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