Enthalpy or energy, Sulfate, Trigonal

• Fe-H-O-S
• Fe-H-K-Na-O-S
• O-S-Tl
• Al-H-N-O-S
• Al-Ca-H-O-S
• enthalpy of formation
• Gibbs energy change
• chalcogen
• sulfate
• transitional
• non-disordered