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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >First characterization of an extended ammonium-ammonia complex (1)(infinity)[{NH4(NH3)(4)}(+)(mu-NH3)(2)] in the crystal structure of [NH4(NH3)(4)][Co(C2B9H11)(2)]center dot 2NH(3)
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First characterization of an extended ammonium-ammonia complex (1)(infinity)[{NH4(NH3)(4)}(+)(mu-NH3)(2)] in the crystal structure of [NH4(NH3)(4)][Co(C2B9H11)(2)]center dot 2NH(3)

机译:[NH4(NH3)(4)的晶体结构中扩展的铵-氨络合物(1)(无穷大)[{NH4(NH3)(4)}(+)(mu-NH3)(2)]的首次表征] [Co(C2B9H11)(2)]中心点2NH(3)

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摘要

The compound [NH4(NH3)(4)][Co(C2B9H11)(2)] (.) 2 NH3 (1) was prepared by the reaction of Na[Co(C2B9H11)(2)] with a proton-charged ion-exchange resin in liquid ammonia. The ammoniate 1 was characterized by low temperature single-crystal X-ray structure analysis. The anionic part of the structure consists of [Co(C2B9H11)(2)](-) complexes, which are connected via C-(HH)-H-...-B dihydrogen bonds. Furthermore, 1 contains an infinite (1)(x)[{NH4(NH3)(4)}(+)(mu-NH3)(2)] cationic chain, which is formed by [NH4(NH3)(4)](+) ions linked by two ammonia molecules. The N-(HN)-N-... hydrogen bonds range from 1.92 to 2.71 Angstrom (DHA = Donor(...)Acceptor angles: 136-176degrees). Additional N-(HH)-H-...-B di-hydrogen bonds are observed ((HH)-H-...: 2.3-2.4 Angstrom).
机译:化合物[NH4(NH3)(4)] [Co(C2B9H11)(2)](。)2 NH3(1)是通过Na [Co(C2B9H11)(2)]与质子带电离子反应制得的在液氨中交换树脂。通过低温单晶X射线结构分析来表征氨化物1。结构的阴离子部分由[Co(C2B9H11)(2)](-)配合物组成,它们通过C-(HH)-H -...- B二氢键连接。此外,1包含由[NH4(NH3)(4)]形成的无限(1)(x)[{NH4(NH3)(4)}(+)(mu-NH3)(2)]阳离子链(+)离子由两个氨分子连接。 N-(HN)-N -...氢键的范围为1.92至2.71埃(DHA =施主(...)受体角:136-176度)。观察到另外的N-(HH)-H -...- B二氢键((HH)-H -...:2.3-2.4埃)。

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