10.1371/journal.pone.0171501.g002 Stanislav S. Borysov Stanislav S. Borysov R. Matthias Geilhufe R. Matthias Geilhufe Alexander V. Balatsky Alexander V. Balatsky Histogram of number of atoms per unit cell for 37,941 organic compounds from four experimental organic chemistry journals contained within the COD database. Public Library of Science 2017 band structures data mining results density OMDB web interface Crystallography Open Database Organic materials database data mining techniques 2017-02-09 18:38:09 Figure https://plos.figshare.com/articles/figure/Histogram_of_number_of_atoms_per_unit_cell_for_37_941_organic_compounds_from_four_experimental_organic_chemistry_journals_contained_within_the_COD_database_/4637374 <p>Blue solid line denotes log-normal fit with a median value exp(<i>μ</i>) of 222.04 atoms and a standard deviation <i>σ</i> of 0.64 ln(atoms).</p>