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Ligações químicas - aula 2

Ligações químicas - aula 2

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Valores da constante de Madelung para<br />

diferentes compostos iônicos<br />

Estrutura<br />

Cloreto de sódio<br />

Cloreto de césio<br />

Blenda de zinco (ZnS)<br />

Wurtzita (ZnS)<br />

Fluorita (CaF 2 )<br />

Constante de<br />

Madelung<br />

1,74756<br />

1,76267<br />

1,63806<br />

1,64132<br />

5,03878<br />

Estrutura<br />

Rutilo (TiO 2 )<br />

Anatasio(TiO 2 )<br />

Iodeto de<br />

cadmio<br />

β-quartzo (SiO 2 )<br />

Corundum<br />

Constante de<br />

Madelung<br />

4,816<br />

4,800<br />

4,71<br />

4,402<br />

24,242

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