{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.einsteinium-iii-iodide","code":"thing-q82804","url":"https://ver.cy/models/thing/q82804/","name":"einsteinium(III) iodide","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Einsteinium(III) iodide is the binary inorganic compound EsI3, consisting formally of einsteinium in the +3 oxidation state and iodide in a 1:3 atomic ratio.","purpose":"Enable an AI agent to identify einsteinium(III) iodide, assess a specimen's chemical and radiological state, and determine whether evidence and authorization support a proposed use.","scope":{"in":["EsI3 identity, einsteinium oxidation state, and iodide stoichiometry","Chemical purity, isotope composition, and dated specimen inventory","Solid-phase identification and evidence for structural assignments","Measured properties with conditions, uncertainty, and specimen age","Chemical and radiological condition relevant to authorized characterization, storage, and transfer"],"out":["Elemental einsteinium and its general nuclear-production model","Other einsteinium halides and oxidation states as independent substances","Solutions, formulations, or assemblies containing EsI3 as complete products","Synthesis equipment and operational preparation procedures","Facility radiation-protection programs and radioactive-waste infrastructure"],"boundaries":[]},"distinguishingFeatures":["Require identification of einsteinium and iodide together; iodine content alone cannot distinguish EsI3 from other iodide salts.","Require evidence consistent with einsteinium in oxidation state +3 and an ideal I:Es ratio of 3:1; assess departures as possible impurities, mixed phases, or altered material.","Distinguish the three iodide ions represented by EsI3 from an assignment of the polyiodide anion I3−.","Distinguish an identified EsI3 phase from a mixture or solution that merely contains einsteinium and iodide.","Use phase-sensitive evidence for identity; specimen color or emitted light alone is insufficient."],"structure":{"bundles":[{"id":"chemical-identity-and-boundaries","name":"Chemical identity and boundaries","description":"Establish what qualifies as the registered substance and how it differs from neighboring chemical entities.","layers":[{"id":"formula-and-valence","name":"Formula and valence","description":"Connect the substance name to its chemical identity.","findings":[{"id":"es-i3-identity","name":"EsI3 identity","description":"Einsteinium triiodide is listed with formula EsI3. [WebElements](https://winter.group.shef.ac.uk/webelements/compounds/einsteinium/einsteinium_triiodide.html). Record specimen evidence supporting the +3 oxidation-state assignment and iodide stoichiometry.","questions":[{"text":"What evidence establishes einsteinium in oxidation state +3 in this specimen?","id":"es-i3-identity-q01","kind":"measurement"},{"text":"Does the measured I:Es ratio support EsI3 within stated uncertainty?","id":"es-i3-identity-q02","kind":"measurement"}]}]},{"id":"substance-versus-containing-material","name":"Substance versus containing material","description":"Separate the EsI3 substance from mixtures and identifiers with different chemical scope.","findings":[{"id":"identity-boundary","name":"Identity boundary","description":"Require evidence that einsteinium and iodide form the assigned substance; distinguish ionic stoichiometry from polyiodide terminology.","questions":[{"text":"Is EsI3 identified as a distinct phase, or is its presence inferred only from a mixture's ingredients?","id":"identity-boundary-q01","kind":"boundary"},{"text":"Which verified identifiers denote this substance rather than elemental einsteinium, a solution, or a polyiodide species?","id":"identity-boundary-q02","kind":"provenance"}]}]}]},{"id":"composition-and-isotope-inventory","name":"Composition and isotope inventory","description":"Describe chemical purity and radioactive composition independently.","layers":[{"id":"chemical-purity","name":"Chemical purity","description":"Quantify the fraction attributable to EsI3 and identify competing species.","findings":[{"id":"impurity-and-phase-accounting","name":"Impurity and phase accounting","description":"Record measured impurities and detection limits without presuming a specific degradation product.","questions":[{"text":"What fractions are assigned to EsI3, other einsteinium species, excess iodine, or unidentified material?","id":"impurity-and-phase-accounting-q01","kind":"measurement"},{"text":"Which analytical methods distinguish trace contamination from a separate phase?","id":"impurity-and-phase-accounting-q02","kind":"measurement"}]}]},{"id":"nuclide-accounting","name":"Nuclide accounting","description":"Attach isotope composition and activity to a reference time.","findings":[{"id":"dated-radioactive-inventory","name":"Dated radioactive inventory","description":"Require nuclide-resolved inventory and distinguish measured values from decay calculations.","questions":[{"text":"Which einsteinium isotopes and other radionuclides are present, in what amounts, and at what reference time?","id":"dated-radioactive-inventory-q01","kind":"measurement"},{"text":"Which evaluated nuclear data and inventory measurements support calculated activity or daughter