Geometri Molekul

Konsep Dasar

 

Rumus Molekul

 

\(\ce{BeCl2}\)

\(\ce{_{4} Be: 2 \quad 2}\)

\(\ce{_{17} Cl: 2 \quad 8 \quad 7}\)

Rumus Lewis

 

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AX2

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}Be(-[:0]@{2}Cl)(-[:180]@{3}Cl)} \arclabel{0.5cm}{2}{1}{3}{\footnotesize \SI{180}{\degree}} \end{document}

Linier

Rumus Molekul

 

\(\ce{BF3}\)

\(\ce{_{5} Be: 2 \quad 3}\)

\(\ce{_{9} F: 2 \quad 7}\)

Rumus Lewis

 

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AX3

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}B(-[:90]@{2}F)(-[:210]@{3}F)(-[:330]@{4}F)} \arclabel{0.5cm}{3}{1}{4}{\footnotesize \SI{120}{\degree}} \end{document}

Segitiga datar

Rumus Molekul

 

\(\ce{CH4}\)

\(\ce{_{6} C: 2 \quad 4}\)

\(\ce{_{1} H: 1}\)

Rumus Lewis

 

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AX4

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}C(-[:90]@{2}H)(-[:199.5]@{3}H)(<[:300]@{4}H)(<:[:350]@{5}H)} \arclabel{0.5cm}{3}{1}{2}{\footnotesize \SI{109.5}{\degree}} \end{document}

Tetrahedral

Rumus Molekul

 

\(\ce{PCl3}\)

\(\ce{_{15} P: 2 \quad 8 \quad 5}\)

\(\ce{_{17} Cl: 2 \quad 8 \quad 7}\)

Rumus Lewis

 

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AX3E1

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}P(-[:199.5]@{3}Cl)(<[:300]@{4}Cl)(<:[:350]@{5}Cl)} \arclabel{0.5cm}{3}{1}{4}{\footnotesize \SI{100}{\degree}} \end{document}

piramida segitiga

Rumus Molekul

 

\(\ce{H2O}\)

\(\ce{_{8} O: 2 \quad 6}\)

\(\ce{_{1} H: 1}\)

Rumus Lewis

 

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AX2E2

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}O(-[:90]@{2}H)(-[:199.5]@{3}H)} \arclabel{0.5cm}{3}{1}{2}{\footnotesize \SI{104.5}{\degree}} \end{document}

Bentuk V (menyudut)

Rumus Molekul

 

\(\ce{PCl5}\)

\(\ce{_{15} P: 2 \quad 8 \quad 5}\)

\(\ce{_{17} Cl: 2 \quad 8 \quad 7}\)

Rumus Lewis

 

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AX5

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}P(-[:0]@{2}Cl)(-[:150]@{3}Cl)(-[:210]@{4}Cl)(-[:90]@{5}Cl)(-[:270]@{6}Cl)} \arclabel{0.5cm}{3}{1}{4}{\footnotesize \SI{120}{\degree}} \end{document}

Bipiramida segitiga

Rumus Molekul

 

\(\ce{SCl4}\)

\(\ce{_{16} S: 2 \quad 8 \quad 6}\)

\(\ce{_{17} F: 2 \quad 8 \quad 7}\)

Rumus Lewis

 

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AX4E1

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}S(-[:150]@{3}Cl)(-[:210]@{4}Cl)(-[:90]@{5}Cl)(-[:270]@{6}Cl)} \arclabel{0.5cm}{3}{1}{4}{\footnotesize \SI{120}{\degree}} \end{document}

Jungkat jungkit (see saw) 

Rumus Molekul

 

\(\ce{IF3}\)

\(\ce{_{53} I: 2 \quad 8 \quad 18 \quad 18 \quad 7}\)

\(\ce{_{9} F: 2 \quad 7}\)

Rumus Lewis

 

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AX3E2

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}I(-[2]@{2}F)(-[6]@{3}F)-@{4}F} \arclabel{0.5cm}{2}{1}{4}{\footnotesize \SI{90}{\degree}} \end{document}

Bentuk T

Rumus Molekul

 

\(\ce{XeF2}\)

\(\ce{_{54} Xe: 2 \quad 8 \quad 18 \quad 18 \quad 8}\)

\(\ce{_{9} F: 2 \quad 7}\)

Rumus Lewis

 

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AX2E3

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}Xe(-[2]@{2}F)(-[6]@{3}F)} \arclabel{0.5cm}{2}{1}{3}{\footnotesize \SI{180}{\degree}} \end{document}

Linier

Rumus Molekul

 

\(\ce{SF6}\)

\(\ce{_{16} S: 2 \quad 8 \quad 6}\)

\(\ce{_{9} F: 2 \quad 7}\)

Rumus Lewis

 

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AX6

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}S(-[:30]@{2}F)(-[:150]@{3}F)(-[:210]@{4}F)(-[:330]@{5}F)(-[:90]@{6}F)(-[:270]@{7}F)} \arclabel{0.5cm}{3}{1}{4}{\footnotesize \SI{90}{\degree}} \end{document}

Oktahedral

Rumus Molekul

 

\(\ce{XeF4}\)

\(\ce{_{54} Xe: 2 \quad 8 \quad 18 \quad 18 \quad 8}\)

\(\ce{_{9} F: 2 \quad 7}\)

Rumus Lewis

 

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AX4E2

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}Xe(-[:30]@{2}F)(-[:150]@{3}F)(-[:210]@{5}F)(-[:330]@{7}F)} \arclabel{0.5cm}{2}{1}{3}{\footnotesize \SI{90}{\degree}} \end{document}

Segiempat datar

Rumus Molekul

 

\(\ce{XeF6}\)

\(\ce{_{54} Xe: 2 \quad 8 \quad 18 \quad 18 \quad 8}\)

\(\ce{_{9} F: 2 \quad 7}\)

Rumus Lewis

 

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AX6E1

Rumus Struktur

 

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Geometri Molekul

 

  \begin{document} \chemfig{@{1}Xe(-[:30]@{2}F)(-[:150]@{3}F)(-[:210]@{4}F)(-[:330]@{5}F)(-[:90]@{6}F)(-[:270]@{7}F)} \end{document}

Oktahedral terdistorsi (menyimpang)

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Geometri Molekul