Coordination polymers utilizing N-oxide functionalized host ligands

J.J. Henkelis, S.A. Barnett, L.P. Harding, M.J. Hardie

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Pyridyl functionalized host molecules are oxidized to their N-oxide analogues and form a series of coordination polymers and discrete complexes with transition metal cations. Complex {[Ag3(NMP)6(L1)2]·3(ClO4)}∞ where L1 = tris(isonicotinoyl-N-oxide)cyclotriguaiacylene, NMP = N-methylpyrrolidone, is a three-dimensional (3-D) 3,6-connected coordination polymer of pyrite-like (pyr) topology and features ligand unsupported argentophilic interactions, while two-dimensional (2-D) 3,6-connected coordination polymers with the rarely reported kagome dual (kgd) topology are found for [M(L1)2]2+ where M = Zn, Cd, Cu. Ligand L2 = tris(nicotinoyl-N-oxide)cyclotriguaiacylene forms a 2-D coordination polymer with 44 (sql) grid topology in complexes {[M(L2)2(DMF)2]·2ClO4·8(DMF)}∞ M = Cd or Cu, DMF = N,N′-dimethylformamide, and a double-linked chain structure in {[Co(L2)2(DMF)2]·2NO3·4(DMF)·H2O}∞, and both types of structure feature hand-shake self-inclusion motifs either within or between the polymers. 2-D coordination networks with 63 (hcb) topologies are found in complexes {[M(L3)(NO3)2]·2(DMF)}∞ (M = Cd, Zn) and {[Cu5(L3)2Cl10(NMP)4]}∞ where L3 = tris(2-pyridylmethyl)cyclotriguaiacylene, while [Ag2(L3)2(NMP)4]·2(BF4)·2(NMP) has a discrete dimeric structure which again shows hand-shake host–guest interactions supported by π–π stacking.
Original languageEnglish
Pages (from-to)10657-10674
Number of pages18
JournalInorganic Chemistry
Volume51
Issue number20
DOIs
Publication statusPublished - Sep 2012

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coordination polymers
Oxides
Polymers
topology
Ligands
ligands
oxides
Topology
pyrites
Dimethylformamide
transition metals
grids
interactions
Transition metals
inclusions
Cations
analogs
cations
polymers
Molecules

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Henkelis, J.J. ; Barnett, S.A. ; Harding, L.P. ; Hardie, M.J. / Coordination polymers utilizing N-oxide functionalized host ligands. In: Inorganic Chemistry. 2012 ; Vol. 51, No. 20. pp. 10657-10674.
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title = "Coordination polymers utilizing N-oxide functionalized host ligands",
abstract = "Pyridyl functionalized host molecules are oxidized to their N-oxide analogues and form a series of coordination polymers and discrete complexes with transition metal cations. Complex {[Ag3(NMP)6(L1)2]·3(ClO4)}∞ where L1 = tris(isonicotinoyl-N-oxide)cyclotriguaiacylene, NMP = N-methylpyrrolidone, is a three-dimensional (3-D) 3,6-connected coordination polymer of pyrite-like (pyr) topology and features ligand unsupported argentophilic interactions, while two-dimensional (2-D) 3,6-connected coordination polymers with the rarely reported kagome dual (kgd) topology are found for [M(L1)2]2+ where M = Zn, Cd, Cu. Ligand L2 = tris(nicotinoyl-N-oxide)cyclotriguaiacylene forms a 2-D coordination polymer with 44 (sql) grid topology in complexes {[M(L2)2(DMF)2]·2ClO4·8(DMF)}∞ M = Cd or Cu, DMF = N,N′-dimethylformamide, and a double-linked chain structure in {[Co(L2)2(DMF)2]·2NO3·4(DMF)·H2O}∞, and both types of structure feature hand-shake self-inclusion motifs either within or between the polymers. 2-D coordination networks with 63 (hcb) topologies are found in complexes {[M(L3)(NO3)2]·2(DMF)}∞ (M = Cd, Zn) and {[Cu5(L3)2Cl10(NMP)4]}∞ where L3 = tris(2-pyridylmethyl)cyclotriguaiacylene, while [Ag2(L3)2(NMP)4]·2(BF4)·2(NMP) has a discrete dimeric structure which again shows hand-shake host–guest interactions supported by π–π stacking.",
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Coordination polymers utilizing N-oxide functionalized host ligands. / Henkelis, J.J.; Barnett, S.A.; Harding, L.P.; Hardie, M.J.

