Dinitrogen complexation and reduction at low-valent calcium

被引：164

作者：

Roesch, B. ^{[1
]}

Gentner, T. X. ^{[1
]}

Langer, J. ^{[1
]}

Faerber, C. ^{[1
]}

Eyselein, J. ^{[1
]}

Zhao, L. ^{[2
]}

Ding, C. ^{[2
]}

Frenking, G. ^{[2
,3
]}

Harder, S. ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Inorgan Chem, D-91058 Erlangen, Germany

[2] Nanjing Tech Univ, Sch Chem & Mol Engn, Inst Adv Synth, Nanjing 211816, Peoples R China

[3] Philipps Univ Marburg, Fachbereich Chem, D-35043 Marburg, Germany

来源：

SCIENCE | 2021年 / 371卷 / 6534期

基金：

中国国家自然科学基金;

关键词：

MAGNESIUM(I) COMPOUNDS; BASIS-SETS; ENERGY; BOND; APPROXIMATION; ACTIVATION; NITROGEN; SR;

D O I：

10.1126/science.abf2374

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：

Here we report that attempted preparation of low-valent Ca-I complexes in the form of LCa-CaL (where L is a bulky beta-diketiminate ligand) under dinitrogen (N-2) atmosphere led to isolation of LCa(N-2)CaL, which was characterized crystallographically. The N-2(2-) anion in this complex reacted in most cases as a very potent two-electron donor. Therefore, LCa(N-2)CaL acts as a synthon for the low-valent Ca-I complex LCa-CaL, which was the target of our studies. The N-2(2-) anion could also be protonated to diazene ( N2H2) that disproportionated to hydrazine and N-2. The role of Ca d orbitals for N-2 activation is discussed.

引用

页码：1125 / +

页数：157

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