10.1021/cg301480s.s002
Conrad W. Ingram
Conrad W.
Ingram
Liang Liao
Liang
Liao
John Bacsa
John
Bacsa
Issifu Harruna
Issifu
Harruna
Daniel Sabo
Daniel
Sabo
Z. John Zhang
Z. John
Zhang
Novel Layered 2D and Triply
Interpenetrating 3D Cobalt-Functionalized
Diaza-12-crown Based Coordination Polymers: Synthesis, Structure,
and Magnetic Properties
American Chemical Society
2013
ligand
2L
Novel Layered 2 D
dioxa
triply interpenetrating 3 D network
Compound 2 crystallizes
space group C 2
carboxylate oxygen atoms
Weak antiferromagnetic interactions
octahedral geometry
exhibit
interpenetrating dmd topology
center
Compound 1 crystallizes
Magnetic PropertiesTwo novel coordination polymers
2013-03-06 00:00:00
Dataset
https://acs.figshare.com/articles/dataset/Novel_Layered_2D_and_Triply_Interpenetrating_3D_Cobalt_Functionalized_Diaza_12_crown_Based_Coordination_Polymers_Synthesis_Structure_and_Magnetic_Properties/2436814
Two novel coordination polymers with formulas Co<b>L1</b>·3H<sub>2</sub>O [<b>1</b>, <b>L1</b> =
3,3′-((1,7-dioxa-4,10-diazacyclododecane-4,10-diyl)bis(methylene)
dibenzenecarboxylate] and Co<sub>2</sub><b>L2</b>(H<sub>2</sub>O)<sub>2</sub>·2(H<sub>2</sub>O) [<b>2</b>, <b>L2</b> = 5,5′-((1,7-dioxa-4,10-diazacyclododecane-4,10-diyl)bis(methylene))
diisophthalate] were synthesized, where one Co(II) ion coordinates
the crown-4 moiety of the ligand. Compound <b>1</b> crystallizes
in the space group <i>C</i>2 as an infinite two-dimensional
chiral layered coordination network with a tetragonal 4<sup>4</sup> <b>sql</b> net topology. The structural unit consists of the
coordinated Co(II) ion and the deprotonated ligand. The Co(II) ion
is 6-coordinate with two nitrogen atoms and two oxygen atoms of the
crown 1,7-diaza-12-crown-4, and two carboxylate oxygen atoms from
neighboring ligands, and exhibits a highly distorted octahedral geometry.
Compound <b>2</b> crystallizes in the monoclinic space group <i>P</i>2<sub>1</sub>/<i>n</i> as a triply interpenetrating
3D network with the uncommon <b>sqc</b>528/dmd system, the first
coordination polymer with a 3-fold interpenetrating dmd topology.
It exhibits two distinct Co(II) ions. One is in the center of the
crown-4 along with two <i>cis</i>-coordinated water molecules
in a highly distorted octahedral geometry; the other is 4-coordinate
with tetrahedral geometry and a node in the framework. Weak antiferromagnetic
interactions exist between the cobalt centers in both compounds.