{"id":"W4404534265","doi":"10.1021/acsearthspacechem.4c00188","title":"Experimental and Theoretical Investigation of the Reaction of C<sub>2</sub>H with Formaldehyde (CH<sub>2</sub>O) at Very Low Temperatures and Application to Astrochemical Models","year":2024,"lang":"en","type":"article","venue":"ACS Earth and Space Chemistry","topic":"Atmospheric Ozone and Climate","field":"Earth and Planetary Sciences","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"H2020 European Research Council; Universiteit Leiden; Natural Environment Research Council; Science and Technology Facilities Council; European Commission; Sight Research UK; National Center for Atmospheric Research","keywords":"Chemistry; Atmospheric temperature range; Activation energy; Formaldehyde; Branching (polymer chemistry); Photodissociation; Radical; Ab initio; Reaction rate constant; Branching fraction; Yield (engineering); Physical chemistry; Analytical Chemistry (journal); Thermodynamics; Atomic physics; Kinetics; Photochemistry; Physics; Organic chemistry","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00008091117,0.0001284547,0.0001348216,0.000006515757,0.00008521944,0.0000352887,0.00005042561,0.00008689377,0.00000763439],"category_scores_gemma":[0.000009423874,0.00008819753,0.0000218707,0.0001156384,0.0003462301,0.0001580236,0.0000308996,0.0001203019,0.000001256992],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000004134856,"about_ca_system_score_gemma":0.00003299148,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002241572,"about_ca_topic_score_gemma":0.00001822973,"domain_scores_codex":[0.9992933,0.00001324411,0.0001347745,0.0002421025,0.0001697564,0.0001468312],"domain_scores_gemma":[0.9996253,0.00005038041,0.00005062366,0.0001255458,0.00002254542,0.0001256571],"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":[0.0001079685,0.000005856188,0.007928614,0.00013844,0.00001263346,0.000001009073,0.00033706,0.00008355927,0.990152,0.0001044804,0.00003530484,0.001093098],"study_design_scores_gemma":[0.0001571652,0.00006559645,0.009541883,0.00008954146,0.00002111079,0.00004915421,0.0003486029,0.003925121,0.985467,0.0002190668,0.00001371966,0.0001020647],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9984329,0.0008945111,0.00007542162,0.0001671286,0.00001677479,0.0001337695,0.00002605101,0.00001729348,0.0002361869],"genre_scores_gemma":[0.9995569,0.0001587676,0.0001386841,0.0000490443,0.00003530689,0.000004283838,0.00004131455,0.000005141779,0.00001058473],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004685004,"threshold_uncertainty_score":0.3596591,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003312683599132239,"score_gpt":0.1762256016435219,"score_spread":0.1729129180443897,"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."}}