Insights into the Structure of Halide-Rich Hydrochloric and Hydrobromic Acid: A Structural and Quantum-Chemical Investigation of the [H6X4O2]2- (X = Cl, Br) Anions

被引：1
|
作者：
Bertocco, Philipp [1 ]
Bolli, Christoph [1 ]
Correia Bicho, Bruno A. [1 ]
Jenne, Carsten [1 ]
Nierstenhoefer, Marc C. [1 ]
机构：
[1] Berg Univ Wuppertal, Fak Math & Nat Wissensch Anorgan Chem, Gaussstr 20, D-42119 Wuppertal, Germany
来源：
JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2020年 / 50卷 / 02期
关键词：
Dianions; Hydrochloric acid; Hydrogen bonding; Hydrogen dibromide; Crystal structure; Weakly coordinating cations; WEAKLY COORDINATING CATIONS; CRYSTAL-STRUCTURE; HYDROGEN-BOND; INFRARED-SPECTROSCOPY; IONS; SOLVATION; BRHBR; SALTS;
D O I：
10.1007/s10870-019-00773-w
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The previously unknown dianions [H6Cl4O2](2-) and [H6Br4O2](2-) were prepared as their bis(triphenyl-lambda(5)-phosphanylidene)ammonium ([Ph3PNPPh3](+)equivalent to[PNP](+)) salts from [PNP](+) halides and aqueous hydrochloric or hydrobromic acid, respectively. The crystal structures of the two salts [PNP](2)[H6Cl4O2] and [PNP](2)[H6Br4O2] are reported. The unprecedented dianions [H6Cl4O2](2-) and [H6Br4O2](2-), which represent a section of the structure of halide-rich hydrochloric or hydrobromic acid, are discussed. Quantum-chemical calculations support the findings. The crystal structure of [PNP][HBr2], a rare example for a crystallographically determined hydrogen dibromide structure, is presented as well. [GRAPHICS] .
引用
收藏
页码：69 / 76
页数：8
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