甲酸铜

甲酸铜是铜(II)的甲酸盐，化学式为Cu(HCOO)2。可以以无水物[1]、二水[2]或四水合物[3]的形式存在。也能和吡啶、尿素等形成加合物。[4]

甲酸铜
IUPAC名
Copper(II) formate
识别
CAS号 544-19-4（无水）  checkY
22992-79-6（二水）  checkY
5893-61-8（四水）  checkY
SMILES
 
  • C(=O)[O-].C(=O)[O-].[Cu+2]
InChI
 
  • 1/2CH2O2.Cu/c2*2-1-3;/h2*1H,(H,2,3);/q;;+2/p-2
性质
化学式 Cu(HCO2)2
153.584（无水）
225.648（四水） g·mol⁻¹
外观 品蓝色或蓝绿色晶体（无水）[1]
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

制备

甲酸铜可由甲酸和碱式碳酸铜反应得到，产物的形貌、颜色等和反应条件有关。[5]

化学性质

甲酸铜加热可以分解：[5]

Cu(HCOO)2 → Cu + H2↑ + CO2↑

参考文献
  1. Motomichi Inoue, Masaji Kubo. Superexchange interaction in anhydrous copper(II) formate. Inorg. Chem., 1970, 9 (10), pp 2310–2314 DOI: 10.1021/ic50092a022
  2. AM Heyns. The vibrational spectra of the copper(II) formates Part II. The internal formate and lattice modes of Cu(HCOO)2·2H2O. Journal of Molecular Structure, 1985, 127(1):9-20
  3. Ryōiti Kiriyama, Hideko Ibamoto, Kanji Matsuo. The Crystal Structure of Cupric Formate Tetrahydrate, Cu(HCO2)2.4H2O. Acta Cryst, 1954, 7(6-7): 482-483
  4. H. Uekusa, S. Ohba, Y. Saito, et al. Structural comparison between dimeric copper(II) formate and acetate in pyridine and urea adducts. Acta Crystallographica Section C, 1989. 45(3): 377-380. DOI: 10.1107/S0108270188011904
  5. A. K. Galwey, D. Jamieson, M. E. Brown. Thermal decomposition of three crystalline modifications of anhydrous copper(II) formate. J. Phys. Chem., 1974, 78 (26), pp 2664–2670 DOI: 10.1021/j100619a006

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