Advantageously, {HEAD ~ the tetracopper} tetroxide contains two copper ions, {TAIL ~ two copper ions}, and four oxygen atoms in a crystal lattice 
contains
Advantageously , { HEAD ~ the tetracopper } tetroxide contains two copper ions , { TAIL ~ two copper ions } , and four oxygen atoms in a crystal lattice
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH