Online Pattern Search Tools for Organic Materials Database*

We present two newly developed online search tools for electronic structure calculations contained within the Organic Materials Database (OMDB) [http://omdb.diracmaterials.org]. The tools allow for automatic online analysis of a large collection of electronic structures where the amount of data makes its manual inspection impracticable. The first tool is capable of finding user-specified graphical patterns in the collection of thousands of band structures, which can be used to find realizations of functional materials characterized by a specific pattern in their electronic structure, for example, Dirac materials, characterized by a linear crossing of bands or topological insulators, characterized by a "Mexican hat" pattern. The second tool is designed to retrieve materials with similar density of states to a reference material. Using this tool we present search results for novel organic high-Tc superconductors. As a reference material, we use p-terphenyl, which was recently reported to exhibit transition temperatures in the order of 120 K.