亚硒酸铁

亚硒酸铁
识别
CAS号	15857-44-0（无水） ; 41124-06-5（三水） ; 28184-72-7（五水） ; 31745-39-8（七水）
性质
化学式	Fe2(SeO3)3
外观	黄色晶体（三水）
密度	3.537 g·cm−3（三水）
结构
晶体结构	R3c（No.161）（三水）
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

亚硒酸铁是一种无机化合物，化学式为Fe₂(SeO₃)₃，存在无水物和多种水合物。七水合物由氯化铁和亚硒酸（或亚硒酸钠）在pH 1.05时反应制得。^[3]五水合物具有Fe₂(OH)₃(H₂O)₂(HSeO₃)₃的结构。^[4]三水合物的单晶衍射表明其结构由两个独立的FeO₆八面体与具有三角锥几何构型的SeO₃²⁻构成。^[1]

无水物在534 °C分解为Fe₂O₃·2SeO₂，608 °C生成4Fe₂O₃·SeO₂，并最终于649 °C得到Fe₂O₃。^[5]

参考文献

^ ^1.0 ^1.1 Aitor Larrañaga, José L. Mesa, José L. Pizarro, Luis Lezama, María I. Arriortua, Teófilo Rojo. Synthesis, thermal, spectroscopic and magnetic studies of the Mn(SeO3)·2H2O and Fe2(SeO3)3·3H2O selenites. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 2008-03, 69 (3): 1020–1026 [2020-12-26]. doi:10.1016/j.saa.2007.06.019. （原始内容存档于2020-07-11）（英语）.
^ ^2.0 ^2.1 Gerald Giester, Franz Pertlik. Synthesis and crystal structure of iron(III) selenate(IV) trihydrate, Fe2(SeO3)3 • 3H2O. Journal of Alloys and Compounds. 1994-08, 210 (1-2): 125–128 [2020-12-26]. doi:10.1016/0925-8388(94)90126-0 （英语）.
^ Pinaev, G. F.; Volkova, V. P. Preparation and some properties of iron(III) selenite. Obshchaya i Prikladnaya Khimiya, 1970. 3: 33-39. ISSN: 0369-7045.
^ Maldagalieva, R. A.; Shokanov, A. K. Infrared spectroscopic study of the state of water molecules in crystal hydrates of transition metal selenites. Trudy Khimiko-Metallurgicheskogo Instituta, Akademiya Nauk Kazakhskoi SSR, 1973. 22: 16-20. ISSN: 0516-0324.
^ Bakeeva, S. S.; Muldagalieva, R. A.; Buketov, E. A.; Pashinkin, A. S. Thermal stability of neutral iron selenite. Trudy Khimiko-Metallurgicheskogo Instituta, Akademiya Nauk Kazakhskoi SSR, 1970. 15: 88-92. ISSN: 0516-0324.

[Aitor-1] 1.0 ^1.1 Aitor Larrañaga, José L. Mesa, José L. Pizarro, Luis Lezama, María I. Arriortua, Teófilo Rojo. Synthesis, thermal, spectroscopic and magnetic studies of the Mn(SeO3)·2H2O and Fe2(SeO3)3·3H2O selenites. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 2008-03, 69 (3): 1020–1026 [2020-12-26]. doi:10.1016/j.saa.2007.06.019. （原始内容存档于2020-07-11）（英语）.

[giester-2] 2.0 ^2.1 Gerald Giester, Franz Pertlik. Synthesis and crystal structure of iron(III) selenate(IV) trihydrate, Fe2(SeO3)3 • 3H2O. Journal of Alloys and Compounds. 1994-08, 210 (1-2): 125–128 [2020-12-26]. doi:10.1016/0925-8388(94)90126-0 （英语）.

[3] Pinaev, G. F.; Volkova, V. P. Preparation and some properties of iron(III) selenite. Obshchaya i Prikladnaya Khimiya, 1970. 3: 33-39. ISSN: 0369-7045.

[4] Maldagalieva, R. A.; Shokanov, A. K. Infrared spectroscopic study of the state of water molecules in crystal hydrates of transition metal selenites. Trudy Khimiko-Metallurgicheskogo Instituta, Akademiya Nauk Kazakhskoi SSR, 1973. 22: 16-20. ISSN: 0516-0324.

[5] Bakeeva, S. S.; Muldagalieva, R. A.; Buketov, E. A.; Pashinkin, A. S. Thermal stability of neutral iron selenite. Trudy Khimiko-Metallurgicheskogo Instituta, Akademiya Nauk Kazakhskoi SSR, 1970. 15: 88-92. ISSN: 0516-0324.

[1]

[2]

[3]

[4]

[5]