{"id":{"repo_id":"aachen","oai_identifier":"oai:publications.rwth-aachen.de:56235"},"canonical_url":"https://search.dev.ndltd.org/etd/aachen/oai:publications.rwth-aachen.de:56235","repository":{"repo_id":"aachen","name":"RWTH Aachen University","base_url":"https://publications.rwth-aachen.de/oai2d"},"display":{"title":"Synthese von Galliumhydriden aus intramolekular koordinierten Gallanen : Matrixisolation aus ab-initio-Rechnungen","abstract":"The intramolecularly basecoordinated compounds of the type Me2N(CH2)3GaX2 (X = Cl, Br, N3, Me) undergo gasphasethermolysis in the temperature range between 700 and 1100 °C. The resulting products are trapped in Argon at 15 K using the rare gas matrix-isolation technique. Identification of the thermolysis products was done through the application of IR-spectroscopy. Therefore the measured IR-spectra were compared with calculated ones that based on equilibrium geometries of possible product molecules. These were found with ab-initio-calculation methods. Whereas experiments with X = N3 yields no measurable reactions, the thermolyses of the precursors with X = Cl, Br, Me follows a homogenous schema. Main product of the reaction is the galliummonohydride HGaX2 with X = Cl, Br, Me respectively, formed through an b-hydrogenelimination out of the starting material. The primary product HGaX2 undergoes further reaction in the gas phase resulting in the formation of molecules like H2GaX, GaX3 and GaX.","abstract_html":"The intramolecularly basecoordinated compounds of the type Me2N(CH2)3GaX2 (X = Cl, Br, N3, Me) undergo gasphasethermolysis in the temperature range between 700 and 1100 °C. The resulting products are trapped in Argon at 15 K using the rare gas matrix-isolation technique. Identification of the thermolysis products was done through the application of IR-spectroscopy. Therefore the measured IR-spectra were compared with calculated ones that based on equilibrium geometries of possible product molecules. These were found with ab-initio-calculation methods. Whereas experiments with X = N3 yields no measurable reactions, the thermolyses of the precursors with X = Cl, Br, Me follows a homogenous schema. Main product of the reaction is the galliummonohydride HGaX2 with X = Cl, Br, Me respectively, formed through an b-hydrogenelimination out of the starting material. The primary product HGaX2 undergoes further reaction in the gas phase resulting in the formation of molecules like H2GaX, GaX3 and GaX.","abstract_has_math":false,"creators":["Sternkicker, Henning"],"institution":"Publikationsserver der RWTH Aachen University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Paetzold, Peter"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1999,"date_issued":"1999","date_published":"1999","updated_at":"2026-07-30T19:41:53Z","subjects":["info:eu-repo/classification/ddc/540","Chemie","Galliumhydride","Chemische Synthese","Galliumorganische Verbindungen","Pyrolyse","Matrixisolation","Tieftemperatur","Matrix-Isolations-Spektroskopie"],"languages":["ger"],"rights":["info:eu-repo/semantics/openAccess"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-118354%22"],"render_values":[{"text":"https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-118354%22","href":"https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-118354%22","code":true}]}]},"links":{"outbound_url":"https://publications.rwth-aachen.de/record/56235","outbound_label":"Repository record","outbound_source":"dc:identifier"},"source_record":{"url":"https://publications.rwth-aachen.de/oai2d?