Novel Hg(II) and Pd(II) benzotriazole (Hbta) complexes: Synthesis, characterization, X-ray crystal structure of [Pd(PPh3)(μ-bta)Cl]2•DMSO and thermodynamic study of their H2 storage

被引：26
|
作者：
Al-Jibori, Subhi A. [1 ]
Al-Doori, Luma A. [2 ]
Al-Janabi, Ahmed S. M. [3 ]
Alheety, Mustafa A. [4 ]
Akbas, Huseyin [5 ]
Karadag, Ahmet [6 ]
机构：
[1] Tikrit Univ, Coll Sci, Dept Chem, Tikrit, Iraq
[2] Tikrit Univ, Coll Educ Pure Sci, Dept Chem, Tikrit, Iraq
[3] Tikrit Univ, Coll Vet Med, Dept Biochem, Tikrit, Iraq
[4] Al Hadi Univ Coll, Dept Nursing, Baghdad, Iraq
[5] Tokat Gaziosmanpasa Univ, Coll Sci, Dept Chem, Tokat, Turkey
[6] Yozgat Bozok Univ, Fac Arts & Sci, Dept Chem, TR-66200 Yozgat, Turkey
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2020年 / 1207卷
关键词：
Benzotriazole; Hg(II); Pd(II); Phosphine; Complexes; H-2; storage; HYDROGEN STORAGE; CAPACITIES;
D O I：
10.1016/j.molstruc.2020.127832
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Benzotriazole (Hbta) complexes with Hg(II) and Pd(II) of the types: [Hg(bta)2] (1), [Hg(bta)(2)(diphos)]; diphos = dppe (2), dppp (3) or dppb (4), [Hg(bta)(2)(PPh3)(2)] (5), [Pd(Hbta)(2)Cl-2] (6), [Pd(bta)Cl](2) (7) and [PdCl(bta)(PPh3)](2)center dot DMSO (8) were prepared and characterized by elemental analyses, conductivity measurements, infrared, H-1- and P-31-{H-1} NMR spectra. [Pd(PPh3)(mu-bta)Cl](2)center dot DMSO (8) was structurally characterized by single-crystal X-ray diffraction. Structural information exposed that benzotriazole acts as a bidentate bridging ligand bonded through the deprotonated nitrogen and the neutral nitrogen atoms. The hydrogen storage ability of complexes (1-4) was studied after detecting their BET surface area. The results show that complex (1) is able to store 3.35 wt% physically at 77 K under 120 bar. (C) 2020 Elsevier B.V. All rights reserved.
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页数：8
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