We do need the anglekij test(or an alternative) for FCC.  First nearest neighbors forming angles of 180 degrees with atom i are screening one another completely despite the negative C test.
We do need the anglekij test(or an alternative) for FCC.  First nearest neighbors forming angles of 180 degrees with atom i are screening one another completely despite the negative C test.

ajschult/etomica,etomica/etomica,etomica/etomica,ajschult/etomica,etomica/etomica,ajschult/etomica