ingrowth?","id":"dated-radioactive-inventory-q02","kind":"provenance"}]}]}]},{"id":"phase-and-property-evidence","name":"Phase and property evidence","description":"Establish solid-state identity and the limits of reported physical properties.","layers":[{"id":"structural-characterization","name":"Structural characterization","description":"Assess phase assignments against specimen-specific observations.","findings":[{"id":"supported-structure-assignment","name":"Supported structure assignment","description":"Record diffraction or other structural evidence and distinguish direct determination from analogy to related iodides.","questions":[{"text":"Which observations support the reported symmetry, lattice parameters, and phase purity of EsI3?","id":"supported-structure-assignment-q01","kind":"measurement"},{"text":"Which parts of the structure assignment were measured directly and which were inferred from related compounds?","id":"supported-structure-assignment-q02","kind":"provenance"}]}]},{"id":"conditional-physical-properties","name":"Conditional physical properties","description":"Qualify thermal, optical, and bulk-property claims by their experimental conditions.","findings":[{"id":"property-validity","name":"Property validity","description":"Accept a property only with its method, conditions, uncertainty, and evidence that the tested material remained the assigned substance.","questions":[{"text":"Which EsI3 properties have direct measurements, and what specimen composition and conditions apply?","id":"property-validity-q01","kind":"measurement"},{"text":"Does an observed thermal event indicate melting, decomposition, volatilization, or an unresolved combination?","id":"property-validity-q02","kind":"boundary"}]}]}]},{"id":"specimen-evolution","name":"Specimen evolution","description":"Track whether environmental exposure or radioactive aging changes the material being assessed.","layers":[{"id":"environmental-response","name":"Environmental response","description":"Record evidence of changes associated with temperature, atmosphere, or containment.","findings":[{"id":"condition-dependent-integrity","name":"Condition-dependent integrity","description":"Treat environmental sensitivity as a property to establish experimentally rather than inherit from generic halide behavior.","questions":[{"text":"What evidence establishes EsI3 stability under the recorded atmosphere, moisture exposure, and temperature?","id":"condition-dependent-integrity-q01","kind":"measurement"},{"text":"Which observed changes require reidentifying the specimen before further use?","id":"condition-dependent-integrity-q02","kind":"action"}]}]},{"id":"radioactive-aging","name":"Radioactive aging","description":"Relate changing inventory to possible changes in phase or measured properties.","findings":[{"id":"age-dependent-validity","name":"Age-dependent validity","description":"Record specimen age and investigate contributions from daughter ingrowth, self-heating, or radiation damage without assuming their magnitude.","questions":[{"text":"What changes in composition or structure have been observed since the reference characterization?","id":"age-dependent-validity-q01","kind":"measurement"},{"text":"What evidence determines when inventory recalculation or repeat chemical characterization is necessary?","id":"age-dependent-validity-q02","kind":"action"}]}]}]},{"id":"use-constraints-and-authorization","name":"Use constraints and authorization","description":"Connect the assessed EsI3 specimen to documented constraints on proposed actions.","layers":[{"id":"chemical-and-radiological-controls","name":"Chemical and radiological controls","description":"Maintain separately supported assessments of chemical and radioactive hazards.","findings":[{"id":"applicable-control-evidence","name":"Applicable control evidence","description":"Record verified classifications and specimen-specific controls; leave unavailable EsI3-specific toxicology or exposure limits explicitly unresolved.","questions":[{"text":"Which documented chemical classifications or exposure limits explicitly apply to EsI3 in the relevant jurisdiction?","id":"applicable-control-evidence-q01","kind":"provenance"},{"text":"Which radiological controls apply to this specimen's nuclides, activity, physical form, and containment?","id":"applicable-control-evidence-q02","kind":"action"}]}]},{"id":"fitness-for-proposed-use","name":"Fitness for proposed use","description":"Determine whether the current evidence and authorization support the intended action.","findings":[{"id":"specimen-use-decision","name":"Specimen use decision","description":"Link characterization, storage, or transfer decisions to current composition, condition, and applicable institutional authorization.","questions":[{"text":"Does the specimen meet the intended measurement's requirements for phase purity, isotope composition, and stability?","id":"specimen-use-decision-q01","kind":"action"},{"text":"Which current authorization and receiving-facility requirements govern the proposed use or transfer?","id":"specimen-use-decision-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of einsteinium(III) iodide this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of einsteinium(III) iodide this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of einsteinium(III) iodide this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of einsteinium(III) iodide this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of einsteinium(III) iodide this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify the compound from literature and analytical records, citing sources.","Report the radiological hazards from official sources."],"mustNot":["Handle or move radioactive samples outside licensed facilities.","Assist in diverting radioactive material from regulatory control.","Present tiny research quantities as a material available for any use.","Dispose of any material outside radioactive waste systems."],"requiresHuman":["Any transfer, transport or disposal of radioactive material."]