Crystal structure and spectroscopic analysis of a new oxalate-bridged Mn(II) compound: catena-poly[guanidinium [[aqua-chlorido-manganese(II)]-?2-oxalato-?(4) O (1),O (2):O (1'),O (2')] monohydrate].

ABSTRACT: As part of our studies on the synthesis and the characterization of oxalate-bridged compounds M-ox-M (ox = oxalate dianion and M = transition metal ion), we report the crystal structure of a new oxalate-bridged Mn(II) phase, {(CH6N3)[Mn(C2O4)Cl(H2O)]·H2O} n . In the compound, a succession of Mn(II) ions (situated on inversion centers) adopting a distorted octa-hedral coordination and bridged by oxalate ligands forms parallel zigzag chains running along the c axis. These chains are inter-connected through O-H?O hydrogen-bonding inter-actions to form anionic layers parallel to (010). Individual layers are held together via strong hydrogen bonds involving the guanidinium cations (N-H?O and N-H?Cl) and the disordered non-coordinating water mol-ecule (O-H?O and O-H?Cl), as well as by guanidinium ?-? stacking. The structural data were confirmed by IR and UV-Visible spectroscopic analysis.

SUBMITTER: Sehimi H 

PROVIDER: S-EPMC4908543 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature