file size: 309 KB, MIME type: image/png) [ edit ] Summary Description Ball-and-stick model of the ions in tetrakis(acetonitrile)copper(I) hexafluorophosphate , consisting of a Tetrakis(acetonitrile)copper(I) complex cation (left) and a hexafluorophosphate anion (right). Colour code (click to show)     Black: Carbon, C   White: Hydrogen, H   Blue: Nitrogen, N