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Type: Artigo de periódico
Title: Estimating the value of lattice enthalpy (Delta H-M(m)o) for adducts by using modified forms of Kapustinskii equation
Author: de Farias, RF
Abstract: In this work are presented two modified terms of Kapustinskii equation that could be used to estimate the values of the lattice enthalphies for adducts: Delta(M)H(m)(0)=(-n.z(+).z(-).10(2)/D).(1-d*/D).K and Delta(M)H(m)(0)=(-n.z(+).z(-).10(2)/d).(1-d*/d) Two new parameters related with steric effects and donor power of the ligands, theta and delta are introduced, The proposed equations were tested for 49 adducts (mainly from the zinc group halides). The difference between experimental (calorimetric) and calculated values (using the proposed equations) values are less than 5% for 41 of the tested adducts.
Subject: Kapustinskii equation
lattice enthalpy
Country: Brasil
Editor: Soc Brasileira Quimica
Citation: Quimica Nova. Soc Brasileira Quimica, v. 22, n. 2, n. 165, n. 168, 1999.
Rights: aberto
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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