Crystal-to-crystal interconversion of open and closed dicopper(ii) paddle wheels in a heterotrimetallic coordination polymer

Crystal-to-crystal interconversion of open and closed dicopper(ii) paddle wheels in a heterotrimetallic coordination polymer

Treatment of [Au2Pd(dppm)(d-pen)2] ([1]) with Cu(NO3)2 gave a 1D (AuI2PdIICuII2)n coordination polymer, [Cu2(1)2(H2O)4](NO3)4 ([2](NO3)4), which was reversibly converted to its dehydrated species, [Cu2(1)2(H2O)2](NO3)4 ([3](NO3)4), with retention of crystallinity. The magnetic feature of [2](NO3)4 d...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (23), p.3402-3405
Hauptverfasser: Ohwaki, Hayato, Yoshinari, Nobuto, Konno, Takumi
Format: Artikel
Sprache:eng
Schlagworte:
Adsorbed water
Chemical synthesis
Coordination polymers
Copper
Crystallography
Dehydration
Gold
Gravimetric analysis
Magnetic permeability
NMR
Nuclear magnetic resonance
Polymers
Thermal analysis
X ray powder diffraction
X-ray diffraction
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Zusammenfassung:Treatment of [Au2Pd(dppm)(d-pen)2] ([1]) with Cu(NO3)2 gave a 1D (AuI2PdIICuII2)n coordination polymer, [Cu2(1)2(H2O)4](NO3)4 ([2](NO3)4), which was reversibly converted to its dehydrated species, [Cu2(1)2(H2O)2](NO3)4 ([3](NO3)4), with retention of crystallinity. The magnetic feature of [2](NO3)4 differs dramatically from that of [3](NO3)4, showing an unusual loop in the course of the magnetic susceptibility measurements due to the reversible opening and closing motions of dicopper(ii) paddle wheels in the solid state.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc00152b