VSEPR Theory

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13 Terms

1
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linear/linear

180°

AX₂

(2 bonds, 0 lone electron pairs)

symmetrical

nonpolar

SP

<p>180°</p><p>AX₂</p><p>(2 bonds, 0 lone electron pairs)</p><p>symmetrical</p><p>nonpolar</p><p>SP</p>
2
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trigonal planar / trigonal planar

120°

AX₃

(3 bonds, 0 lone electron pairs)

symmetrical

nonpolar

SP²

<p>120°</p><p>AX₃</p><p>(3 bonds, 0 lone electron pairs)</p><p>symmetrical</p><p>nonpolar</p><p>SP²</p>
3
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trigonal planar / bent

>120°

AX₂E₁

(2 bonds, 1 lone electron pair)

asymmetrical

polar

SP²

<p>&gt;120°</p><p>AX₂E₁</p><p>(2 bonds, 1 lone electron pair)</p><p>asymmetrical</p><p>polar</p><p>SP²</p>
4
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tetrahedral / tetrahedral

109.5°

AX₄

(4 bonds, 0 lone electron pairs)

symmetrical

nonpolar

SP³

<p>109.5°</p><p>AX₄</p><p>(4 bonds, 0 lone electron pairs)</p><p>symmetrical</p><p>nonpolar</p><p>SP³</p>
5
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tetrahedral / trigonal pyramidal

>109.5°

AX₂E₁

(3 bonds, 1 lone electron pair)

asymmetrical

polar

SP³

<p>&gt;109.5°</p><p>AX₂E₁</p><p>(3 bonds, 1 lone electron pair)</p><p>asymmetrical</p><p>polar</p><p>SP³</p>
6
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tetrahedral / bent

>109.5°

AX₂E₂

(2 bonds, 2 lone electron pairs)

asymmetrical

polar

SP³

<p>&gt;109.5°</p><p>AX₂E₂</p><p>(2 bonds, 2 lone electron pairs)</p><p>asymmetrical</p><p>polar</p><p>SP³</p>
7
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trigonal bipyramidal / trigonal bipyramidal

120° and 90°

AX₅

(5 bonds, 0 lone electron pairs)

symmetrical

nonpolar

SP³D

<p>120° and 90°</p><p>AX₅</p><p>(5 bonds, 0 lone electron pairs)</p><p>symmetrical</p><p>nonpolar</p><p>SP³D</p>
8
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trigonal bipyramidal / seesaw

>120° and >90°

AX₄E₁

(4 bonds, 1 lone electron pair)

asymmetrical

polar

SP³D

<p>&gt;120° and &gt;90°</p><p>AX₄E₁</p><p>(4 bonds, 1 lone electron pair)</p><p>asymmetrical</p><p>polar</p><p>SP³D</p>
9
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trigonal bipyramidal / T-shape

>90°

AX₃E₂

(3 bonds, 2 lone electron pairs)

asymmetrical

polar

SP³D

<p>&gt;90°</p><p>AX₃E₂</p><p>(3 bonds, 2 lone electron pairs)</p><p>asymmetrical</p><p>polar</p><p>SP³D</p>
10
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trigonal bipyramidal / linear

180°

AX₂E₃

(2 bonds, 3 lone electron pairs)

asymmetrical

polar

SP³D

<p>180°</p><p>AX₂E₃</p><p>(2 bonds, 3 lone electron pairs)</p><p>asymmetrical</p><p>polar</p><p>SP³D</p>
11
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octahedral / octahedral

90°

AX₆

(6 bonds, 0 lone electron pairs)

symmetrical

nonpolar

SP³D²

<p>90°</p><p>AX₆</p><p>(6 bonds, 0 lone electron pairs)</p><p>symmetrical</p><p>nonpolar</p><p>SP³D²</p>
12
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octahedral / square pyramidal

>90°

AX₅E₁

(5 bonds, 1 lone electron pairs)

asymmetrical

polar

SP³D²

<p>&gt;90°</p><p>AX₅E₁</p><p>(5 bonds, 1 lone electron pairs)</p><p>asymmetrical</p><p>polar</p><p>SP³D²</p>
13
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octahedral / square planar

90°

AX₄E₂

(4 bonds, 2 lone electron pairs)

symmetrical

nonpolar

SP³D²

<p>90°</p><p>AX₄E₂</p><p>(4 bonds, 2 lone electron pairs)</p><p>symmetrical</p><p>nonpolar</p><p>SP³D²</p>