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Standard Molar Enthalpies of Formation of Mg and Ca Alkoxides
Author(s) -
Barreira Teresa,
Leal João Paulo
Publication year - 2000
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/(sici)1099-0682(200005)2000:5<987::aid-ejic987>3.0.co;2-s
Subject(s) - chemistry , standard enthalpy of formation , calorimetry , standard enthalpy change of formation , molar , molar ratio , thermochemistry , enthalpy , medicinal chemistry , nuclear chemistry , inorganic chemistry , organic chemistry , catalysis , thermodynamics , medicine , physics , dentistry
The enthalpies of formation of some alkaline‐earth alkoxides were determined by reaction‐solution calorimetry (Δ f H o [Mg(OMe) 2 ] = –792.6±1.2 kJ/mol; Δ f H o [Mg(OEt) 2 ] = –847.9±2.7 kJ/mol; Δ f H o [Ca(OMe) 2 ] = –890.8±6.4 kJ/mol; Δ f H o [Ca(OEt) 2 ] = –924.5±2.6 kJ/mol; Δ f H o [Ca(OBu) 2 ] =–989.8±5.4 kJ/mol) and allowed us to extend a previously developed model for predicting the enthalpies of formation of Be, Sr and Ba alkoxides.