{"id":"https://openalex.org/W2029985149","doi":"https://doi.org/10.1021/jp951839h","title":"Ab Initio Computations of the Geometrical, Electronic, and Vibrational Properties of the Ground State, the Anion Radical, and the N,N\u2018-Dihydro Cation Radical of 4,4\u2018-Bipyridine Compared to Transient Raman Spectra","display_name":"Ab Initio Computations of the Geometrical, Electronic, and Vibrational Properties of the Ground State, the Anion Radical, and the N,N\u2018-Dihydro Cation Radical of 4,4\u2018-Bipyridine Compared to Transient Raman Spectra","publication_year":1996,"publication_date":"1996-01-01","ids":{"openalex":"https://openalex.org/W2029985149","doi":"https://doi.org/10.1021/jp951839h","mag":"2029985149"},"language":"en","primary_location":{"id":"doi:10.1021/jp951839h","doi":"https://doi.org/10.1021/jp951839h","is_oa":false,"landing_page_url":"https://doi.org/10.1021/jp951839h","pdf_url":null,"source":{"id":"https://openalex.org/S24459064","display_name":"The Journal of Physical Chemistry","issn_l":"0022-3654","issn":["0022-3654","1541-5740"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Physical Chemistry","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017587266","display_name":"L. Ould\u2010Moussa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107855","display_name":"Laboratoire de Spectroscopie pour les Interactions, la R\u00e9activit\u00e9 et l'Environnement","ror":"https://ror.org/01tv2ca73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2279609970","https://openalex.org/I4210107855","https://openalex.org/I4210128300"]},{"id":"https://openalex.org/I4405264447","display_name":"Universit\u00e9 Pierre-et-Marie-Curie","ror":"https://ror.org/01yvrd251","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081","https://openalex.org/I4405264447"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"L. Ould-Moussa","raw_affiliation_strings":["Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France","institution_ids":["https://openalex.org/I4210107855","https://openalex.org/I4405264447"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046990517","display_name":"Olivier Poizat","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107855","display_name":"Laboratoire de Spectroscopie pour les Interactions, la R\u00e9activit\u00e9 et l'Environnement","ror":"https://ror.org/01tv2ca73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2279609970","https://openalex.org/I4210107855","https://openalex.org/I4210128300"]},{"id":"https://openalex.org/I4405264447","display_name":"Universit\u00e9 Pierre-et-Marie-Curie","ror":"https://ror.org/01yvrd251","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081","https://openalex.org/I4405264447"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"O. Poizat","raw_affiliation_strings":["Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France","institution_ids":["https://openalex.org/I4210107855","https://openalex.org/I4405264447"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004578486","display_name":"Martine Castell\u00e0\u2010Ventura","orcid":"https://orcid.org/0000-0001-6926-6243","observed_orcids":["https://orcid.org/0000-0001-6926-6243"]},"institutions":[{"id":"https://openalex.org/I4210107855","display_name":"Laboratoire de Spectroscopie pour les Interactions, la R\u00e9activit\u00e9 et l'Environnement","ror":"https://ror.org/01tv2ca73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2279609970","https://openalex.org/I4210107855","https://openalex.org/I4210128300"]},{"id":"https://openalex.org/I4405264447","display_name":"Universit\u00e9 Pierre-et-Marie-Curie","ror":"https://ror.org/01yvrd251","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081","https://openalex.org/I4405264447"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"M. Castell\u00e0-Ventura","raw_affiliation_strings":["Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France","institution_ids":["https://openalex.org/I4210107855","https://openalex.org/I4405264447"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076379046","display_name":"Guy Buntinx","orcid":"https://orcid.org/0000-0002-2138-7561","observed_orcids":["https://orcid.org/0000-0002-2138-7561"]},"institutions":[{"id":"https://openalex.org/I4210107855","display_name":"Laboratoire de Spectroscopie pour les Interactions, la R\u00e9activit\u00e9 et l'Environnement","ror":"https://ror.org/01tv2ca73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2279609970","https://openalex.org/I4210107855","https://openalex.org/I4210128300"]},{"id":"https://openalex.org/I4405264447","display_name":"Universit\u00e9 