15/04/2015
THE SPLITTING OF TERMS
INORGANIC CHEMISTRY-2 2015
In an octahedral field, the free ion terms will split due to their
differing spatial orientations.
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/
30/03/2015
INORGANIC CHEMISTRY-2 2015
TERM SYMBOLS
L=
0
1
2
3
4
Term
Symbol
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
S
P
D
F
G
Coordination Chemistry-III
CHAPTER 11
2
1
MICROSTATE TABLE
TERM S
15/04/2015
INORGANIC CHEMISTRY-2 2015
CHARGE TRANSFER TRANSITIONS
d0 and d10 ion have no d-d transitions
Zn2+
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
d10 ion white
TiF4
d0 ion
white
TiCl4
d0
30/03/2015
COLOUR OF TRANSITION METAL COMPLEX
INORGANIC CHEMISTRY-2 2015
Prussian blue: Iron(II) and iron(III) coordinated octahedrally by
cyanide
Used as a pigment for more than two centuries and is still used in
Dr. Krishna K Damodaran
University of Ice
30/03/2015
INORGANIC CHEMISTRY-2 2015
QUANTUM NUMBERS OF MULTIELECTRON ATOMS
Quantum numbers and energies of individual electrons can be
described in fairly simple terms, interactions between electrons
Dr. Krishna K Damodaran
University of Iceland
Dunhagi
INORGANIC CHEMISTRY-2 2015
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
Coordination Chemistry-II
CHAPTER 10
1
LIGAND-FIELD SPLITTING ENERGIES
z2 x2-y2
x2-y2
Energy
xy yz xz
z2
x2-y2
Do
Free ion i
07/03/2015
INORGANIC CHEMISTRY-2 2015
CRYSTAL FIELD STABILIZATION ENERGY
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
Coordination Chemistry-II
CFSE = how much energy is gained by the electrons in
18/03/2015
ANGULAR OVERLAP METHOD
INORGANIC CHEMISTRY-2 2015
Development of the Theory
Ligand Field Theory shortcomings
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
Energy of interactions are ambi
11/03/2015
ML6 OCTAHEDRAL MO DIAGRAM
INORGANIC CHEMISTRY-2 2015
(n+1) p
T1u
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
(n+1) s
2t1u
2a1g
A1g
2eg
Do
n
z2 x2-y2 xy xz yz
T2g
Eg
t2g
A1g
Coordin
18/03/2015
SQUARE-PLANAR COMPLEXES
INORGANIC CHEMISTRY-2 2015
Square-planar complexes, ML4, form an important group of
coordination compounds.
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
To under
04/03/2015
Bonding Theory
INORGANIC CHEMISTRY-2 2015
To address some of the properties of transition metal complexes
Varying behaviors and properties of different complexes that
are not explainable by bonding theories such as
Lewis structures and VSEPR th
30/01/2015
GROUP 4A ELEMENTS (ns2np2, n 2)
INORGANIC CHEMISTRY-2 2015
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
Main Group Elements
CHAPTER 8
2
1
GROUP 4A ELEMENTS
GROUP 4A ELEMENTS
Sn and Pb a
18/02/2015
INORGANIC CHEMISTRY-2 2015
COORDINATION CHEMISTRY
Coordination complex: A structure containing a metal (usually a
metal ion) bonded (coordinated) to a group of surrounding
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, I
12/02/2015
GROUP 7A ELEMENTS (ns2np5, n 2)
INORGANIC CHEMISTRY-2 2015
X + 1eDr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
2HX(g)
Increasing reactivity
X2(g) + H2(g)
X-1
Main Group Elements
CHAPTER
03/02/2015
INORGANIC CHEMISTRY-2 2015
GROUP 5A ELEMENTS
Oxoacids are formed from the halides in a reaction with water:
EX3 + 3H2O(l) H3EO3(aq) + 3HX(aq)
EX5 + 4H2O(l) H3EO4(aq) + 5HX(aq)
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjav
24/02/2015
INORGANIC CHEMISTRY-2 2015
6-COORDINATE COMPLEXES
Mabcdef complexes
15 diastereomers possible
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
Each diastereomer is chiral, so 30 total
stere
28/01/2015
INORGANIC CHEMISTRY-2 2015
GROUP IA ALKALI METALS
Chemical Properties
Easy loss of 1 e- (lowest IE of all the elements)
Excellent reducing agents (get oxidized themselves, Birch reduction)
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3
12/01/2015
HYDROGEN BONDING A FRONTIER MOLECULAR
ORBITAL APPROACH
INORGANIC CHEMISTRY-2 2015
FHF- (symmetric, equivalent
bonds to H)
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
In chapter 5, we d
26/01/2015
INTRODUCTION
INORGANIC CHEMISTRY-2 2015
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
Twenty top industrial
chemicals are main group
elements or compounds
Main Group Elements
8 of the to
05/01/2015
ACIDS AND BASES
INORGANIC CHEMISTRY-2 2015
Some Common Acids and Bases and their Household Uses.
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
AcidBase and Donor
Acceptor Chemistry
CHAPT
1/18/2015
INORGANIC CHEMISTRY-2 2015
SOLVATION
Solvation is interaction with solvent molecules
Solvents have a huge impact on the observed strength of acids
and bases.
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/un
09/01/2015
INORGANIC CHEMISTRY-2 2015
LEWIS ACIDS AND BASES
H
F
Dr. Krishna K Damodaran
University of Iceland
Dunhagi 3, 107 Reykjavk, Iceland
http:/uni.hi.is/krishna/
B
+
F
N
F
H
F
F
H
acid
H
B N
F
No protons
donated or
accepted!
H
H
base
A Lewis acid is
