Vespr models Flashcards
How to calculate steric number?
lone pairs + # of atoms bonded to central atom
what is it called when there is 4 atoms around a central atom?
Tetrahedral
what is it called when there is 3 atoms and a lone pair around a central atom?
Trigonal pyramid
what is it called when there is 2 atoms and 2 lone pairs around a central atom?
Bent
what is it called when there is 5 atoms around a central atom?
Trigonal bypyramid
what is it called when there is 4 atoms and a lone pair around a central atom?
See-saw
what is it called when there is 3 atoms and 2 lone pair around a central atom?
T-shape
what is it called when there is 2 atoms and 3 lone pairs around a central atom?
Linear
what is it called when there is 6 atoms around a central atom?
Octohedral
what is it called when there is 5 atoms and a lone pair around a central atom?
Square Bipyramid
what is it called when there is 4 atoms and 2 lone pair around a central atom?
Square planar
what is it called when there is 3 atoms and 3 lone pairs around a central atom?
T-shape
what is it called when there is 2 atoms and 4 lone pairs around a central atom?
Linear
Angle for linear
180
Angle for Trigonal planar
120
Angle for bent (trigonal pyramid)
<120
Angle for Tetrahedral
109.5
Angle for Trigonal pyramid
<109.5
Angle for Bent (tetrahedral)
«109.5
Angle for Trigonal Bipyramid
90 and 120
Angle for See-saw
<90 and <120
Angle for T-shape
<90
Angle for line (3 lone pairs and 2 atoms)
180
Angle for Octohedral
90
Angle for Square pyramid
<90
Angle for Square planar
<90
Angle for T-shape
<90
Angle for linear (4 lone pairs and 2 atoms)
180
