Ca12InC13-x and Ba12InC18H4: Alkaline-Earth Indium Allenylides Synthesized in AE/Li Flux (AE = Ca, Ba)

被引：7

作者：

Blankenship, Trevor V. ^{[1
]}

Dickman, Matthew J. ^{[1
]}

van de Burgt, Lambertus J. ^{[1
]}

Latturner, Susan E. ^{[1
]}

机构：

[1] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA

来源：

INORGANIC CHEMISTRY | 2015年 / 54卷 / 03期

基金：

美国国家科学基金会;

关键词：

CRYSTAL-STRUCTURE; CARBIDES; BINARY; PHASES; STABILIZATION; HYDRIDE; CLUSTER; SC3C4;

D O I：

10.1021/ic502315m

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two new complex main-group metal carbides were synthesized from reactions of indium, carbon, and a metal hydride in metal flux mixtures of an alkaline earth (AE = Ca, Ba) and lithium. Ca12InC13-x and Ba12InC18H4 both crystallize in cubic space group Im (3) over bar [a = 9.6055(8) and 11.1447(7) angstrom, respectively]. Their related structures are both built on a body-centered-cubic array of icosahedral clusters comprised of an indium atom and 12 surrounding alkaline-earth cations; these clusters are connected by bridging monatomic anions (either H- or C4-) and allenylide anions, C-3(4-). The allenylide anions were characterized by Raman spectroscopy and hydrolysis studies. Density of states and crystal orbital Hamilton population calculations confirm that both compounds are metallic.

引用

页码：914 / 921

页数：8

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