Pierre-et-Marie-Curie","ror":"https://ror.org/01yvrd251","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081","https://openalex.org/I4405264447"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"G. Buntinx","raw_affiliation_strings":["Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France","institution_ids":["https://openalex.org/I4210107855","https://openalex.org/I4405264447"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038237411","display_name":"E. Kassab","orcid":"https://orcid.org/0000-0003-1017-5640","observed_orcids":["https://orcid.org/0000-0003-1017-5640"]},"institutions":[{"id":"https://openalex.org/I4210107855","display_name":"Laboratoire de Spectroscopie pour les Interactions, la R\u00e9activit\u00e9 et l'Environnement","ror":"https://ror.org/01tv2ca73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2279609970","https://openalex.org/I4210107855","https://openalex.org/I4210128300"]},{"id":"https://openalex.org/I4405264447","display_name":"Universit\u00e9 Pierre-et-Marie-Curie","ror":"https://ror.org/01yvrd251","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081","https://openalex.org/I4405264447"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"E. Kassab","raw_affiliation_strings":["Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631T), 2 Rue Henry Dunant, BP28, 94320 Thiais, France, Laboratoire de Spectrochimie Infrarouge et Raman (UPR 2631L), Universit\u00e9 des Sciences et Techniques de Lille Flandre Artois, B\u00e2timent C5, 59655 Villeneuve d'Ascq, France, and Laboratoire de Dynamique des Interactions Mol\u00e9culaires (ER 271), Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75230 Paris, France","institution_ids":["https://openalex.org/I4210107855","https://openalex.org/I4405264447"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.2101,"has_fulltext":false,"cited_by_count":72,"citation_normalized_percentile":{"value":0.87368552,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":98},"biblio":{"volume":"100","issue":"6","first_page":"2072","last_page":"2082"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10002","display_name":"Advanced Chemical Physics Studies","score":0.8511000275611877,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10002","display_name":"Advanced Chemical Physics Studies","score":0.8511000275611877,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11177","display_name":"Spectroscopy and Quantum Chemical Studies","score":0.04470000043511391,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12967","display_name":"Molecular Spectroscopy and Structure","score":0.03009999915957451,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/4-4-bipyridine","display_name":"4,4'-bipyridine","score":0.9980000257492065},{"id":"https://openalex.org/keywords/radical-anions","display_name":"radical anions","score":0.9089999794960022},{"id":"https://openalex.org/keywords/vibrational-frequencies","display_name":"vibrational frequencies","score":0.609000027179718},{"id":"https://openalex.org/keywords/force-constants","display_name":"force constants","score":0.9150000214576721},{"id":"https://openalex.org/keywords/potential-energy-distribution","display_name":"potential energy distribution","score":0.8069999814033508},{"id":"https://openalex.org/keywords/isotopomers","display_name":"isotopomers","score":0.8690000176429749},{"id":"https://openalex.org/keywords/ground-state-conformation","display_name":"ground-state conformation","score":0.6830000281333923},{"id":"https://openalex.org/keywords/twist-conformation","display_name":"twisted conformation","score":0.8870000243186951},{"id":"https://openalex.org/keywords/aromaticity","display_name":"aromaticity","score":0.7210000157356262}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9250963926315308},{"id":"https://openalex.org/C69523127","wikidata":"https://www.wikidata.org/wiki/Q4480008","display_name":"Ground state","level":2,"score":0.6753894090652466},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.6254488229751587},{"id":"https://openalex.org/C2182769","wikidata":"https://www.wikidata.org/wiki/Q62500","display_name":"Ionic bonding","level":3,"score":0.6219921112060547},{"id":"https://openalex.org/C127124265","wikidata":"https://www.wikidata.org/wiki/Q2100870","display_name":"Isotopomers","level":3,"score":0.5976675152778625},{"id":"https://openalex.org/C139066938","wikidata":"https://www.wikidata.org/wiki/Q185056","display_name":"Radical","level":2,"score":0.5639533400535583},{"id":"https://openalex.org/C2781442258","wikidata":"https://www.wikidata.org/wiki/Q46310","display_name":"Ab initio","level":2,"score":0.5630506873130798},{"id":"https://openalex.org/C96444392","wikidata":"https://www.wikidata.org/wiki/Q1993452","display_name":"Radical ion","level":3,"score":0.5583305358886719},{"id":"https://openalex.org/C183971685","wikidata":"https://www.wikidata.org/wiki/Q547605","display_name":"Ab initio quantum chemistry methods","level":3,"score":0.537390410900116},{"id":"https://openalex.org/C147597530","wikidata":"https://www.wikidata.org/wiki/Q369472","display_name":"Computational