{"doi":"10.1107/s2056989019003335","title":"Crystal structure of strontium perchlorate anhydrate, Sr(ClO<sub>4</sub>)<sub>2</sub>, from laboratory powder X-ray diffraction data","abstract":"<jats:p>The crystal structure of strontium perchlorate anhydrate, Sr(ClO<jats:sub>4</jats:sub>)<jats:sub>2</jats:sub>, was determined and refined from laboratory powder X-ray diffraction data. The material was obtained by dehydration of Sr(ClO<jats:sub>4</jats:sub>)<jats:sub>2</jats:sub>·3H<jats:sub>2</jats:sub>O at 523 K for two weeks. It crystallizes in the orthorhombic space group <jats:italic>Pbca</jats:italic> and is isotypic with Ca(AlD<jats:sub>4</jats:sub>)<jats:sub>2</jats:sub> and Ca(ClO<jats:sub>4</jats:sub>)<jats:sub>2</jats:sub>. The asymmetric unit contains one Sr, two Cl and eight O sites, all on general positions (Wyckoff position 8<jats:italic>c</jats:italic>). The crystal structure consists of Sr<jats:sup>2+</jats:sup> cations and isolated ClO<jats:sub>4</jats:sub>\n                  <jats:sup>−</jats:sup> tetrahedra. The Sr<jats:sup>2+</jats:sup> cation is coordinated by eight O atoms from eight ClO<jats:sub>4</jats:sub>\n                  <jats:sup>−</jats:sup> tetrahedra. The validity of the crystal structure model for Sr(ClO<jats:sub>4</jats:sub>)<jats:sub>2</jats:sub> anhydrate was confirmed by the bond valence method.</jats:p>","journal":"Acta Crystallographica Section E Crystallographic Communications","year":2019,"id":28658,"datarank":0.35247547551550373,"base_score":2.0794415416798357,"endowment":2.0794415416798357,"self_citation_contribution":0.31191623125197543,"citation_network_contribution":0.04055924426352832,"self_endowment_contribution":0.31191623125197543,"citer_contribution":0.04055924426352832,"corpus_percentile":null,"corpus_rank":null,"citation_count":7,"citer_count":2,"citers_with_citation_signal":2,"citers_with_endowment":2,"datacite_reuse_total":1,"is_dataset":false,"is_dataset_confidence":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":159910,"name":"Hyeon Woo Lee","orcid":null,"position":1,"is_corresponding":false},{"id":159911,"name":"So Jin Kim","orcid":null,"position":2,"is_corresponding":false},{"id":159912,"name":"Hong Rim Shin","orcid":null,"position":3,"is_corresponding":false},{"id":159913,"name":"Seung-Tae Hong","orcid":"0000-0002-5768-121X","position":4,"is_corresponding":false},{"id":159909,"name":"Jooeun Hyoung","orcid":"0000-0002-5002-7514","position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"base_score":2.0794415416798357,"endowment":2.0794415416798357,"datacite_reuse_total":1,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"31161054","pmcid":"PMC6509688","openalex_id":"https://openalex.org/W4236882701","authors":[],"funders":[{"funder_name":"Ministry of Science, ICT and Future Planning","grant_id":"2015M3D1A1069707","title":null}],"total_grants":1,"fwci":0.0,"citation_percentile":0.20132169,"influential_citations":0,"citation_trend":[{"year":2023,"count":2},{"year":2024,"count":1},{"year":2025,"count":4}],"oa_status":"gold","license":"cc-by","oa_locations":[{"url":"https://journals.iucr.org/e/issues/2019/04/00/wm5484/wm5484.pdf","host_type":"journal"},{"url":"https://journals.iucr.org/e/issues/2019/04/00/wm5484/wm5484.pdf","host_type":"GOLD"},{"url":"https://journals.iucr.org/e/issues/2019/04/00/wm5484/wm5484.pdf","host_type":"publisher"},{"url":"http://journals.iucr.org/e/issues/2019/04/00/wm5484/wm5484.pdf","host_type":"publisher"},{"url":"https://doi.org/10.1107/s2056989019003335","host_type":"journal"},{"url":"https://doaj.org/article/56695142c2cc40d4b03ed0b3c69ffbcc","host_type":"repository"},{"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6509688","host_type":"repository"},{"url":"http://doi.org/10.1107/S2056989019003335","host_type":"repository"},{"url":"https://europepmc.org/articles/PMC6509688","host_type":"Europe_PMC"},{"url":"https://europepmc.org/articles/PMC6509688?pdf=render","host_type":"Europe_PMC"}],"fields_of_study":["X-ray Diffraction in Crystallography","Crystallography and molecular interactions","Thermal and Kinetic Analysis","Medicine","Chemistry","Materials Science"],"mesh_terms":[],"keywords":["Chemistry","Orthorhombic crystal system","Strontium","Crystallography","Crystal structure","Perchlorate","Powder diffraction","Valence (chemistry)","X-ray crystallography","Bond length","Diffraction","Ion","Powder X-ray Diffraction","Isotypism","Strontium Perchlorate Anhydrate"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Clean water and sanitation"}],"linked_datasets":[{"doi":"10.25505/fiz.icsd.cc21v1nm","title":"CSD 1901870: Experimental Crystal Structure Determination","publisher":"FIZ Karlsruhe - Leibniz Institute for Information Infrastructure","resource_type":"Dataset"}],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-06-08T21:51:56.070078Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}