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Apublications.rwth-aachen.de%3A56235","prefix":"oai_dc"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Paetzold, Peter"]},{"key":"dc:creator","label":"Author","values":["Sternkicker, Henning"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:coverage","label":"Dc Coverage","values":["DE"]},{"key":"dc:date","label":"Dc Date","values":["1999"]},{"key":"dc:publisher","label":"Institution","values":["Publikationsserver der RWTH Aachen University"]},{"key":"dc:relation","label":"Dc Relation","values":["info:eu-repo/semantics/altIdentifier/urn/urn:nbn:de:hbz:82-opus-532"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/doctoralThesis","info:eu-repo/semantics/publishedVersion"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["info:eu-repo/classification/ddc/540","Chemie","Galliumhydride","Chemische Synthese","Galliumorganische Verbindungen","Pyrolyse","Matrixisolation","Tieftemperatur","Matrix-Isolations-Spektroskopie"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["ger"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://publications.rwth-aachen.de/record/56235","https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-118354%22"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The intramolecularly basecoordinated compounds of the type Me2N(CH2)3GaX2 (X = Cl, Br, N3, Me) undergo gasphasethermolysis in the temperature range between 700 and 1100 °C. The resulting products are trapped in Argon at 15 K using the rare gas matrix-isolation technique. Identification of the thermolysis products was done through the application of IR-spectroscopy. Therefore the measured IR-spectra were compared with calculated ones that based on equilibrium geometries of possible product molecules. These were found with ab-initio-calculation methods. Whereas experiments with X = N3 yields no measurable reactions, the thermolyses of the precursors with X = Cl, Br, Me follows a homogenous schema. Main product of the reaction is the galliummonohydride HGaX2 with X = Cl, Br, Me respectively, formed through an b-hydrogenelimination out of the starting material. The primary product HGaX2 undergoes further reaction in the gas phase resulting in the formation of molecules like H2GaX, GaX3 and GaX."]},{"key":"dc:source","label":"Dc Source","values":["Aachen : Publikationsserver der RWTH Aachen University 124 S. : graph. Darst. (1999). = Aachen, Techn. Hochsch., Diss., 1999"]},{"key":"dc:title","label":"Title","values":["Synthese von Galliumhydriden aus intramolekular koordinierten Gallanen : Matrixisolation aus ab-initio-Rechnungen"]}]}],"canonical_facts":{"dc:contributor":["Paetzold, Peter"],"dc:coverage":["DE"],"dc:creator":["Sternkicker, Henning"],"dc:date":["1999"],"dc:description":["The intramolecularly basecoordinated compounds of the type Me2N(CH2)3GaX2 (X = Cl, Br, N3, Me) undergo gasphasethermolysis in the temperature range between 700 and 1100 °C. The resulting products are trapped in Argon at 15 K using the rare gas matrix-isolation technique. Identification of the thermolysis products was done through the application of IR-spectroscopy. Therefore the measured IR-spectra were compared with calculated ones that based on equilibrium geometries of possible product molecules. These were found with ab-initio-calculation methods. Whereas experiments with X = N3 yields no measurable reactions, the thermolyses of the precursors with X = Cl, Br, Me follows a homogenous schema. Main product of the reaction is the galliummonohydride HGaX2 with X = Cl, Br, Me respectively, formed through an b-hydrogenelimination out of the starting material. The primary product HGaX2 undergoes further reaction in the gas phase resulting in the formation of molecules like H2GaX, GaX3 and GaX."],"dc:identifier":["https://publications.rwth-aachen.de/record/56235","https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-118354%22"],"dc:language":["ger"],"dc:publisher":["Publikationsserver der RWTH Aachen University"],"dc:relation":["info:eu-repo/semantics/altIdentifier/urn/urn:nbn:de:hbz:82-opus-532"],"dc:rights":["info:eu-repo/semantics/openAccess"],"dc:source":["Aachen : Publikationsserver der RWTH Aachen University 124 S. : graph. Darst. (1999). = Aachen, Techn. Hochsch., Diss., 1999"],"dc:subject":["info:eu-repo/classification/ddc/540","Chemie","Galliumhydride","Chemische Synthese","Galliumorganische Verbindungen","Pyrolyse","Matrixisolation","Tieftemperatur","Matrix-Isolations-Spektroskopie"],"dc:title":["Synthese von Galliumhydriden aus intramolekular koordinierten Gallanen : Matrixisolation aus ab-initio-Rechnungen"],"dc:type":["info:eu-repo/semantics/doctoralThesis","info:eu-repo/semantics/publishedVersion"]},"updated_at":"2026-07-30T19:41:53Z"}