Géométrie Des Molécules Flashcards

1
Q

Figure linéaire

A

AX2E0
Linéaire
180°
CO2

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2
Q

Figure triange plan du trigonale

A

AX3E0
Triangle
120°
H2CO
AX2E1
Coudée plane
<120°

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3
Q

Figure tétraèdrique

A

AX4E0
Tétraèdre
109,5°
CH4
AX3E1
Pyramide triangulaire
<109,5°
NH3
AX2E2
Coudée
<109,5°
H2O

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4
Q

Figure Bipyramide trigonale ou base trigulaire

A

AX5E0
Bipyramide trigonale
90° et120°
AX4E1
Balançoire
<130°
AX3E2
En T plane
AX2E3
Linéaire

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5
Q

Figure octaédrique

A

AX6E0
Octaèdre
90°
AX5E1
Pyramide base carée
<90°
AX4E2
Plan carré
<90°

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6
Q

Molécule polaire

A

Possède un moment dipolaire : centre des charges partielles négatives ne coïncident pas avec le centre des charges positives

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7
Q

Molécules apolaire

A

Molécule pas de moment dipolaire: centre des charges partielles négatives coïncide avec le centre des charges partielles positive (nulles)

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