2014
DOI: 10.1002/anie.201409444
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Spectroscopic Identification of a Bidentate Binding Motif in the Anionic Magnesium–CO2 Complex ([ClMgCO2])

Abstract: A magnesium complex incorporating a novel metal-CO2 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) -O2 C)](-) form. This bidentate double oxygen metal-CO2 coordination has previously not been observed in neutral nor in charged unimetallic complexes. The antisymmetric CO2 stretching mode in [ClMg(η(2) -O2 C)](-) is found at 1128 cm(-1) , which is considerably redshifted from the corresponding m… Show more

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Cited by 67 publications
(44 citation statements)
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“…Figure adapted from Polfer et al [154] A.M. Rijs and J. Oomens [158]. Furthermore, the new IR FEL at the Fritz Haber Institute in Berlin has very recently been applied to obtain IR ion spectra [159].…”
Section: Irmpd Spectroscopymentioning
confidence: 99%
“…Figure adapted from Polfer et al [154] A.M. Rijs and J. Oomens [158]. Furthermore, the new IR FEL at the Fritz Haber Institute in Berlin has very recently been applied to obtain IR ion spectra [159].…”
Section: Irmpd Spectroscopymentioning
confidence: 99%
“…[9,10] Eine weitere Mçglichkeit ist die Wechselwirkung über zwei Metall-O-Bindungen, entweder mit einem einzelnen CO 2 -Molekül [11] oder in einem Oxalat-Komplex. [9,10] Eine weitere Mçglichkeit ist die Wechselwirkung über zwei Metall-O-Bindungen, entweder mit einem einzelnen CO 2 -Molekül [11] oder in einem Oxalat-Komplex.…”
Section: Angewandte Chemieunclassified
“…Zuschriften metallen der vierten Periode Koordinationskomplexe entstehen, die zweizähnige (h 2 -)Bindungsmotive zwischen CO 2 -Liganden und dem Metallatom über Metall-C-und Metall-O-Bindungen aufweisen. [9,10] Eine weitere Mçglichkeit ist die Wechselwirkung über zwei Metall-O-Bindungen, entweder mit einem einzelnen CO 2 -Molekül [11] oder in einem Oxalat-Komplex. [9, 10b]…”
Section: Angewandte Chemieunclassified
“…For the reactions of CO 2 with metal anions, monodentate coordina- [18][19][20][21], and the bidentate configuration [M(η 2 -CO 2 )] − for Co − and Ni − [22,23]. A bidentate complexe [ClMg(η 2 -O 2 C)] − has also been identified [24]. Generally, the M + -OCO configuration is common in the cation-CO 2 complexes.…”
Section: Introductionmentioning
confidence: 97%