三草酸根合铑(III)酸钾

三草酸根合铑(III)酸钾
识别
CAS号	15602-35-4
SMILES	[K+].[K+].[K+].O=C1[O-][Rh+3]23([O-]C1=O)([O-]C(=O)C(=O)[O-]2)[O-]C(=O)C(=O)[O-]3;
性质
化学式	C6K3O12Rh
摩尔质量	484.26 g·mol−1
外观	橙红色晶体（4.5水）; 橙色固体（无水）
沸点	45 °C（2.5水，分解）; 110 °C（0.5水，分解）
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

三草酸根合铑(III)酸钾是一种配位化合物，化学式为K₃Rh(C₂O₄)₃。它的二水合物和相应的铱配合物同构。^[3]它的4.5水合物可由草酸氢钾溶解新制的氢氧化铑(III)，缓慢结晶得到。^[1]它的水合物加热逐渐失水，并于184 °C得到无水物。^[1]无水物在225~260 °C分解，其气体分解产物为二氧化碳。^[4]

参考文献

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 W.W. Wendlandt; T.D. George; K.V. Krishnamurty (1961). The thermal decomposition of metal complexes—I: Thermogravimetric and differential thermal analysis studies. J. Inorg. Nucl. Chem, 21 (1-2), 69–76. doi:10.1016/0022-1902(61)80415-6.
^ Eugenio Coronado; et al. Heptacoordinated MnII in oxalate-based bimetallic 2D magnets: synthesis and characterisation of [Mn(L)6][Mn(CH3OH)MIII(ox)3]2 (MIII = Cr, Rh; ox = oxalate dianion; L = H2O, CH3OH). Dalton Trans., 2006, 3294-3299. doi:10.1039/B603504C.
^ P. Herpin. Structure cristalline des trioxalates complexes de potassium. I.— Structure de l'irido et du rhodotrioxalate de potassium actifs（法文）. Bulletin de Minéralogie, 1958. 201-219. doi:10.3406/bulmi.1958.5265.
^ Nagase, Kenzo (1972). THERMAL STABILITIES OF METAL OXALATO COMPLEXES IN SOLID STATE. Chemistry Letters, 1(3), 205–206. doi:10.1246/cl.1972.205.

[WWW-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 W.W. Wendlandt; T.D. George; K.V. Krishnamurty (1961). The thermal decomposition of metal complexes—I: Thermogravimetric and differential thermal analysis studies. J. Inorg. Nucl. Chem, 21 (1-2), 69–76. doi:10.1016/0022-1902(61)80415-6.

[2] Eugenio Coronado; et al. Heptacoordinated MnII in oxalate-based bimetallic 2D magnets: synthesis and characterisation of [Mn(L)6][Mn(CH3OH)MIII(ox)3]2 (MIII = Cr, Rh; ox = oxalate dianion; L = H2O, CH3OH). Dalton Trans., 2006, 3294-3299. doi:10.1039/B603504C.

[3] P. Herpin. Structure cristalline des trioxalates complexes de potassium. I.— Structure de l'irido et du rhodotrioxalate de potassium actifs（法文）. Bulletin de Minéralogie, 1958. 201-219. doi:10.3406/bulmi.1958.5265.

[4] Nagase, Kenzo (1972). THERMAL STABILITIES OF METAL OXALATO COMPLEXES IN SOLID STATE. Chemistry Letters, 1(3), 205–206. doi:10.1246/cl.1972.205.

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