نتایج جستجو برای: tetrazolate salts
تعداد نتایج: 27832 فیلتر نتایج به سال:
The first examples of anionic Ir(iii) bis-tetrazolate complexes and their combination with a cationic Ir(iii)tetrazole derivative forming "fully tetrazolate" Ir(iii) based soft salts as O2-sensitive white emitters are described herein.
Energetic ionic salts of azotetrazolate (AT), iminobis(5-tetrazolate) (IBT) and 5, 5'-bis(tetrazole) (BT) were synthesized; 1-methyl-4-aminotriazolium azotetrazolate has a layered structure and exhibits a heat of formation of +4360 kJ kg(-1).
Treatments of tetrazolate salts prepared in situ from various aldehyde; malononitrile and sodium azide in the presence of NiO nanoparticles with benzyl bromide gave the corresponding 1,5- and 2,5-disubstituted tetrazoles. Reaction of tetrazolate salts with 2,4′-dibromoacetophenone in the presence of NiO nanoparticles provided the corresponding 2,5-disubstituted derivatives as an only isomer. T...
The dinuclear nickel(II) complex [Ni2LmClO4] + , where Lm represents a 24-membered macrocyclic hexaaza-dithiophenolate ligand, reacts with 5-(4-pyridyl)tetrazole (PyrCN4H) to give the [Ni2Lm(PyrCN4)]+ . new was both isolated as perchlorate or tetraphenylborate salts and characterised by elemental analysis IR spectroscopy. structure of [Ni2Lm(PyrCN4)]BPh4 ⋅ MeCN determined single crystal X-ray d...
The solvothermal in situ double cycloaddition reaction of 2-cyanopyrimidine, Cu(2)O and NaN(3) with aqueous ammonia additive generated a two dimensional copper(I) coordination polymer with 5-pyrimidyl-tetrazolate, 3,5-bispyrimidyl-1,2,4-triazolate and the cyano group as the ligands. This reaction can be tuned to yield two dimensional coordination polymers solely based on tetrazolate or 1,2,4-tr...
Two rht-type metal-organic frameworks (MOFs) based upon the tetrazolate moiety and pyrazolate moiety, respectively, have been investigated for carbon dioxide (CO2) adsorption and selective adsorption of CO2 over CH4, which shows that the rht-MOF featuring the pyrazolate moiety demonstrates superior performances compared to the rht-MOF based on the tetrazolate moiety. In spite of more exposed ni...
A family of energetic salts based on the novel 5-(5-nitrotetrazole-2-ylmethyl)-tetrazolate anion (NTTz(-)) with alkali metals (Li(+), Na(+), K(+), Rb(+) and Cs(+)) were synthesized by the reaction of the free acid 5-(5-nitrotetrazole-2-ylmethyl)-tetrazole with a suitable alkali metal base (bicarbonate or carbonate) in alcohol or water. The sodium salt () was, in turn, used to form salts contain...
A three dimensional -NH(2) functionalized Zeolitic Tetrazolate Framework (ZTF-1) has been reported. The framework adopts a dia topology (M-L-M angle is close to 156°). ZTF-1 shows high CO(2) (273 K) and H(2) (77 K) uptake due to the presence of the free -NH(2) group and uncoordinated tetrazolate nitrogen.
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