二碘化钕是一种钕的碘化物,化学式 NdI2。
Quick Facts 二碘化钕, 识别 ...
Close
二碘化钕可以由三碘化钕在真空, 800 至900 °C 的温度下被金属钕还原而成。[1]
![{\displaystyle \mathrm {Nd+2\ NdI_{3}\longrightarrow 3\ NdI_{2}} }](//wikimedia.org/api/rest_v1/media/math/render/svg/10d8f9e5961377a7f7de01bd27316462246d0483)
它也可以由钕和二碘化汞反应而成。[1]
![{\displaystyle \mathrm {Nd+HgI_{2}\longrightarrow NdI_{2}+Hg} }](//wikimedia.org/api/rest_v1/media/math/render/svg/1d3ef8008a0a1818b9db2a5c3aaf8b9305c9453a)
它也可以由钕和碘直接反应而成。[3]
![{\displaystyle \mathrm {Nd+I_{2}\longrightarrow NdI_{2}} }](//wikimedia.org/api/rest_v1/media/math/render/svg/28f0e5788e361d7198c8785ae6964ee3fee3547e)
这种化合物是于 1961年由 John D. Corbett 首次合成的。[4]
二碘化钕是一种深紫黑色固体,极易潮解。它的晶体结构为溴化锶结构。[1]在高压下,它会变成二硅化钼结构,在常态下的其它镧系元素二碘化物中(例如二碘化镧)中存在。[5]它和四氢呋喃或其它有机化合物反应,形成配合物。[6][7][8]
二碘化钕可以还原热的氮气,形成氮碘化物 (NdI2)3N,后者和THF反应生成 (NdI)3N2。[9]
二碘化钕是一种还原剂,也是有机化学[10]的催化剂[11]。
Gschneidner, Karl. Handbook on the physics and chemistry of rare earths. Amsterdam Boston: North Holland/Elsevier. 2010: 247. ISBN 0-08-093257-6. OCLC 664572103.
Jungmann, Angelika; Claessen, R.; Zimmermann, R.; Meng, Ge; Steiner, P.; Hüfner, S.; Tratzky, S.; Stöwe, K.; Beck, H. P. Photoemission of LaI2 and CeI2. Zeitschrift für Physik B Condensed Matter (Springer Science and Business Media LLC). 1995, 97 (1): 25–34. ISSN 0722-3277. doi:10.1007/bf01317584.
Khoroshen'kov, G. V.; Fagin, A. A.; Bochkarev, M. N.; Dechert, S.; Schumann, H. Russian Chemical Bulletin (Springer Science and Business Media LLC). 2003, 52 (8): 1715–1719. ISSN 1066-5285. doi:10.1023/a:1026132017155.
Fagin, Anatolii A.; Balashova, Tatyana V.; Kusyaev, Dmitrii M.; Kulikova, Tatyana I.; Glukhova, Tatyana A.; Makarenko, Natalya P.; Kurskii, Yurii A.; Evans, William J.; Bochkarev, Mikhail N. Reactions of neodymium(II) iodide with organohalides. Polyhedron (Elsevier BV). 2006, 25 (5): 1105–1110. ISSN 0277-5387. doi:10.1016/j.poly.2005.08.050.
Fagin, A. A.; Salmova, S. V.; Bochkarev, M. N. Reduction of nitrogen with neodymium(II) and dysprosium(II) diiodides and selected properties of the resulting nitrides. Russian Chemical Bulletin. January 2009, 58 (1): 230–233. doi:10.1007/s11172-009-0034-2.
Gschneidner, Karl. Handbook on the physics and chemistry of rare earths. Amsterdam Boston: North Holland/Elsevier. 2010: 261. ISBN 0-08-093257-6. OCLC 664572103.