Chalcogen, Monocapped trigonal prism 7-vertex, Monoclinic, Temperature for congruent melting

• C-H-N-O
• Ca-H-O-Si
• H-K-O-P
• B-Ca-H-O
• C-H-Mn-Mo-N-O
• chalcogen
• non-disordered
• transitional
• oxide