Molecular Hydrogen Complexes of Mo and W

Submitted by Kyle Grice / DePaul University on Fri, 11/11/2016 - 19:28
Description

Literature discussion about the first examples of molecular hydrogen complexes isolated by Gregory J. Kubas in the early 80s. The questions are divided into groups with two levels of difficulty.

The more basic group of questions includes topics on:

1)      Coordination Chemistry: electron count, geometry, oxidation state, orbital interactions, types of ligands, binding modes, cis/trans and fac/mer isomers.

2)      Symmetry elements and point groups.

3)      Basic concepts on spectroscopy: NMR, Raman, IR, UV/Vis, XANES, EXAFS, neutron and X-ray diffraction

Ethylene compounds of the coinage metals

Submitted by Chip Nataro / Lafayette College on Mon, 10/17/2016 - 12:55
Description

This is a literature discussion based on a short paper on ethylene compounds of the coinage metals (Dias, H. V. R.; Wu, J. Organometallics 2012, 31, 1511-1517). In this paper, analogous ethylene compounds are prepared with Cu(I), Ag(I) and Au(I). The other ligand on the coinage metal is a scorpionate tris(pyrazolyl)borate ligand. The strength of the interaction between the metal and the ethylene varies significantly with the coinage metal as seen in X-ray crystallographic and spectroscopic (1H and 13C NMR) data.

Chapter 7--Stanley Organometallics

Submitted by George Stanley / Louisiana State University on Fri, 07/29/2016 - 12:19
Description

Chapter 7 from George Stanley's organometallics course, Alkenes and Alkynes

 

this chapter covers bonding and structure of metal pi-bonds, some descriptive chemistry, and their NMR spectroscopy.

The powerpoint slides contain answers to some of the in-class exercises, so those are behind the "faculty only" wall. I shares these with students after the class, but not before.

Chapter 6--Stanley Organometallics

Submitted by George Stanley / Louisiana State University on Fri, 07/29/2016 - 11:51
Description

Chapter 6 from George Stanley's organometallics course, Alkyls

 

this chapter covers bonding and structure of metal alkyls, some descriptive chemistry, and their NMR spectroscopy.

The powerpoint slides contain answers to some of the in-class exercises, so those are behind the "faculty only" wall. I shares these with students after the class, but not before.

everyone is more than welcome to edit the materials to suit their own uses, and I would appreciate being notified of any mistakes that are found.


Chapter 5--Stanley Organometallics

Submitted by George Stanley / Louisiana State University on Thu, 07/28/2016 - 20:17
Description

Chapter 5 from George Stanley's organometallics course, Hydrides

 

this chapter covers bonding and structure of metal phosphines, some descriptive chemistry, and their NMR spectroscopy.

The powerpoint slides contain answers to some of the in-class exercises, so those are behind the "faculty only" wall. I shares these with students after the class, but not before.

everyone is more than welcome to edit the materials to suit their own uses, and I would appreciate being notified of any mistakes that are found.


Chapter 4--Stanley Organometallics

Submitted by George Stanley / Louisiana State University on Tue, 07/26/2016 - 15:55
Description

Chapter 4 from George Stanley's organometallics course, Phosphines

 

this chapter covers bonding and structure of metal phosphines, some descriptive chemistry, and their NMR spectroscopy.

The powerpoint slides contain answers to some of the in-class exercises, so those are behind the "faculty only" wall. I shares these with students after the class, but not before.

everyone is more than welcome to edit the materials to suit their own uses, and I would appreciate being notified of any mistakes that are found.


Chapter 3--Stanley Organometallics

Submitted by George Stanley / Louisiana State University on Mon, 07/25/2016 - 13:15
Description

Chapter 3 from George Stanley's organometallics course, Carbonyls

 

this chapter covers bonding and structure of metal carbonyls, some descriptive chemistry, and their IR spectroscopy.

The powerpoint slides contain answers to some of the in-class exercises, so those are behind the "faculty only" wall. I shares these with students after the class, but not before.

everyone is more than welcome to edit the materials to suit their own uses, and I would appreciate being notified of any mistakes that are found.


Oxorhenium(V) Methyl, Benzyl, and Phenyl Complexes: New Mechanism for Carbonyl Insertion

Submitted by Matthew Riehl / Minnesota State University, Mankato on Thu, 06/30/2016 - 20:59
Description

The article “Synthesis and Reactivity of Oxorhenium(V) Methyl, Benzyl, and Phenyl Complexes with CO; Implications for a Unique Mechanism for Migratory Insertion,” Robbins, LK; Lilly, CP; Smeltz, JL; Boyle, PD; Ison, EA;, Organometallics 2015, 34, 3152-3158 is an interesting read for students studying reaction mechanisms of organometallic complexes.  The reading guide directs students to the sections of the paper that support the question posed in the Discussion Questions document. 

Structure matching: the $64,000 question

Submitted by Kari Stone / Lewis University on Thu, 06/30/2016 - 14:31
Description

In-class exercise that helps students learn how to use structural data and other experimental methods to assign structure. Using chemical intuition, students will rationalize the structures of metal complexes that differ by protonation states.

Electrochemical and Carbonyl Frequencies to Explain Ligand Non-Innocence in Organometallic Pincer Complexes

Submitted by Bryan Sears / Emmanuel College on Thu, 06/30/2016 - 10:52
Description

In this literature discussion, students read an Inorganic Chemistry paper (doi: 10.1021/ic503062w) about diarylamido-based PNZ pincer ligands and their Ni, Pd, and Rh complexes. Specifically, this paper uses IR and E1/2 potentials to demonstrate that the redox events occur not on the metal center but on the pincer ligands.

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