In: Inorganic Chemistry, Vol. 51, No. 20, 09.2012, p. 10657-10674.

Research output: Contribution to journalArticle

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N2 - Pyridyl functionalized host molecules are oxidized to their N-oxide analogues and form a series of coordination polymers and discrete complexes with transition metal cations. Complex {[Ag3(NMP)6(L1)2]·3(ClO4)}∞ where L1 = tris(isonicotinoyl-N-oxide)cyclotriguaiacylene, NMP = N-methylpyrrolidone, is a three-dimensional (3-D) 3,6-connected coordination polymer of pyrite-like (pyr) topology and features ligand unsupported argentophilic interactions, while two-dimensional (2-D) 3,6-connected coordination polymers with the rarely reported kagome dual (kgd) topology are found for [M(L1)2]2+ where M = Zn, Cd, Cu. Ligand L2 = tris(nicotinoyl-N-oxide)cyclotriguaiacylene forms a 2-D coordination polymer with 44 (sql) grid topology in complexes {[M(L2)2(DMF)2]·2ClO4·8(DMF)}∞ M = Cd or Cu, DMF = N,N′-dimethylformamide, and a double-linked chain structure in {[Co(L2)2(DMF)2]·2NO3·4(DMF)·H2O}∞, and both types of structure feature hand-shake self-inclusion motifs either within or between the polymers. 2-D coordination networks with 63 (hcb) topologies are found in complexes {[M(L3)(NO3)2]·2(DMF)}∞ (M = Cd, Zn) and {[Cu5(L3)2Cl10(NMP)4]}∞ where L3 = tris(2-pyridylmethyl)cyclotriguaiacylene, while [Ag2(L3)2(NMP)4]·2(BF4)·2(NMP) has a discrete dimeric structure which again shows hand-shake host–guest interactions supported by π–π stacking.

AB - Pyridyl functionalized host molecules are oxidized to their N-oxide analogues and form a series of coordination polymers and discrete complexes with transition metal cations. Complex {[Ag3(NMP)6(L1)2]·3(ClO4)}∞ where L1 = tris(isonicotinoyl-N-oxide)cyclotriguaiacylene, NMP = N-methylpyrrolidone, is a three-dimensional (3-D) 3,6-connected coordination polymer of pyrite-like (pyr) topology and features ligand unsupported argentophilic interactions, while two-dimensional (2-D) 3,6-connected coordination polymers with the rarely reported kagome dual (kgd) topology are found for [M(L1)2]2+ where M = Zn, Cd, Cu. Ligand L2 = tris(nicotinoyl-N-oxide)cyclotriguaiacylene forms a 2-D coordination polymer with 44 (sql) grid topology in complexes {[M(L2)2(DMF)2]·2ClO4·8(DMF)}∞ M = Cd or Cu, DMF = N,N′-dimethylformamide, and a double-linked chain structure in {[Co(L2)2(DMF)2]·2NO3·4(DMF)·H2O}∞, and both types of structure feature hand-shake self-inclusion motifs either within or between the polymers. 2-D coordination networks with 63 (hcb) topologies are found in complexes {[M(L3)(NO3)2]·2(DMF)}∞ (M = Cd, Zn) and {[Cu5(L3)2Cl10(NMP)4]}∞ where L3 = tris(2-pyridylmethyl)cyclotriguaiacylene, while [Ag2(L3)2(NMP)4]·2(BF4)·2(NMP) has a discrete dimeric structure which again shows hand-shake host–guest interactions supported by π–π stacking.

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