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We study the spectrum of the lowest rovibrational state of the AcOCH$_3+$ symmetric top molecule. The electronic structure full-electron computation was performed within a relativistic coupled cluster method with double and perturbative triple excitations. 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We study the spectrum of the lowest rovibrational state of the AcOCH$_3+$ symmetric top molecule. The electronic structure full-electron computation was performed within a relativistic coupled cluster method with double and perturbative triple excitations. The rovibrational wavefunctions are obtained using a coupled channel technique, taking into account all rovibrational effects and anharmonicities "},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"As a result, the vibrational frequencies, as well as the values of the electric dipole moments for the rovibrational states, were computed.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the relativistic coupled cluster method with perturbative triples and the coupled channel rovibrational treatment together capture the electronic and nuclear motion of AcOCH3+ with sufficient accuracy for the reported dipole moments and frequencies.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Vibrational frequencies and electric dipole moments for rovibrational states of AcOCH3+ computed via relativistic coupled cluster and coupled channel methods.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Relativistic coupled cluster computations yield vibrational frequencies and electric dipole moments for rovibrational states of the AcOCH₃⁺ ion.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"fce17c89c33e7db640ad5b51583670806f7fb5ba923375aaa39cf55b961e9154"},"source":{"id":"2605.15121","kind":"arxiv","version":1},"verdict":{"id":"42ac9081-f4e8-483a-85e6-6eefd4a6009e","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T02:25:28.201535Z","strongest_claim":"As a result, the vibrational frequencies, as well as the values of the electric dipole moments for the rovibrational states, were computed.","one_line_summary":"Vibrational frequencies and electric dipole moments for rovibrational states of AcOCH3+ computed via relativistic coupled cluster and coupled channel methods.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the relativistic coupled cluster method with perturbative triples and the coupled channel rovibrational treatment together capture the electronic and nuclear motion of AcOCH3+ with sufficient accuracy for the reported dipole moments and frequencies.","pith_extraction_headline":"Relativistic coupled cluster computations yield vibrational frequencies and electric dipole moments for rovibrational states of the AcOCH₃⁺ ion."},"references":{"count":40,"sample":[{"doi":"","year":2014,"title":"M. 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