Linkage Photoisomerization of SO2 Bound to Osmium

Submitted by Nicole Crowder / University of Mary Washington on Thu, 01/07/2021 - 16:34

In this literature discussion, students are asked to explore the chemistry behind a eta-1 to eta-2 linkage photoisomer of sulfur dioxide bound to pentammine osmium. There are questions that tie to chemical structure and the nature of the two bonding modes of the ligand as well as an examination of the spectroscopic properties of the complex in the solid state. Two of the questions ask students to draw some conclusions based on their knowledge of periodic trends and the sigma donor ability of ligands.

SLiThEr #3: Flipping Your Classroom

Submitted by Kyle Grice / DePaul University on Tue, 12/29/2020 - 14:46

This is the 3rd SLiThEr (Supporting Learning with Interactive Teaching: a Hosted, Engaging Roundtable) in the series, hosted by both Drs. Anthony Fernandez and Meghan Porter, who discuss how they flip their classrooms. One of the classes discussed was a general chemistry course, and another was an intermediate inorganic chemistry course. The SLiThEr was recorded and posted on YouTube (see web resource link below). 

SLiThEr #1: Creating online inorganic chemistry labs

Submitted by Kyle Grice / DePaul University on Tue, 12/29/2020 - 14:29

This is the link to the first SLiThEr (Supporting Learning with Interactive Teaching: a Hosted, Engaging Roundtable), presented by Kyle Grice and Hosted by Chip Nataro. The SLiThEr was recorded and posted on YouTube (see the web resources link). 

This particular roundtable focused on the teaching of a Junior/Senior-level inorganic chemistry laboratory completely online. Kyle presented on what he did in Spring 2020 when he had to pivot quickly to a fully remote modality with only a week or so of planning. 

Molecular Orbital and Bond Polarity

Submitted by W. Stephen McNeil / University of British Columbia Okanagan on Wed, 12/16/2020 - 15:30

In 2009, Flick Coleman at Wellesley whipped up a brilliant little web-based tool that showed how the electronegativity and energy difference of atomic orbitals leads to changes in the resulting molecular orbitals. I've used it every year. But it runs on Flash, Flash is about to die forever (no longer supported as of Jan 2021), and I don't think Flick is going to make us an HTML5 version. (And wow I know I can't do that. Does somebody else know how to do that?)

Pencasts for Inorganic Chem: Finding Vibrations from Group Theory

Submitted by Kyle Grice / DePaul University on Mon, 12/14/2020 - 13:18

These are two "Livescribe Pencasts" I have used for inorganic chemistry. I made them with an Echo 2 Livescribe pen for my 10-week Junior/Senior Inorganic chemistry course. We teach with MFT and I use these as supplemental materials outside of class (both for f2f and online versions of this class).

Synthesis of Fluorescent Aluminum Complexes

Submitted by Taylor Haynes / California Polytechnic, San Luis Obispo on Fri, 08/28/2020 - 15:34

In this experiment, Students synthesize a Schiff Base and the corresponding aluminum complex to measure fluorescence. The lab provides exposure to air-free synthetic techniques, including the use of Schlenk Line techniques and safe handling of sure-seal bottles. Following data collection, students will be able to explain fluorescence spectroscopy and compare it to absorbance spectroscopy.

Jahn-Teller effect, theory and examples

Submitted by Adam Johnson / Harvey Mudd College on Thu, 08/06/2020 - 18:44

At a recent SLiThEr workshop, a request was put out for an introduction to the Jahn-Teller effect. I had already prepared several slides showcasing single crystal X-ray data for my class this spring so I put this together with some additional examples from my lab and the literature.  Single crystal XRD data is presented to support the claims.

A cobalt hydroformylation catalyst tribute to Malcolm Green

Submitted by Chip Nataro / Lafayette College on Mon, 07/27/2020 - 20:00

In this paper (Llewellyn, Green and Cowley, Dalton Trans. 2006, 4164-4168) the synthesis and characterization of two cobalt compounds with an N-heterocyclic carbene ligand (IMes) are reported. the first, [Co(CO)3(IMes)Me] was prepared by the reaction of [Co(CO)3(PPh3)Me] with IMes. The second compound, [Co(CO)3(IMes)COMe] is formed by the addition of Co to the first.

Blomstrand, Jørgensen, and Werner

Submitted by Brad Wile / Ohio Northern University on Fri, 07/10/2020 - 11:05

This is a short set of slides I use to introduce aspects of coordination chemistry for my foundation level inorganic chemistry class.