Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2007526433', 'doi': 'https://doi.org/10.1021/ja982748b', 'title': '[C−H···O] Interactions as a Control Element in Supramolecular Complexes: Experimental and Theoretical Evaluation of Receptor Affinities for the Binding of Bipyridinium-Based Guests by Catenated Hosts<sup>1</sup>', 'display_name': '[C−H···O] Interactions as a Control Element in Supramolecular Complexes: Experimental and Theoretical Evaluation of Receptor Affinities for the Binding of Bipyridinium-Based Guests by Catenated Hosts<sup>1</sup>', 'publication_year': 1999, 'publication_date': '1999-02-01', 'ids': {'openalex': 'https://openalex.org/W2007526433', 'doi': 'https://doi.org/10.1021/ja982748b', 'mag': '2007526433'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1021/ja982748b', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S111155417', 'display_name': 'Journal of the American Chemical Society', 'issn_l': '0002-7863', 'issn': ['0002-7863', '1520-5126', '1943-2984'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5042178740', 'display_name': 'K. N. Houk', 'orcid': 'https://orcid.org/0000-0002-8387-5261'}, 'institutions': [{'id': 'https://openalex.org/I79619799', 'display_name': 'University of Birmingham', 'ror': 'https://ror.org/03angcq70', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I79619799']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'K. N. Houk', 'raw_affiliation_strings': ['Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.'], 'affiliations': [{'raw_affiliation_string': 'Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'institution_ids': ['https://openalex.org/I79619799']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109157762', 'display_name': 'Stephan Menzer', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I79619799', 'display_name': 'University of Birmingham', 'ror': 'https://ror.org/03angcq70', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I79619799']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Stephan Menzer', 'raw_affiliation_strings': ['Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.'], 'affiliations': [{'raw_affiliation_string': 'Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'institution_ids': ['https://openalex.org/I79619799']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5001826142', 'display_name': 'Simon P. Newton', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I79619799', 'display_name': 'University of Birmingham', 'ror': 'https://ror.org/03angcq70', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I79619799']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Simon P. Newton', 'raw_affiliation_strings': ['Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.'], 'affiliations': [{'raw_affiliation_string': 'Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'institution_ids': ['https://openalex.org/I79619799']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5021052744', 'display_name': 'Françisco M. Raymo', 'orcid': 'https://orcid.org/0000-0002-6163-6606'}, 'institutions': [{'id': 'https://openalex.org/I79619799', 'display_name': 'University of Birmingham', 'ror': 'https://ror.org/03angcq70', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I79619799']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Françisco M. Raymo', 'raw_affiliation_strings': ['Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'University of Birmingham'], 'affiliations': [{'raw_affiliation_string': 'Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'institution_ids': ['https://openalex.org/I79619799']}, {'raw_affiliation_string': 'University of Birmingham', 'institution_ids': ['https://openalex.org/I79619799']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5027688873', 'display_name': 'J. Fraser Stoddart', 'orcid': 'https://orcid.org/0000-0003-3161-3697'}, 'institutions': [{'id': 'https://openalex.org/I79619799', 'display_name': 'University of Birmingham', 'ror': 'https://ror.org/03angcq70', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I79619799']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'J. Fraser Stoddart', 'raw_affiliation_strings': ['Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'University of Birmingham'], 'affiliations': [{'raw_affiliation_string': 'University of Birmingham', 'institution_ids': ['https://openalex.org/I79619799']}, {'raw_affiliation_string': 'Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'institution_ids': ['https://openalex.org/I79619799']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5111519176', 'display_name': 'David J. Williams', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I79619799', 'display_name': 'University of Birmingham', 'ror': 'https://ror.org/03angcq70', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I79619799']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'David J. Williams', 'raw_affiliation_strings': ['Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.'], 'affiliations': [{'raw_affiliation_string': 'Contribution from the Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angeles, California 90095-1569, School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., and Department of Chemistry, Imperial College, South Kensington, London SW7 2AY, U.K.', 'institution_ids': ['https://openalex.org/I79619799']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 13.043, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 183, 'citation_normalized_percentile': {'value': 0.966263, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '121', 'issue': '7', 'first_page': '1479', 'last_page': '1487'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10798', 'display_name': 'Crystallography and molecular interactions', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1606', 'display_name': 'Physical and Theoretical Chemistry'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10798', 'display_name': 'Crystallography and molecular interactions', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1606', 'display_name': 'Physical and Theoretical Chemistry'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10578', 'display_name': 'Supramolecular Chemistry and Complexes', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1605', 'display_name': 'Organic Chemistry'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10532', 'display_name': 'Molecular Sensors and Ion Detection', 'score': 0.9998, '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/catenane', 'display_name': 'Catenane', 'score': 0.9188089}, {'id': 'https://openalex.org/keywords/affinities', 'display_name': 'Affinities', 'score': 0.5642774}, {'id': 'https://openalex.org/keywords/molecular-recognition', 'display_name': 'Molecular Recognition', 'score': 0.541504}, {'id': 'https://openalex.org/keywords/binding-affinities', 'display_name': 'Binding affinities', 'score': 0.46002355}, {'id': 'https://openalex.org/keywords/cyclophane', 'display_name': 'Cyclophane', 'score': 0.44779727}], 'concepts': [{'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.9230858}, {'id': 'https://openalex.org/C50837382', 'wikidata': 'https://www.wikidata.org/wiki/Q418744', 'display_name': 'Catenane', 'level': 3, 'score': 0.9188089}, {'id': 'https://openalex.org/C93275456', 'wikidata': 'https://www.wikidata.org/wiki/Q756449', 'display_name': 'Supramolecular chemistry', 'level': 3, 'score': 0.8753513}, {'id': 'https://openalex.org/C33347731', 'wikidata': 'https://www.wikidata.org/wiki/Q285210', 'display_name': 'Stacking', 'level': 2, 'score': 0.73357916}, {'id': 'https://openalex.org/C112887158', 'wikidata': 'https://www.wikidata.org/wiki/Q169324', 'display_name': 'Hydrogen bond', 'level': 3, 'score': 0.6236934}, {'id': 'https://openalex.org/C8010536', 'wikidata': 'https://www.wikidata.org/wiki/Q160398', 'display_name': 'Crystallography', 'level': 1, 'score': 0.61755633}, {'id': 'https://openalex.org/C32909587', 'wikidata': 'https://www.wikidata.org/wiki/Q11369', 'display_name': 'Molecule', 'level': 2, 'score': 0.59904337}, {'id': 'https://openalex.org/C71240020', 'wikidata': 'https://www.wikidata.org/wiki/Q186011', 'display_name': 'Stereochemistry', 'level': 1, 'score': 0.58480895}, {'id': 'https://openalex.org/C2780283098', 'wikidata': 'https://www.wikidata.org/wiki/Q4688960', 'display_name': 'Affinities', 'level': 2, 'score': 0.5642774}, {'id': 'https://openalex.org/C179303850', 'wikidata': 'https://www.wikidata.org/wiki/Q4300362', 'display_name': 'Molecular recognition', 'level': 3, 'score': 0.541504}, {'id': 'https://openalex.org/C3018795828', 'wikidata': 'https://www.wikidata.org/wiki/Q899107', 'display_name': 'Binding affinities', 'level': 3, 'score': 0.46002355}, {'id': 'https://openalex.org/C2778624557', 'wikidata': 'https://www.wikidata.org/wiki/Q419024', 'display_name': 'Cyclophane', 'level': 3, 'score': 0.44779727}, {'id': 'https://openalex.org/C115624301', 'wikidata': 'https://www.wikidata.org/wiki/Q895901', 'display_name': 