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Dl-Piperidinium-2-carboxyl-ate bis-(hydrogen peroxide): unusual hydrogen-bonded peroxide chains.

ABSTRACT: The title compound, C6H11NO2·2H2O2, is the richest (by molar ratio) in hydrogen peroxide among the peroxosolvates of aliphatic ?-amino acids. The asymmetric unit contains a zwitterionic pipecolinic acid mol-ecule and two hydrogen peroxide mol-ecules. The two crystallographically independent hydrogen peroxide mol-ecules form a different number of hydrogen bonds: one forms two as donor and two as acceptor ([2,2] mode) and the other forms two as donor and one as acceptor ([2,1] mode). The latter hydrogen peroxide mol-ecule forms infinite hydrogen-bonded hydro-peroxo chains running along the c-axis direction, which is unusual for aliphatic ?-amino acid peroxosolvates.

SUBMITTER: Navasardyan MA 

PROVIDER: S-EPMC7405570 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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dl-Piperidinium-2-carboxyl-ate bis-(hydrogen peroxide): unusual hydrogen-bonded peroxide chains.

Navasardyan Mger A MA   Grishanov Dmitry A DA   Prikhodchenko Petr V PV   Churakov Andrei V AV  

Acta crystallographica. Section E, Crystallographic communications 20200721 Pt 8

The title compound, C<sub>6</sub>H<sub>11</sub>NO<sub>2</sub>·2H<sub>2</sub>O<sub>2</sub>, is the richest (by molar ratio) in hydrogen peroxide among the peroxosolvates of aliphatic α-amino acids. The asymmetric unit contains a zwitterionic pipecolinic acid mol-ecule and two hydrogen peroxide mol-ecules. The two crystallographically independent hydrogen peroxide mol-ecules form a different number of hydrogen bonds: one forms two as donor and two as acceptor ([2,2] mode) and the other forms two a  ...[more]

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