Standard Enthalpies of Formation for Solid Complexes of Chromium Chloride with L—α

摘要 ThesolidcomplexesofCr(AA)2Cl3·nH2OofCrCl3withL-α-aminoacids(AA=Val,Len,Thr,Met,Arg,Phe,TryandHis)havebeenpreparedin95?EtOHmedium,andcharacterizedstructurallybyelementalanalysis,chemicalanalysis,IRspectraandTG-DTG.Theconstant-volumecombustionenergiesofthecomplexeshavebeendetermimedbyRBC-Ⅱtyperotating-bombcalorimeter.Thestandardenthalpiesofformationofthecomplexeshavebeencalculatedaswell,hwichare(-2543.16±3.71)(Val),(-2561.32±4.06)(Leu),(-2284.02±2.95)(Thr),(-1418.77±4.60)(Met(,(-3218.91±4.67)(Arg),(-2643.90±5.02)(Phe),(-1707.18±3.23)(Try)and(-2838.05±3.45)(His)kJ/mol,respectively.

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Standard Enthalpies of Formation for Solid Complexes of Chromium Chloride with L—α—Amino Acids

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Standard Enthalpies of Formation for Solid Complexes of Chromium Chloride with L—α—Amino Acids

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