{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T21:48:31Z","timestamp":1788299311410,"version":"build-2803163510"},"reference-count":43,"publisher":"Wiley","issue":"48","license":[{"start":{"date-parts":[[2016,10,31]],"date-time":"2016-10-31T00:00:00Z","timestamp":1477872000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2016,11,21]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Titanium(III) phosphate, TiPO<jats:sub>4<\/jats:sub>\u2009, is a typical example of an oxyphosphorus compound containing covalent P\u2212O bonds. Single\u2010crystal X\u2010ray diffraction studies of TiPO<jats:sub>4<\/jats:sub> reveal complex and unexpected structural and chemical behavior as a function of pressure at room temperature. A series of phase transitions lead to the high\u2010pressure phase\u2005V, which is stable above 46\u2005GPa and features an unusual oxygen coordination of the phosphorus atoms. TiPO<jats:sub>4<\/jats:sub>\u2010V is the first inorganic phosphorus\u2010containing compound that exhibits fivefold coordination with oxygen. Up to the highest studied pressure of 56\u2005GPa, TiPO<jats:sub>4<\/jats:sub>\u2010V coexists with TiPO<jats:sub>4<\/jats:sub>\u2010IV, which is less dense and might be kinetically stabilized. Above a pressure of about 6\u2005GPa, TiPO<jats:sub>4<\/jats:sub>\u2010II is found to be an incommensurately modulated phase whereas a lock\u2010in transition at about 7\u2005GPa leads to TiPO<jats:sub>4<\/jats:sub>\u2010III with a fourfold superstructure compared to the structure of TiPO<jats:sub>4<\/jats:sub>\u2010I at ambient conditions. TiPO<jats:sub>4<\/jats:sub>\u2010II and TiPO<jats:sub>4<\/jats:sub>\u2010III are similar to the corresponding low\u2010temperature incommensurate and commensurate magnetic phases and reflect the strong pressure dependence of the spin\u2010Peierls interactions.<\/jats:p>","DOI":"10.1002\/anie.201608530","type":"journal-article","created":{"date-parts":[[2016,10,31]],"date-time":"2016-10-31T16:46:07Z","timestamp":1477932367000},"page":"15053-15057","source":"Crossref","is-referenced-by-count":27,"title":["High\u2010Pressure Phase Transformations in TiPO<sub>4<\/sub>: A Route to Pentacoordinated Phosphorus"],"prefix":"10.1002","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0248-1728","authenticated-orcid":false,"given":"Maxim","family":"Bykov","sequence":"first","affiliation":[{"name":"Bayerisches Geoinstitut University of Bayreuth  95440 Bayreuth Germany"},{"name":"Laboratory of Crystallography University of Bayreuth  95440 Bayreuth Germany"},{"name":"Materials Modeling and Development Laboratory National University of Science and Technology \u201cMISIS\u201d  119049 Moscow Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elena","family":"Bykova","sequence":"additional","affiliation":[{"name":"Bayerisches Geoinstitut University of Bayreuth  95440 Bayreuth Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Hanfland","sequence":"additional","affiliation":[{"name":"ESRF  38000 Grenoble France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanns\u2010Peter","family":"Liermann","sequence":"additional","affiliation":[{"name":"Deutsches Elektronen-Synchrotron (DESY)  22607 Hamburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reinhard K.","family":"Kremer","sequence":"additional","affiliation":[{"name":"Max Planck Institute for Solid State Research  70569 Stuttgart Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Glaum","sequence":"additional","affiliation":[{"name":"Institute of Inorganic Chemistry University of Bonn  53121 Bonn Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leonid","family":"Dubrovinsky","sequence":"additional","affiliation":[{"name":"Bayerisches Geoinstitut University of Bayreuth  95440 Bayreuth Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9645-8240","authenticated-orcid":false,"given":"Sander","family":"van\u2005Smaalen","sequence":"additional","affiliation":[{"name":"Laboratory of Crystallography University of Bayreuth  95440 Bayreuth Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,10,31]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1201\/b12961"},{"key":"e_1_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/ar050188x"},{"key":"e_1_2_2_3_1","volume-title":"Compr. 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