The reductive coupling of dinitrogen

被引：215

作者：

Legare, Marc-Andre ^{[1
,2
]}

Rang, Maximilian ^{[1
,2
]}

Belanger-Chabot, Guillaume ^{[1
,2
]}

Schweizer, Julia I. ^{[3
]}

Krummenacher, Ivo ^{[1
,2
]}

Bertermann, Rudiger ^{[1
,2
]}

Arrowsmith, Merle ^{[1
,2
]}

Holthausen, Max C. ^{[3
]}

Braunschweig, Holger ^{[1
,2
]}

机构：

[1] Julius Maximilians Univ Wurzburg, Inst Inorgan Chem, D-97074 Wurzburg, Germany

[2] Julius Maximilians Univ Wurzburg, Inst Sustainable Chem & Catalysis Boron, D-97074 Wurzburg, Germany

[3] Goethe Univ, Inst Inorgan & Analyt Chem, Max von Laue Str 7, D-60438 Frankfurt, Germany

来源：

SCIENCE | 2019年 / 363卷 / 6433期

基金：

加拿大自然科学与工程研究理事会;

关键词：

STATE PERTURBATION-THEORY; GAUSSIAN-BASIS SETS; DIRADICAL CHARACTER; CRYSTAL-STRUCTURE; HIGH-PRESSURE; HARTREE-FOCK; NITROGEN; CHEMISTRY; DENSITY; ENERGY;

D O I：

10.1126/science.aav9593

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The coupling of two or more molecules of dinitrogen (N-2) occurs naturally under the radiative conditions present in the ionosphere and may be achieved synthetically under ultrahigh pressure or plasma conditions. However, the comparatively low N-N single-bond enthalpy generally renders the catenation of the strongly triple-bonded N-2 diatomic unfavorable and the decomposition of nitrogen chains a common reaction motif. Here, we report the surprising organoboron-mediated catenation of two N-2 molecules under near-ambient conditions to form a complex in which a [N-4](2-) chain bridges two boron centers. The reaction entails reductive coupling of two hypovalent-boron-bound N-2 units in a single step. Both this complex and a derivative protonated at both ends of the chain were characterized crystallographically.

引用

页码：1329 / +

页数：78

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