},"ethics":{"considerations":["Radioactive materials need strict control to protect workers and the public.","Rare research materials are produced at great cost and must be accounted for."],"affectedParties":["Laboratory workers","The public near facilities"]},"owners":{"steward":"The licensed laboratory that holds it; the national nuclear regulator oversees it.","roles":[],"masterSystems":["National registers of radioactive sources and materials"]},"relations":[{"target":"Q11173","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.einsteinium-iii-iodide","Wikidata: Q82804 (https://www.wikidata.org/wiki/Q82804)"]},"properties":{"applicability":"required","items":["Chemical identity: Einsteinium(III) iodide; EsI3; registry id vr.tr.einsteinium-iii-iodide","Einsteinium oxidation-state assignment: +3 supported; mixed; unresolved, with method and confidence","Iodine-to-einsteinium atomic ratio: Dimensionless molar ratio; ideal value 3, with uncertainty","Chemical purity and phase fractions: Mass or mole fraction, explicitly identified basis, detection limits, and impurity identities","Dated isotope inventory: Nuclide-specific atom fractions or masses with reference timestamp","Activity inventory: Bq by radionuclide at a reference timestamp; measured or calculated with uncertainty","Phase and structural assignment: Observed phase, symmetry assignment, lattice parameters in Å, method, temperature, and confidence","Condition-dependent physical properties: Property-specific units, including K for transitions and g/cm³ for density, with pressure, method, and uncertainty","Environmental and specimen history: Linked records of temperature, atmosphere, containment, elapsed time, and characterization","Applicable identity and control records: Verified chemical identifiers, jurisdiction-specific classifications, and facility authorization records"]},"recognition":{"applicability":"required","items":["Exists only in tiny research quantities, identified by radiometric and analytical data.","Containers carry radiation warning labels."]},"capabilities":{"applicability":"required","items":["Match a specimen to the registry entry using chemical and phase evidence.","Compare published property claims while accounting for isotope composition, measurement conditions, and specimen age.","Identify missing evidence that prevents a specimen from being accepted as sufficiently pure EsI3.","Evaluate whether repeat characterization is needed after storage or a change in specimen condition.","Check a proposed characterization, storage, or transfer against documented specimen-specific controls and authorization."]},"hazards":{"applicability":"required","items":["Intense radioactivity causes self-heating and damage to the sample.","Radiation exposure to workers.","Contamination of equipment and work areas."]},"interfaces":{"applicability":"required","items":["Regulations for the Safe Transport of Radioactive Material (SSR-6), International Atomic Energy Agency."]},"context":{"applicability":"required","items":["Einsteinium(III) iodide is encountered in specialist research on radioactive actinide compounds.","Its study can support understanding of actinide bonding and solid-state behaviour, with work restricted by scarce material and radiological controls."]}},"sources":[{"title":"Wikidata item Q82804: einsteinium(III) iodide","url":"https://www.wikidata.org/wiki/Q82804","note":"identity and sense of the item"},{"title":"Wikipedia: Einsteinium(III) iodide","url":"https://en.wikipedia.org/wiki/Einsteinium%28III%29_iodide","note":"general description of the item"}],"openQuestions":["Which primary studies establish EsI3 crystal structure, and how do isotope composition, specimen age, and uncertainty qualify their assignments?","Which CAS, PubChem, or EC identifiers can be verified as referring specifically to einsteinium(III) iodide?","Are melting, boiling, decomposition, density, and optical-property values directly measured for EsI3 or extrapolated from related compounds?","What experimentally supported environmental-stability and radioactive-aging data define when an EsI3 specimen needs reassessment?","Which EsI3-specific chemical hazard classifications and exposure limits exist, and which controls instead derive from its radionuclide inventory or broader regulatory categories?"],"resources":{"spec":"/models/things/publications/thing-q82804/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q82804/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T09:26:10Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:33+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}