Аннотация:With this mini review we would like to revisit one of the most exciting structure types among the inorganic quaternary compounds, ZrSiCuAs, which has also been known as LaOAgS or simply “1111”, with a goal of highlighting the latest progress in the chemistry of the relevant compounds. The last dedicated review dealing specifically with these compounds was published back in 2008, and in the past fifteen years there have been many new developments in the field. The compounds of the “1111” type are built from alternating litharge and mackinawite slabs, thus forming a layered arrangement where different layers are considred responsible for different and potentially exciting physical properties, which makes them not only interesting but also important objects for an in-depth investigation as prospective functional materials. Unfortunately, these compounds represent rather challenging objects to study or even to synthesize, which might take a lot of efforts. In this respect, it is of particular importance to have a working screening tool for the selection of potential candidates. In this light, we would make a particular emphasis on design and theoretical predictions of new compounds of this type using a combination of crystallochemical and quantum chemical considerations.Special part of this review is dedicated to predicting new hydrides, which reflects newly discovered interest in hydride chemistry and hydride applications.
