All 3-vertex, C, Trigonal

• C-Ca-O
• C-Fe-Sm
• C-Ca-Mg-O
• C-Ta
• C-Fe-Ga-Sm
• thermal and thermodynamic properties
• structural properties
• magnetic properties
• electronic and electrical properties
• mechanical properties
• transitional
• non-disordered
• chalcogen
• disordered