{"id":"W2070658590","doi":"10.1021/jp8064739","title":"A Multinuclear Solid-State NMR Study of Alkali Metal Ions in Tetraphenylborate Salts, M[BPh<sub>4</sub>] (M = Na, K, Rb and Cs): What Is the NMR Signature of Cation−π Interactions?","year":2008,"lang":"en","type":"article","venue":"The Journal of Physical Chemistry A","topic":"Advanced NMR Techniques and Applications","field":"Chemistry","cited_by":34,"is_retracted":false,"has_abstract":true,"ca_institutions":"Steacie Institute for Molecular Sciences","funders":"","keywords":"Chemistry; Alkali metal; Chemical shift; Paramagnetism; Isostructural; Tetraphenylborate; Solid-state nuclear magnetic resonance; Crystallography; Ligand (biochemistry); Quadrupole; NMR spectra database; Electric field gradient; Ion; Inorganic chemistry; Physical chemistry; Nuclear magnetic resonance; Spectral line; Crystal structure; Atomic physics; Physics","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":[0.0001655798,0.0001545843,0.0001911145,0.0001218507,0.0003443517,0.0001894801,0.0002727247,0.0003036376,0.0006719339],"category_scores_gemma":[0.000351929,0.0001218782,0.00007355647,0.0001408327,0.0004439595,0.0003516561,0.0002541959,0.0003339355,0.0001766217],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001466922,"about_ca_system_score_gemma":0.0001358152,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000814688,"about_ca_topic_score_gemma":0.0008126108,"domain_scores_codex":[0.9999136,0.00002128029,0.000004720075,0.00001916948,0.00002849245,0.00001267487],"domain_scores_gemma":[0.9998364,0.00003981734,0.00005111283,0.00001604868,0.00003190814,0.0000245962],"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":[0.0001335206,0.00002092559,0.001263543,0.00006736169,0.00001087045,0.0001041469,0.0001769345,0.000236753,0.9961625,0.0001390915,0.00005024472,0.001634061],"study_design_scores_gemma":[0.00004183554,0.0008881209,0.01095459,0.00001352772,0.0000383668,0.0006622141,0.0002507756,0.00248888,0.9825791,0.0001762145,0.001881994,0.00002436195],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.998968,0.0001984191,0.0004207824,0.00003395748,0.000003161657,0.000003675798,0.00002654752,0.000009148776,0.0003362484],"genre_scores_gemma":[0.9981073,0.0002510747,0.001159309,0.00002428085,0.000008439309,0.000005710431,0.00008797242,0.000006113657,0.0003496886],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.000814688,"threshold_uncertainty_score":0.00224781,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01372948022634219,"score_gpt":0.2852056004941844,"score_spread":0.2714761202678422,"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."}}