{"id":"W2085543709","doi":"10.1560/dy9j-0f0n-uuy5-7clb","title":"The SCO (OCS) edward—lemieux effect is controlled by a P‐orbital on oxygen. Evidence from electron momentum spectroscopy, photoelectron spectroscopy, X‐ray crystallography, and density functional theory","year":2000,"lang":"en","type":"article","venue":"Israel Journal of Chemistry","topic":"Organic Chemistry Cycloaddition Reactions","field":"Chemistry","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Chemistry; Spectroscopy; Lone pair; Anomeric effect; Molecular orbital; Atomic orbital; X-ray photoelectron spectroscopy; Molecule; Crystallography; Ether; Oxygen; Photoemission spectroscopy; Density functional theory; Computational chemistry; Electron; Physical chemistry; Nuclear magnetic resonance; Organic chemistry; Physics; Quantum mechanics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001064881,0.0001542314,0.0001320339,0.0002719616,0.0003927409,0.0002926979,0.0001946303,0.0001723995,0.008262379],"category_scores_gemma":[0.0002909761,0.00009907032,0.000103146,0.0001658219,0.000576756,0.000231842,0.0003057136,0.0001891418,0.0003300221],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001585807,"about_ca_system_score_gemma":0.0001135885,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003133887,"about_ca_topic_score_gemma":0.0008929341,"domain_scores_codex":[0.9999434,0.00000752772,0.00000203544,0.00000967532,0.00001950789,0.0000178048],"domain_scores_gemma":[0.999855,0.00006915377,0.00002580089,0.00001870905,0.00001376391,0.0000175951],"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":[0.0006106138,0.00005531661,0.003260656,0.0004302612,0.00004944491,0.0009520705,0.0002340941,0.0009912853,0.9165186,0.04662763,0.002208589,0.02806138],"study_design_scores_gemma":[0.00007371524,0.0007086208,0.0129387,0.00004512236,0.00004554432,0.0009596593,0.0003455758,0.00580172,0.9587819,0.008760841,0.01151166,0.00002711739],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9634666,0.0005348236,0.001832915,0.0001948287,0.00004771606,0.00001096902,0.00004364922,0.0000845329,0.03378402],"genre_scores_gemma":[0.9979141,0.0001514341,0.0002818908,0.00005659401,0.000007148462,0.000004694474,0.00001884476,0.000007533853,0.001557705],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008262379,"threshold_uncertainty_score":0.02764034,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003512647015536878,"score_gpt":0.2157238323039463,"score_spread":0.2122111852884094,"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."}}