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Crystal structures of [Li7(i-PrO)3(C4H10NO)3]2O and [Na(i-PrOH)2(C8H18NO2)]2.

ABSTRACT: The title compounds, hexa-kis-[?3-2-(di-methyl-amino)-ethano-lato]hexa-?2-iso-propano-lato-?4-oxido-tetra-deca-lithium(I), [Li7(i-PrO)3(C4H10NO)3]2O (1), and {3-[(2-meth-oxy-eth-yl)(meth-yl)amino]-1,1-dimethylpropano-lato}diiso-prop-an-o-lsodium(I), [Na(i-PrOH)2(C8H18NO2)] (2), were crystallized in the presence of 2-propanol (i-PrOH, C3H7OH). The structure 1 has monoclinic symmetry (C2/c) and the asymmetric unit contains half of the compound. Title compound 2 has triclinic symmetry (P ) and the asymmetric unit is half of an inversion-symmetric aggregate. Both compounds consist of an alkali metal, an amino-alkoxide and a 2-propanol compound. Furthermore, the dimeric sodium aggregate 2 is build up by hydrogen bonding through the 2-propanol and the alkoxides. Compound 1 does not exhibit hydrogen bonding, due to the fact that the 2-propanol is deprotonated. In compound 1, benzene appeared as co-crystallate, but was suppressed by solvent masking because of strong disorder. The formula mass and density do not take account of the solvent.

SUBMITTER: Scheel R 

PROVIDER: S-EPMC7274013 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Crystal structures of [Li<sub>7</sub>(<i>i</i>-PrO)<sub>3</sub>(C<sub>4</sub>H<sub>10</sub>NO)<sub>3</sub>]<sub>2</sub>O and [Na(<i>i</i>-PrOH)<sub>2</sub>(C<sub>8</sub>H<sub>18</sub>NO<sub>2</sub>)]<sub>2</sub>.

Scheel Rebecca R   Louven Kathrin K   Strohmann Carsten C  

Acta crystallographica. Section E, Crystallographic communications 20200529 Pt 6

The title compounds, hexa-kis-[μ<sub>3</sub>-2-(di-methyl-amino)-ethano-lato]hexa-μ<sub>2</sub>-iso-propano-lato-μ<sub>4</sub>-oxido-tetra-deca-lithium(I), [Li<sub>7</sub>(<i>i</i>-PrO)<sub>3</sub>(C<sub>4</sub>H<sub>10</sub>NO)<sub>3</sub>]<sub>2</sub>O (<b>1</b>), and {3-[(2-meth-oxy-eth-yl)(meth-yl)amino]-1,1-dimethylpropano-lato}diiso-prop-an-o-lsodium(I), [Na(<i>i</i>-PrOH)<sub>2</sub>(C<sub>8</sub>H<sub>18</sub>NO<sub>2</sub>)] (<b>2</b>), were crystallized in the presence of 2-propanol (<  ...[more]

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