Adjective
English Wikipedia has an article on:hexacoordinateWikipedia
hexacoordinate (not comparable)
(chemistry) Having six ligands
The ionic radius of hexacoordinate heptavalent bohrium is expected to be 58 pm (heptavalent manganese, technetium, and rhenium having values of 46, 57, and 53 pm respectively). Source: Internet
Werner was able to discover the spatial arrangements of the ligands that were involved in the formation of the complex hexacoordinate cobalt. Source: Internet