Alkali, Chalcogen, Non-disordered, Fusion, Triclinic

• C-H-N-Na-O
• H-Na-O-P
• C-H-K-N-O
• C-K-N-O
• H-K-O-P
• temperature for congruent melting
• non-disordered
• alkali
• chalcogen
• transitional