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氧化亚铜

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氧化亚铜
IUPAC名
Copper (I) oxide
别名 氧化铜(I)
识别
CAS号 1317-39-1  ✓
PubChem 10313194
ChemSpider 8488659
SMILES
InChI
InChIKey BERDEBHAJNAUOM-YQWGQOGZAF
EINECS 215-270-7
RTECS GL8050000
KEGG C18714
性质
化学式 Cu2O
摩尔质量 143.091[1] g·mol⁻¹
外观 红棕色固体[1]
密度 6.0 g/cm3[1]
熔点 1244 °C(1517 K)
沸点 1800 °C(2073 K)(分解为氧气[1]
溶解性 难溶[1]
溶解性(酸) 易溶(HCl除外)
能隙 2.137 eV
结构
晶体结构 立方[1]
热力学
ΔfHmo298K −170 kJ·mol−1
So298K 93 J·mol−1·K−1
危险性
警示术语 R:R22, R50/53
安全术语 S:S2, S22, S60, S61
MSDS SIRI.org
欧盟编号 029-002-00-X
欧盟分类 有害(Xn
危害环境(N
NFPA 704
NFPA 704.svg
0
2
1
 
相关物质
其他阴离子 硫化亚铜
硫化铜
硒化亚铜
其他阳离子 氧化铜
氧化银
氧化镍
氧化锌
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

氧化亚铜是一价氧化物,分子式为Cu2O,红色至红褐色结晶或粉末。它不溶于水及有机溶剂,但可溶于稀盐酸、稀硫酸、氯化铵溶液。溶于浓溶液形成无色配合物Cu(NH3)2+,其在空气中被氧化为蓝色的[Cu(NH3)4(H2O)2]2+。氧化亚铜在1800℃分解成,其在干燥空气中稳定,但在潮湿空气中被慢慢氧化为氧化铜

2Cu2O + O2 = 4CuO

氧化亚铜可溶于盐酸生成HCuCl2氯化亚铜的配合物),也可溶于硫酸硝酸分别形成硫酸铜硝酸铜

参见

参考

  1. N. N. Greenwood, A. Earnshaw, Chemistry of the Elements, 2nd ed., Butterworth-Heinemann, Oxford, UK, 1997.
  2. Handbook of Chemistry and Physics, 71st edition, CRC Press, Ann Arbor, Michigan, 1990.
  3. The Merck Index, 7th edition, Merck & Co, Rahway, New Jersey, USA, 1960.
  4. D. Nicholls, Complexes and First-Row Transition Elements, Macmillan Press, London, 1973.
  5. P.W. Baumeister: Optical Absorption of Cuprous Oxide, Phys. Rev. 121 (1961), 359.
  6. L. Brillouin: Wave Propagation and Group Velocity, Academic Press, New York, 1960.
  7. D. Fröhlich, A. Kulik, B. Uebbing, and A. Mysyrovicz: Coherent Propagation and Quantum Beats of Quadrupole Polaritons in Cu2O, Phys. Rev. Lett. 67 (1991), 2343.
  8. L. Hanke: Transformation von Licht in Wärme in Kristallen - Lineare Absorption in Cu2O, ISBN 3-8265-7269-6, Shaker, Aachen, 2000; (Transformation of light into heat in crystals - Linear absorption in Cu2O).
  9. L. Hanke, D. Fröhlich, A.L. Ivanov, P.B. Littlewood, and H. Stolz: LA-Phonoritons in Cu2O, Phys. Rev. Lett. 83 (1999), 4365.
  10. L. Hanke, D. Fröhlich, and H. Stolz: Direct observation of longitudinal acoustic phonon absorption to the 1S-exciton in Cu2O, Sol. Stat. Comm. 112 (1999), 455.
  11. J.J. Hopfield, Theory of the Contribution of Excitons to the Complex Dielectric Constant of Crystals, Phys. Rev. 112 (1958), 1555.
  12. J.P. Wolfe and A. Mysyrowicz: Excitonic Matter, Scientific American 250 (1984), No. 3, 98.

外部链接

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 CRC Handbook of Chemistry and Physics 97th Edition. 2016-06-24: 4–60. ISBN 1-4987-5428-7 (英语). 
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氧化亚铜
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