chemistry","level":1,"score":0.5290215015411377},{"id":"https://openalex.org/C86025842","wikidata":"https://www.wikidata.org/wiki/Q5358432","display_name":"Electronic structure","level":2,"score":0.451757550239563},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.32661640644073486},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.3129822015762329},{"id":"https://openalex.org/C32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","level":2,"score":0.24584558606147766},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0656561553478241},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1021/jp951839h","doi":"https://doi.org/10.1021/jp951839h","is_oa":false,"landing_page_url":"https://doi.org/10.1021/jp951839h","pdf_url":null,"source":{"id":"https://openalex.org/S24459064","display_name":"The Journal of Physical Chemistry","issn_l":"0022-3654","issn":["0022-3654","1541-5740"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Physical Chemistry","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-04023940v1","doi":null,"is_oa":false,"landing_page_url":"https://hal.science/hal-04023940","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4405252976","host_organization_name":"Centre pour la Communication Scientifique Directe","host_organization_lineage":["https://openalex.org/I4405252976"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"The Journal of physical chemistry, 1996, 100 (6), pp.2072-2082. ⟨10.1021/jp951839h⟩","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1501283731","https://openalex.org/W1642719628","https://openalex.org/W1650819524","https://openalex.org/W1966086324","https://openalex.org/W1983103022","https://openalex.org/W1986003515","https://openalex.org/W1988302933","https://openalex.org/W1988790151","https://openalex.org/W1999225355","https://openalex.org/W1999973952","https://openalex.org/W2005081365","https://openalex.org/W2011079470","https://openalex.org/W2011156274","https://openalex.org/W2011188705","https://openalex.org/W2015626206","https://openalex.org/W2024220557","https://openalex.org/W2027070252","https://openalex.org/W2033574601","https://openalex.org/W2034920090","https://openalex.org/W2043183789","https://openalex.org/W2044940178","https://openalex.org/W2051186358","https://openalex.org/W2053249447","https://openalex.org/W2059193126","https://openalex.org/W2063222925","https://openalex.org/W2064331476","https://openalex.org/W2067539752","https://openalex.org/W2070220190","https://openalex.org/W2079630211","https://openalex.org/W2090601116","https://openalex.org/W2094123830","https://openalex.org/W2331632694","https://openalex.org/W2624059345","https://openalex.org/W2949575931","https://openalex.org/W2953198143","https://openalex.org/W4256002791"],"related_works":["https://openalex.org/W2150547928","https://openalex.org/W2034690603","https://openalex.org/W1998687351","https://openalex.org/W2015157858","https://openalex.org/W2078177804","https://openalex.org/W1977596685","https://openalex.org/W1984085249","https://openalex.org/W2019416375","https://openalex.org/W1986003515","https://openalex.org/W2064331476"],"abstract_inverted_index":{"The":[0,73,84,109],"geometrical":[1],"and":[2,11,28,36,64,90,104,130],"electronic":[3],"structures,":[4],"the":[5,8,12,23,30,49,55,59,66,70,80,94,97,100,106,120,131,142,147],"force":[6],"constants,":[7],"vibrational":[9,82],"frequencies,":[10],"potential":[13],"energy":[14],"distributions":[15],"for":[16,29,58,69],"various":[17],"isotopomers":[18],"of":[19,96,99,105],"4,4\u2018-bipyridine":[20],"(44BPY)":[21],"in":[22,118,126,141,146],"ground":[24,60,110],"state":[25,61,103,111],"S":[26,62,101],"0":[27,63,102],"corresponding":[31],"anion":[32,148],"radical":[33,41,144],"44BPY":[34],"\u2022-":[35],"N,":[37],"N\u2018":[38],"-dihydro":[39],"cation":[40,143],"44BPYH":[42],"2":[43],"\u2022+":[44],"have":[45,76],"been":[46,77],"computed":[47],"by":[48,114],"3-21G(+*)":[50],"ab":[51],"initio":[52],"method,":[53],"with":[54,65],"RHF":[56],"formalism":[57,68],"ROHF":[67],"ionic":[71,132],"species.":[72],"theoretical":[74],"results":[75],"compared":[78],"to":[79],"available":[81],"data.":[83],"very":[85],"good":[86],"agreement":[87],"between":[88],"calculations":[89],"experiment":[91],"has":[92],"allowed":[93],"determination":[95],"conformations":[98],"ion":[107],"radicals.":[108],"is":[112],"characterized":[113],"an":[115],"aromatic":[116],"structure":[117],"which":[119],"two":[121],"pyridyl":[122],"rings":[123],"are":[124],"linked":[125],"a":[127,135],"twisted":[128],"conformation,":[129],"species":[133],"present":[134],"quinoidal":[136],"planar":[137],"distortion,":[138],"more":[139],"marked":[140],"than":[145],"radical.":[149]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-25T09:29:13.331239","created_date":"2016-06-24T00:00:00"}