Cell and atoms, Debye or einstein temperature, Pentagonal pyramid 6-vertex

• C-H-N-O
• B-H
• Ni-P
• B
• B-H-O-Rb
• chalcogen
• non-disordered
• transitional
• metalloid
• monoclinic
• orthorhombic
• triclinic
• tetragonal
• trigonal