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化学学报
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化学学报 ›› 1992, Vol. 50 ›› Issue (2): 145-150. 上一篇    下一篇

研究论文

固相配位化学反应研究 XXXX: 硝普钠与锰(II)、钴(II)、镍(II)、铜(II)氯化物的固相反应

郑丽敏;忻新泉;沈俭一   

  1. 南京大学化学系
  • 发布日期:1992-02-15

Studies on the solid state reactions of coordination compounds XXXX: Solid state reactions between sodium nitroprusside and Mn(II), Co(II), Ni(II), Cu(II) Chloride

ZHENG LIMIN;XIN XINQUAN;SHEN JIANYI   

  • Published:1992-02-15

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本文用气相色谱、红外光谱和Mossbauer谱等手段, 研究了硝普钠与锰(II)、钴(II)、镍(II)、铜(II)氯化物在氢气氛中的固相反应, 发现过渡金属盐的存在或多或少地影响了硝普钠的分解方式, 其中CuCl~2.2H~2O与硝普钠室温时就反应生成Cu[Fe(CN)~5NO].χH~2O; 在较高温度下, CoCl~2.6H~2O和NiCl~2.6H~2O与硝普钠的固相反应催化了硝普钠迅速分解; 而氯化锰与硝普钠的固相反应与纯配合物较为接近。探讨了第一步反应可能的机理, 并计算了反应动力学参数。

关键词: 反应机理, 氢, 氯化铜, 固相反应, 氯化锰, 氯化钴, 氯化镍, 配位化学, 硝普钠

Gas chromatog. and IR and Moessbauer spectroscopies were used to study the solid-state reactions between sodium nitroprusside (SNP) and Mn(II), Co(II), Ni(II), and Cu(II) chlorides under hydrogen atomsphere The presence of these metal salts influenced the thermal decomposition of SNP. CuCl2.6H2O reacted with SNP at room temperature to give Cu[Fe(CN)5NO].xH2O. At higher temperature, CoCl2.6H2O and NiCl2.6H2O reacted with SNP, and catalyzed the decomposition Only the reaction of MnCl2.4H2O and SNP was similar to that of the pure complex. A possible mechanism is discussed and kinetic parameters are reported.

Key words: REACTION MECHANISM, HYDROGEN, COPPER CHLORIDE, SOLID PHASE REACTION, MANGANESE CHLORIDE, COBALT CHLORIDE, NICKEL CHLORIDE, COORDINATE CHEMISTRY, SODIUM NITROPRUSSIDE

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