Isovalency rationalizes fundamental chemical properties of elements in the same group, but often fails to account for differences in the molecular structure due to the distinct atomic sizes and electron-pair repulsion of the isovalent atoms. With respect to main group V, saturated hydrides of nitrogen are limited to ammonia (NH3) and hydrazine (N2H4) along with ionic and/or metal-bound triazene...

This study permits to explore the interactions involved in Lewis acid (AlH3) and bases: CO; H2O; NH3; PH3; PC13; H2S; CN–; OH–; O2–2; F–; N(CH3)3; N2; N2H4; N2H2; C5H5N; C6H5-NH2. By means of DFT theory calculations with B3LYP functional using 6-31G(d,p) basis set order check effects both donor acceptor establishment different adducts we focused mainly on calculation energetic gap ∆EHOMO-LUMO, ...

We report a new and general approach that will be useful for adapting the method of electrocatalytic amplification (ECA) to biosensing applications. In ECA, individual collisions of catalytic nanoparticles with a noncatalytic electrode surface lead to bursts of current. In the work described here, the current arises from catalytic electrooxidation of N2H4 at the surface of platinum nanoparticle...

Tremendous efforts have been devoted to increasing the CO2 capture performance of porous materials, especially for low CO2 concentration environments. Here, we report that hydrazine can be used as a diamine short enough to functionalize the small-pore metal-organic framework [Mg2(dobdc)] (H4dobdc = 2,5-dihydroxyl-1,4-benzenedicarboxylic acid). By virtue of the ultrahigh concentration of free am...

Materials: All solutions were prepared using distilled water. Hydroxylamine (Aldrich, 98%), p-dimethylaminobenzaldehyde (Aldrich, 98%,) fumaric acid (Carlo Erba, 99.5%), succinic acid (Vetec, 99%), tris(hydroxymethyl)aminomethane (TRIS, Aldrich, 99%), N,O-Bis(trimethylsilyl)trifluoroacetamide (Aldrich, >99%) and D2O (Cambridge Isotope Laboratories, 99.9%) were used as supplied. The triester die...

If the reduction of CO could be achieved photochemically it would represent a rather new type of artificial photosynthesis since in distinction to H2 as a result of photochemical water splitting, methanol is well suited for storage and transportation. As an energy-rich liquid it offers many benefits [1]. Metal carbonyl complexes should be attractive candidates for this purpose. Unfortunately, m...

Under the pressure of a fossil fuels shortage and global climate change, solar ammonia synthesis and the need to develop N2 fixation under mild conditions is becoming more urgent need; however, their intrinsic mechanisms still remain unclear. Herein, we demonstrate that the kinetic inertia of N2 can be overcome using oxygen vacancies (OVs) of BiOCl as the catalytic centers to create lower energ...

Calcium borohydride hydrazinates, Ca(BH4)2-nN2H4 (n 1⁄4 4/3, 1, 2, 3) have been synthesized successfully. In particular, Ca(BH4)2 2N2H4 crystallizes in a monoclinic space group of C2/m with the lattice parameters of a 1⁄4 10.1385 Å, b 1⁄4 8.6342 Å, c 1⁄4 4.6384 Å, b 1⁄4 106.467 . It can release 5.9 equiv. gas/Ca(BH4)2 (approximately 8.8 wt. % H2) at 240 C. Ca(BH4)2-N2H4 and Ca(BH4)2-4/3N2H4, on...

In most studies describing the preparation of Cu2O crystals of various morphologies, the particle sizes are normally hundreds of nanometers to micrometers due to rapid particle growth, so they are not exactly nanocrystals. Here we report surfactant-free formation of sub-100 nm Cu2O nanocrystals with systematic shape evolution from cubic to octahedral structures by preparing an aqueous mixture o...

of the p-N2 of 2 is observed, an indication that the terminal dinitrogen ligands are playing roles beyond that of mere spectators in the reaction of 1 with HC1. The data require a reaction sequence mediated by a symmetric species in which one terminal N2 and the p-N2 have become e q ~ i v a l e n t. ~ While a number of mechanisms satisfying this requirement could be formulated, we favor one inv...