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