Learning Objectives For Test 3

Chapter 7, Introduction to Coordination Compounds

Overall:  Homework:  Exercise 8, 16

7.1  Representative Ligands

Recognize outer- and inner-sphere complexes.

Be able to use the terms ambidentate (and the κ nomenclature), chelate, polydentate, and bidentate, etc.  Homework:  Exercises 7, 9

Sketch the following ligands, given their abbreviations:  en, acac, cp, ox, PPh3, bipy.  Homework:  Exercise 10

Know that bite angle can be an indicator of ring strain.

7.2  Nomenclature

Given a sketch of a compound, name it and give its formula and vice versa.  Homework:  Exercise 1-3

7.3  Low Coordination Numbers

7.4  Intermediate Coordination Numbers

Homework:  Exercise 4

Recognize tripodal ligands.  Homework:  Exercise 5

Describe tetragonal distortion.

Homework:  Exercise 6

7.5  Higher Coordination Numbers

Recognize and name the geometries of “higher coordination numbers” (except dodecahedron).

7.6  Polymetallic Complexes

Distinguish metal clusters from metal cage complexes.

 

Determine which types of isomers are possible for a complex.  Homework:  Exercise 11

7.7  Square-planar Complexes

Describe isomers of square planar complexes; know that they are not chiral.  Homework:  Exercise 13

Use nmr to distinguish isomers.

7.8  Tetrahedral Complexes

Recognize chiral tetrahedral complexes.  Homework:  Exercise 12

7.9  Trigonal-bypyramidal and Square-pyramidal Complexes

Describe the Berry pseudorotation.

7.10       Octahedral Complexes

Describe octahedral isomers, and recognize which are chiral.  Homework:  Exercise 14, 15

Given a sketch of a complex containing two bidentate ligands, label it according to its absolute configuration.  Homework:  Exercises 17, 18

7.11       Ligand Chirality

Skip this section.

Chapter 20, d-metal Complexes:  Electronic Structure and Spectra

20.1 Crystal-field theory

Account for d orbital configurations using strong field, weak field and pairing energy.

Calculate the crystal field stabilization energy of high and low spin octahedral metal complexes.

Account for the trends in the spectrochemical series for metals.

Given the spectrochemical series, predict whether a complex will be high spin or low spin.

Relate CFSE to experimental double-humped curves.  Homework:  Exercise 6

Given magnetic data and a table of “spin-only magnetic moments”, determine if a metal in a complex is high or low spin. Homework:  Exercise 3

Describe CFSE for tetrahedral complexes.  Homework:  Exercises 1, 4, 5

SKIP THIS ONE:  Given a metal ion, predict if the complex will undergo a tetragonal distortion.

 

20.2 Ligand-field theory

SKIP THIS ONE:  Sketch an MO diagram describing σ bonding in a metal complex.

Sketch the two MO diagrams that describe π bonding in a metal complex.

Use π bonding to account for the order of the spectrochemical series.

SKIP the rest of this chapter.