Complexes

Coordination Compounds Dr. P. S. Bhale Asst. Professor Department of Chemistry Y. C. Mahavidyalaya, Tuljapur. Complexes. A central metal atom bonded to a group of molecules or ions is a metal complex . If it’s charged, it’s a complex ion .

1.27k views • 78 slides

Coordination Chemistry Bonding in transition-metal complexes

Coordination Chemistry Bonding in transition-metal complexes. Summary of key points on isomerism. Crystal field theory: an electrostatic model. The metal ion will be positive and therefore attract the negatively charged ligands.

1.39k views • 47 slides

Chapter 19 Coordination Complexes 19.1 The Formation of Coordination Complexes 19.2 Structures of Coordination Complex

C1403 Lecture 20 Tuesday, November 16, 2005. Chapter 19 Coordination Complexes 19.1 The Formation of Coordination Complexes 19.2 Structures of Coordination Complexes 19.3 Crystal-Field Theory and Magnetic Properties 19.4 The Colors of Coordination Complexes

705 views • 27 slides

Aqueous Complexes

308 views • 14 slides

Chapter 19 Coordination Complexes 19.1 The Formation of Coordination Complexes 19.2 Structures of Coordination Comple

C1403 Lecture 19 Monday, November 14, 2005. Chapter 19 Coordination Complexes 19.1 The Formation of Coordination Complexes 19.2 Structures of Coordination Complexes 19.3 Crystal-Field Theory and Magnetic Properties 19.4 The Colors of Coordination Complexes

1.28k views • 49 slides

Chemistry 223 Chapter 24 Coordination Complexes

Chemistry 223 Chapter 24 Coordination Complexes. d -block elements a.k.a. transition metals. d -block elements are: all metals all have partially filled d subshells exhibit horizontal & vertical similarities alloys & compounds are important components

1.22k views • 82 slides

Ni & Cu Coordination Complexes

Ni & Cu Coordination Complexes. Hand in: Pre-Lab, OPEN EXCEL Today, we will study the reactions of different coordination complexes with ethylenediamine to determine if minor differences in structure make a difference in chemical reaction. Ni(H 2 O) 6 +2 Cu(H 2 O) 6 +2.

352 views • 8 slides

Complexes

Complexes. Complex – Association of a cation and an anion or neutral molecule All associated species are dissolved None remain electrostatically effective Ligand – the anion or neutral molecule that combines with a cation to form a complex Can be various species

476 views • 30 slides

Metal Complexes

Metal Complexes. metal cation is attached to a group of surrounding molecules or ions ( ligands ) by coordinate covalent bonds coordinate => ligand donates both electrons each ligand makes at least one coordinate covalent bond to the metal cation

1.07k views • 15 slides

Complexes

Complexes. What to do ? How to do ?. Energy difference. C2_H6_N0_O1_F0_S0. E COMPLEX – (E FRAGMENT1 + E FRAGMENT2 ). +. O1_H2_ 112. C2_H4_ 112. C2_H6_N0_O1_F0_S0_ 123. Create an fragment input file. Remove atoms of fragement 1 (O1_H2) from complex

197 views • 6 slides

Intermolecular Complexes

Intermolecular Complexes. A Study in Equilibria Using NMR and Optical Spectroscopy. Background Material.

410 views • 14 slides

Coordination Complexes and Transition Metals in Action

Coordination Complexes and Transition Metals in Action. Al 2 O 3 crystal with traces of Cr 3+ (ruby). Spring and summer – chlorophyll and xanthophyll. Fall – xanthophyll colors dominate. Plants and Animals. chlorophyll. heme. Colors of Chromium. Cr(NO 3 ) 3. CrCl 3. K 2 CrO 4.

2.01k views • 60 slides

Hemilabile Coordination Complexes as Fluorescent Chemosensors The Groundwork: RuPOMe

Hemilabile Coordination Complexes as Fluorescent Chemosensors The Groundwork: RuPOMe. Anthony Tomcykoski. Overview. Introduction Synthetic Approach Characterization Conclusions Future Work. Introduction. Hemilabile Coordination Polydentate chelates Inert and labile binding positions

449 views • 22 slides

Coordination complexes

Cl. N. N. N. N. N. N. Co. N. N. N. N. N. N. N. N. Cl. N. N. Cl. Cl. Co. Co. Coordination complexes. [CoCl 2 (en) 2 ]Cl. dichloro. bis(en). cobalt(III). chloride. Cl. trans-. same. Co. Cl. Cl. Cl. cis-. enantiomers. Pt. Coordination complexes.

338 views • 11 slides

Aqueous Complexes

Aqueous Complexes. Why do we care?? Complexation of an ion also occuring in a mineral increases solubility Some elements occur as complexes more commonly than as free ions Adsorption of elements greatly determined by the complex it resides in

639 views • 33 slides

Coordination Complexes - Summary

Coordination Complexes - Summary. Examples of ligand substitution reactions. [Ni(H 2 O) 6 ] 2+ (aq) + 6 NH 3 (aq)  [Ni(NH 3 ) 6 ] 2+ (aq) + 6 H 2 O(l). Need to know: - Inert, labile, thermodynamic stability - Structural aspects of complexes

323 views • 13 slides

Crystal Field Theory, Electronic Spectra and MO of Coordination Complexes

Crystal Field Theory, Electronic Spectra and MO of Coordination Complexes. Or why I decided to become an inorganic chemist or Ohhh!!! The Colors!!!. Gemstone owe their color from trace transition-metal ions. Corundum mineral, Al 2 O 3 : Colorless Cr  Al : Ruby Mn  Al: Amethyst

869 views • 30 slides

Coordination Chemistry Reactions of Metal Complexes

Coordination Chemistry Reactions of Metal Complexes. Substitution reactions. Labile complexes <==> Fast substitution reactions (< few min) Inert complexes <==> Slow substitution reactions (>h) a kinetic concept. Not to be confused with

514 views • 21 slides

Coordination Chemistry Bonding in transition-metal complexes

Coordination Chemistry Bonding in transition-metal complexes. Crystal field theory: an electrostatic model. The metal ion will be positive and therefore attract the negatively charged ligands. But there are electrons in the metal orbitals, which will experience repulsions

627 views • 45 slides