| Title: |
Spectroscopic Identification of a Bidentate Binding Motif in the Anionic Magnesium–CO 2 Complex ([ClMgCO 2 ] − ) |
| Authors: |
Miller, Glenn B. S.; Esser, Tim K.; Knorke, Harald; Gewinner, Sandy; Schöllkopf, Wieland; Heine, Nadja; Asmis, Knut R.; Uggerud, Einar |
| Source: |
Angewandte Chemie ; volume 126, issue 52, page 14635-14638 ; ISSN 0044-8249 1521-3757 |
| Publisher Information: |
Wiley |
| Publication Year: |
2014 |
| Collection: |
Wiley Online Library (Open Access Articles via Crossref) |
| Description: |
A magnesium complex incorporating a novel metal–CO 2 binding motif is spectroscopically identified. Here we show with the help of infrared photodissociation spectroscopy that the complex exists solely in the [ClMg(η 2 ‐O 2 C)] − form. This bidentate double oxygen metal–CO 2 coordination has previously not been observed in neutral nor in charged unimetallic complexes. The antisymmetric CO 2 stretching mode in [ClMg(η 2 ‐O 2 C)] − is found at 1128 cm −1 , which is considerably redshifted from the corresponding mode in bare CO 2 at 2349 cm −1 , suggesting that the CO 2 moiety has a considerable negative charge (∼1.8 e − ). We also employed electronic structure calculations and kinetic analysis to support the interpretation of the experimental results. |
| Document Type: |
article in journal/newspaper |
| Language: |
German |
| DOI: |
10.1002/ange.201409444 |
| Availability: |
https://doi.org/10.1002/ange.201409444; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fange.201409444; https://onlinelibrary.wiley.com/doi/pdf/10.1002/ange.201409444 |
| Rights: |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
| Accession Number: |
edsbas.73318BFE |
| Database: |
BASE |