'Crystal structure', 'level': 2, 'score': 0.29450062}, {'id': 'https://openalex.org/C170493617', 'wikidata': 'https://www.wikidata.org/wiki/Q208467', 'display_name': 'Receptor', 'level': 2, 'score': 0.19580123}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.09407091}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1021/ja982748b', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S111155417', 'display_name': 'Journal of the American Chemical Society', 'issn_l': '0002-7863', 'issn': ['0002-7863', '1520-5126', '1943-2984'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 12, 'referenced_works': ['https://openalex.org/W2035674355', 'https://openalex.org/W2040160536', 'https://openalex.org/W2042801131', 'https://openalex.org/W2047730466', 'https://openalex.org/W2049630963', 'https://openalex.org/W2061804458', 'https://openalex.org/W2115415471', 'https://openalex.org/W2131124255', 'https://openalex.org/W255489331', 'https://openalex.org/W2949545694', 'https://openalex.org/W3127042294', 'https://openalex.org/W4248623180'], 'related_works': ['https://openalex.org/W3187200704', 'https://openalex.org/W2464989950', 'https://openalex.org/W2152174363', 'https://openalex.org/W2108827645', 'https://openalex.org/W2068038819', 'https://openalex.org/W2064936676', 'https://openalex.org/W2042801131', 'https://openalex.org/W2036986931', 'https://openalex.org/W2023284401', 'https://openalex.org/W2008399694'], 'abstract_inverted_index': {'Macrocyclic': [0], 'receptors': [1], 'incorporating': [2, 71], 'two': [3, 67, 72, 95], 'facing': [4], 'π-electron-rich': [5, 99], 'aromatic': [6], 'surfaces,': [7], 'held': [8], 'at': [9], 'a': [10, 55, 104], 'distance': [11, 105], 'of': [12, 40, 44, 84, 106, 113, 150, 159], 'approximately': [13, 107], '7': [14], 'Å': [15], 'by': [16, 28, 98, 103, 132], 'polyether': [17], 'spacers,': [18], 'bind': [19, 125], 'bipyridinium-based': [20, 77, 126], 'guests.': [21], 'This': [22], 'recognition': [23], 'motif,': [24], 'which': [25], 'is': [26, 154], 'dictated': [27], 'π−π': [29, 175], 'stacking': [30, 176], 'and': [31, 51, 75, 136, 140], '[C−H···O]': [32, 151, 165], 'hydrogen-bonding': [33, 152], 'interactions,': [34, 63], 'has': [35], 'led': [36], 'to': [37, 124, 168], 'the': [38, 111, 148, 157], 'development': [39], 'efficient': [41], 'template-directed': [42], 'syntheses': [43], 'mechanically': [45, 119], 'interlocked': [46, 120], 'molecules,': [47], 'such': [48], 'as': [49, 130], 'catenanes': [50], 'rotaxanes.': [52], 'By': [53], 'employing': [54], 'supramolecularly': [56], 'assisted': [57], 'synthetic': [58], 'methodology': [59], 'based': [60], 'on': [61, 94, 143], 'these': [62, 85, 118, 160, 179], 'we': [64], 'have': [65], 'self-assembled': [66], 'novel': [68], '[3]catenanes,': [69], 'each': [70], '1,5-dioxynaphtho-38-crown-10': [73], 'components': [74], 'one': [76], 'tetracationic': [78], 'cyclophane': [79], 'component.': [80], 'Single-crystal': [81], 'X-ray': [82], 'analyses': [83], '[3]catenanes': [86], 'revealed': [87], 'that': [88, 147], 'they': [89], 'possess': [90], 'internal': [91], 'cavities': [92], 'bounded': [93], 'opposite': [96], 'sites': [97], '1,5-dioxynaphthalene': [100], 'units': [101], 'separated': [102], '7−8': [108], 'Å.': [109], 'Despite': [110], 'presence': [112], 'apparently': [114], 'ideal': [115, 162], '"binding': [116], 'pockets",': [117], 'compounds': [121], 'steadfastly': [122], 'refuse': [123], 'guests': [127], 'in': [128, 178], 'solution,': [129], 'demonstrated': [131], 'both': [133], '1H': [134], 'NMR': [135], 'UV−vis': [137], 'spectroscopy.': [138], 'AMBER*': [139], 'HF/3-21G': [141], 'calculations': [142], 'appropriate': [144], 'models': [145], 'show': [146], 'absence': [149], 'interactions': [153, 177], 'responsible': [155], 'for': [156], 'instability': [158], 'geometrically': [161], 'complexes.': [163], 'The': [164], 'bond': [166], 'appears': [167], 'be': [169], 'quantitatively': [170], 'much': [171], 'more': [172], 'important': [173], 'than': [174], 'particular': [180], 'systems.': [181]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2007526433', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 6}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 4}, {'year': 2018, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 4}, {'year': 2016, 'cited_by_count': 7}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 6}, {'year': 2012, 'cited_by_count': 10}], 'updated_date': '2024-12-12T01:25:23.150754', 'created_date': '2016-06-24'}