693,"score_spread":0.218591883384244,"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."}}