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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.
Questions can be selected based on the level of the class. It is recommended that 2e-, 3-center bonds have been discussed prior to this literature discussion.
η2-SO2 Linkage Photoisomer of an Osmium Coordination Complex
DOI: 10.1021/acs.inorgchem.7b03032
| Attachment | Size |
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| Literature Discussion Student File | 37.31 KB |
After completion of this literature discussion, a student should be able to
- use bonding models to help explain ligand bonding to a coordination compound
- identify orbitals used in various bonding modes
- apply the spectrochemical series to predict stability of an eta-2 complex
- apply periodic trends to explain photochemical properties
This could be used as an out-of-class assignment where students submit their answers, or it could be the basis for an in-class discussion.
Questions should be selected as suitable for the level of the class. Question 8 could be used as a follow-up exam question following the lit discussion.
Evaluation
Student responses can be graded for correctness or for the level of engagement in the class discussion.
Questions should be selected as suitable for the level of the class. Question 8 could be used as a follow-up exam question following the lit discussion.
This LO has not been used in a class yet.