Author: Chief Editor: D.L. Perry S.L. Phillips
Publisher:
Publish Date: 2003-01-01
Features: Fragment: Compound: Acetylferrocene Formula: CH3COC5H4FeC5H5 Molecular Formula: C12H12Fe Molecular Weight: 228.074 CASRN: 1271-55-2 Properties: orange crystal [STR93] Formula: AcCl3 Molecular Formula: AcC13 Molecular Weight: 333 CASRN: 22986-54-5 Properties: white crystal; hex, a=0.762nm, c=0.455nm; preparation: reacting Ac(OH)3 with CCl4 at 500°C [KAT86][KIR78] Density, g/cm3: 4.81 [KIR78] Melting Point, °C: sublimes 900 [CRC93] Melting Point, °C: 83 [STR93] Compound: Actinium Formula: Ac Molecular Formula: Ac Molecular Weight: 227 CASRN: 7440-34-8 Properties: silvery white metal; fcc; a=0.5311nm; t1/2 of 227Ac is 21.8 years; a decay product of 235U; stable, colorless solution for Ac; ionic radius Ac, 0.1119nm; enthalpy of vaporization 293kJ/mol; chemistry closely follows that of lanthanum; first discovered in 1899 by Diebieme; preparation: transmutation of radium: 226Ra -> 227Ra 227Ra -> 227Ac [KIR78][KAT86][HAW93] Density, g/cm3: 10.07 (25°C) [Kir91] Melting Point, °C: 1100 [KIR91] Boiling Point, °C: -3300 [MER89] Compound: Actinium bromide Formula: AcBr3 Molecular Formula: AcBR3 Molecular Weight: 467 CASRN: 33689-81-5 Properties: white; hex, a=0.806nm, c=0.468nm; preparation: reacting Ac2O3 with AlBr3 at 750°C [CIC73][KAT86] Solubility: sH2O [CRC93] Density, g/cm3: 5.85 [KAT86] Melting Point, °C: sublimes 800 [CR93] Compound: Actinium chloride Compound: Actinium fluoride Formula: AcF3 Molecular Formula: AcF3 Molecular Weight: 284 CASRN: 33689-80-4 Properties: white crystal; hex, a=0.741nm, c=0.755nm; preparation: from the reaction AcCl3F = AcF3 at 25°C [KIR78][KAT86] Solubility: iH2O [CRC93] Density, g/cm3: 7.88 [KIR78] Compound: Actinium hydroxide Formula: Ac(OH)3 Molecular Formula: AcH3O3 Molecular Weight: 278 CASRN: 12249-30-8 Properties: white [CRC93] Solubility: iH2O [CRC93] Compound: Actinium iodide Formula: AcI3 Molecular Formula: AcI3 Molecular Weight: 608 CASRN: 33689-82-6 Properties: white [CRC93] Solubility: sH2O [CRC93] Melting Point, °C: sublimes 700-800 [CRC93] Compound: Actinium hydride Formula: AcH2 Molecular Formula: AcH2 Molecular Weight: 229 CASRN: 60936-81-4 Properties: black; cub, fluorite structure, a=0.5670nm [CIC73] Density, g/cm3: 8.35 [CIC73] Handbook of Inorganic Compounds Compound: Actinium oxalatedecahydrate Formula: Ac2(C2O4)3·10H2O Molecular Formula: C6H20AC2O22 Molecular Weight: 898 Properties: monocl, a=1.126nm, b=0.997nm, c=1.065nm; obtained by adding soluble oxalate to soluble Ac solution at 25°C [KAT86] Solubility: iH2O [CRC93] Density, g/cm3: 2.68 [KAT86] 10 Compound: Actinium oxide Formula: Ac2O3 Molecular Formula: Ac2O3 Molecular Weight: 502 CASRN: 12002-61-8 Properties: white crystal; hex, a=0.407nm, c=0.629nm; preparation: from decomposition of actinium oxalate at 1100°C [KIR78][KAT86] Solubility: iH2O [CRC93] Density, g/cm3: 9.19 [KIR78] 11 Compound: Actinium oxybromide Formula: AcOBr Molecular Formula: AcBrO Molecular Weight: 323 CASRN: 49848-33-1 Properties: tetra, a=0.427nm, c=0.740nm; preparation: reacting AcBr3 with NH3 and H2O at 100°C [KAT86] Density, g/cm3: 7.89 [KAT86] 12 Compound: Actinium oxychloride Formula: AcOCl Molecular Formula: AcClO Molecular Weight: 278 CASRN: 49848-29-5 Properties: white, tetra, a=0.424nm, c=0.708nm; preparation: reacting AcCl3 with H2O at 1000°C [KAT86][CIC73] Density, g/cm3: 7.23 [KAT86] 13 Compound: Actinium oxyfluoride Formula: AcOF Molecular Formula: AcFO Molecular Weight: 262 CASRN: 49848-24-0 Properties: white; cub, a=0.5931nm; preparation: by reaction of AcF3 with NH3 and H2O at 900-1000°C [KAT86] Density, g/cm3: 8.28 [KAT86] 14 Compound: Actinium phosphate hemihydrate Formula: AcPO4·1/2-H2O Molecular Formula: AcHO4.5P Molecular Weight: 331 Properties: hex, a=0.721nm, c=0.664nm; preparation: precipitation of a soluble Ac salt with a solution of PO4 [KAT86] Density, g/cm3: 5.48 [KAT86] 15 Compound: Actinium sulfide Formula: Ac2S3 Molecular Formula: Ac2S3 Molecular Weight:
Handbook of Inorganic Compounds
📌 Related Posts
Literature
100 Marketing Stories That Changed the World
2026-09-22
Literature
Colorful Edition of Cai Gen Tan (Volumes 1 and 2 with Disc): Colorful Edition
2026-09-21
Literature
English Translation Practice. Level 3: Level 3
2026-09-22
Literature
Contemporary Chinese watercolor artist Gong Liuzhao selected watercolor still life
2026-09-22
Literature
Qiantang River Cuisine: Hangzhou Cuisine
2026-09-27
Literature
Electron transport in mesoscopic systems
2026-09-27
Literature
Knowing Some Chinese Philosophy (Volume 1 and 2)
2026-09-27
Literature
Know a little about world philosophy (Volume 1 and 2)
2026-09-27