{"id":"W4416824299","doi":"10.26434/chemrxiv-2025-99hwg","title":"Mechanism of the photodecomposition of stable triarylmethyl radicals","year":2025,"lang":"","type":"article","venue":"ChemRxiv","topic":"Synthesis and Properties of Aromatic Compounds","field":"Chemistry","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Sherbrooke; McGill University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Radical; Photodegradation; Reaction mechanism; Luminescence; Photodissociation; Cyclic voltammetry; Excited state; Semiquinone","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0007560198,0.0002961213,0.0008079039,0.00007802102,0.0001690206,0.00003581143,0.0009672114,0.0002996213,0.003135089],"category_scores_gemma":[0.000379049,0.0002201368,0.0005582482,0.0003918843,0.0003398501,0.00007762801,0.0003645371,0.0002650315,0.000007293856],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009125415,"about_ca_system_score_gemma":0.0003245104,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001095649,"about_ca_topic_score_gemma":0.000001795224,"domain_scores_codex":[0.9975871,0.0001322007,0.001177765,0.0003637396,0.0004236222,0.0003155734],"domain_scores_gemma":[0.9972019,0.0006647566,0.0006441398,0.001256303,0.0001657235,0.00006720022],"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":[0.0002009093,0.0004559358,0.0001650794,0.00177007,0.0004040406,5.44712e-7,0.0003234912,0.0000070959,0.9868223,0.00399776,0.002017477,0.003835264],"study_design_scores_gemma":[0.001019158,0.00003132533,0.0001198352,0.001752207,0.000327361,0.000001900407,0.0003053498,0.001165732,0.9789537,0.01340719,0.002729723,0.0001865042],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.909904,0.003807083,0.000394975,0.001361839,0.0006448129,0.0003344679,0.0000170873,0.00002314307,0.0835126],"genre_scores_gemma":[0.993811,0.0003311463,0.0005014048,0.00009121916,0.00006022324,0.00002441685,0.000003655877,0.00002271185,0.005154238],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.083907,"threshold_uncertainty_score":0.9977762,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01455603374054024,"score_gpt":0.238651197694789,"score_spread":0.2240951639542487,"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."}}