ESPECTROS ELECTRONICOS

-1 0 1

-1 0 1

MICROESTADOS

1) ORIENTACION DE ESPINES

2) ORIENTACION DE MOMENTOS ANGULARES

LOS TERMINOS DE UNA CONFIGURACION d2 SON

1G, 3F, 1D, 3P, 1S

MODELO DE ENLACE VALENCIA

DE LA FORMULA, OBTENER:

1) NUMERO DE COORDINACION

2) ELECTRONES EN ORBITALES d

(TODOS LOS e DE LA FAMILIA

ESTAN EN d)

[VCl3(NH3)3] NC = 6

V0 = d5, V3+ = d2

MODELO DE ENLACE VALENCIA

1) NC = 6

2) Fe0 = d8, Fe2+ = d6

Fe

(3)d (4)s (4)p

[FeII(L)6]2+

Fe

(3)d (4)s (4)p

3) OCUPACION ORBITAL

5) HIBRIDACION

4) MAGNETISMO

sp lineal

sp2 triangular

sp3 tetraedro

sdz lineal

sd 90 grados

sp2d cuadrada

sp3d bipiramide triangular

sp3d2 octaedro

HIBRIDACION Y ESTRUCTURA

[FeII(H2O)6]2+

NC = 6

Fe2+3d 4s 4p

Fe0 = d8, Fe2+ = d6

4d

sp3d2 OCTAEDRO PARAMAGNETICO, ALTO ESPIN (AS)

Fe2+3d 4s 4p 4d

sp3d2 OCTAEDRO DIAMAGNETICO

[FeII(CN)6]2+

NC = 6

Fe2+3d 4s 4p

Fe0 = d8, Fe2+ = d6

4d

sp3d2 OCTAEDRO PARAMAGNETICO, ALTO ESPIN (AS)

Fe2+3d 4s 4p 4d

sp3d2 OCTAEDRO DIAMAGNETICO

[FeII(H2O)6]2+

[FeII(CN)6]4-

[FeIIIF6]3-

[FeIII(CN)6]3-

[Fe0(CO)5]0

3d 4s 4p 4d

AS

BS

AS

BS

BS

sp3d2

d2sp3

sp3d2

d2sp3

dsp3

OCT

OCT

OCT

OCT

BT

[FeII(CN)6]4-

NC = 6

Fe2+

3d 4s 4p

Fe0 = d8, Fe2+ = d6

4d

sp3d2 OCTAEDRO

DIAMAGNETICO

PREDICCION:

MODELO DE ENLACE VALENCIA

1) NC = 6

2) Fe0 = d8, Fe2+ = d6

Fe

(3)d (4)s (4)p

Cl-NH3

d4sp = OCTAEDRO, DIAMAGNETICO

[FeII(L)6]2+

[FeII(H2O)6]2+

NC = 6

Fe2+

3d 4s 4p

Fe0 = d8, Fe2+ = d6

4d

sp3d2 OCTAEDRO

DIAMAGNETICO

PREDICCION:

[FeII(H2O)6]2+

NC = 6

Fe2+

3d 4s 4p

Fe0 = d8, Fe2+ = d6

4d

sp3d2 OCTAEDRO

DIAMAGNETICO…

PERO ES PARAMAGNETICO CON 4 ELECTRONES

DESAPAREADOS…

[FeII(CN)6]4-

NC = 6

Fe2+

3d 4s 4p

Fe0 = d8, Fe2+ = d6

4d

sp3d2 OCTAEDRO

DIAMAGNETICO

PREDICCION:

[FeIIIF6]3-

NC = 6

Fe3+

3d 4s 4p

Fe0 = d8, Fe3+ = d5

4d

sp3d2 OCTAEDRO

PARAMAGNETICO 1e DESAPAREADO

PREDICCION:

[FeIIIF6]3-

NC = 6

Fe3+

3d 4s 4p

Fe0 = d8, Fe3+ = d5

4d

sp3d2 OCTAEDRO

PARAMAGNETICO 1e DESAPAREADO…

SI ES PARAMAGNETICO PERO CON 5e DESAPAREADOS…

[FeIIIF6]3-

NC = 6

Fe3+

3d 4s 4p

Fe0 = d8, Fe3+ = d5

4d

sp3d2 OCTAEDRO

PARAMAGNETICO (AS), 5e DESAPAREADOS…

[FeIII(CN)6]3-

NC = 6

Fe3+

3d 4s 4p

Fe0 = d8, Fe3+ = d5

4d

sp3d2 OCTAEDRO

PARAMAGNETICO 1e DESAPAREADO

PREDICCION:

[FeIII(CN)6]3-

NC = 6

Fe3+

3d 4s 4p

Fe0 = d8, Fe3+ = d5

4d

sp3d2 OCTAEDRO

PARAMAGNETICO 1e DESAPAREADO

PREDICCION:

[CoII(H2O)6]2+

[CoII(NO2)6]4-

[CoIIIF6]3-

[CoIII(CN)6]3-

AS

BS

AS

BS

sp3d2

d2sp3

sp3d2

d2sp3

octa

octa

octa

octa

3d 4s 4p 4d

[NiII(CN)4]2-

[Ni0(CO)4]0

[NiIICl4]2-

BS

BS

AS

dsp2

sp3

tetra

cuad

tetra

3d 4s 4p 4d

sp3

[CuI(CN)4]3-

[CuII(NH3)4]2+

sp3

dsp2

tetra

cuad

3d 4s 4p 4d

HUGO TORRENS

ELECTRONES EN d

Ni

(3)d (4)s (4)p

Pd

(4)d (5)s (5)p

Pt

(5)d (6)s (6)p