Valence shell electron pair repulsion

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15 Terms

1
New cards

EDA: 2 (BA:2, LP:0)

Linear (eg & mg)

sp

180

non polar

<p>Linear (eg &amp; mg)</p><p>sp</p><p>180</p><p>non polar</p>
2
New cards

EDA: 3 (BA:3, LP:0)

Trigonal Planar (eg & mg)

sp2

120

nonpolar

<p>Trigonal Planar (eg &amp; mg)</p><p>sp2</p><p>120</p><p>nonpolar</p>
3
New cards

EDA: 2 (BA:2, LP:1)

Trigonal Planar (Bent)

sp2

<120

polar

<p>Trigonal Planar (Bent)</p><p>sp2</p><p>&lt;120</p><p>polar</p>
4
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EDA: 4 (BA:4, LP:0)

Tetrahedral (eg & mg)

sp3

109.5

nonpolar

<p>Tetrahedral (eg &amp; mg)</p><p>sp3</p><p>109.5</p><p>nonpolar</p>
5
New cards

EDA: 4 (BA:3, LP:1)

Tetrahedral (Trigonal Pyramidal)

sp3

<109.5

polar

<p>Tetrahedral (Trigonal Pyramidal)</p><p>sp3</p><p>&lt;109.5</p><p>polar</p>
6
New cards

EDA: 4 (BA:2, LP:2)

Tetrahedral (Bent)

sp3

<109.5

polar

<p>Tetrahedral (Bent)</p><p>sp3</p><p>&lt;109.5</p><p>polar</p>
7
New cards

EDA: 5 (BA:5, LP:0)

Trigonal Bipyramidal (eg & mg)

sp3d or dsp3

90 & 120

nonpolar

<p>Trigonal Bipyramidal (eg &amp; mg)</p><p>sp3d or dsp3</p><p>90 &amp; 120</p><p>nonpolar</p>
8
New cards

EDA: 5 (BA:4, LP:1)

Trigonal Bipyramidal (see-saw)

sp3d or dsp3

<90 & <120

polar

<p>Trigonal Bipyramidal (see-saw)</p><p>sp3d or dsp3</p><p>&lt;90 &amp; &lt;120</p><p>polar</p>
9
New cards

EDA: 5 (BA:3, LP:2)

Trigonal Bipyramidal (T-shaped)

sp3d or dsp3

<90

polar

<p>Trigonal Bipyramidal (T-shaped)</p><p>sp3d or dsp3</p><p>&lt;90</p><p>polar</p>
10
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EDA: 5 (BA:2, LP:3)

Trigonal Bipyramidal (Linear)

sp3d or dsp3

180

nonpolar

<p>Trigonal Bipyramidal (Linear)</p><p>sp3d or dsp3</p><p>180</p><p>nonpolar</p>
11
New cards

EDA: 6 (BA:6, LP:0)

Octahedral

sp3d2 or d2sp3

90

nonpolar

<p>Octahedral </p><p>sp3d2 or d2sp3</p><p>90 </p><p>nonpolar </p>
12
New cards

EDA: 6 (BA:5, LP:1)

Octahedral (square pyramidal)

sp3d2 or d2sp3

<90

polar

<p>Octahedral (square pyramidal)</p><p>sp3d2 or d2sp3</p><p>&lt;90</p><p>polar</p>
13
New cards

EDA: 6 (BA:4, LP:2)

Octahedral (square planar)

sp3d2 or d2sp3

90

nonpolar

<p>Octahedral (square planar)</p><p>sp3d2 or d2sp3</p><p>90</p><p>nonpolar </p>
14
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what determines a structure’s polarity

if central atom has lone pairs

lone pairs: polar

no lone pairs: nonpolar

Exceptions: Trigonal Bipyramidal bent + octahedral square planar

15
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when are electron geometry and molecular geometry the same

When they are no lone pairs