H-N-Ni-O, Phase transitions, Pnictogen

• Cl-H-N-Ni-O
• C-H-N-Ni-O
• H-N-Ni-O-S
• H-N-Ni-O-P
• fusion
• temperature for congruent melting
• phase diagram
• structural transitions
• transitional
• chalcogen
• pnictogen
• hydrate
• orthorhombic
• monoclinic
• triclinic
• cubic
• trigonal