TY - JOUR
T1 - Hydrothermal syntheses, crystal structures, and magnetic properties of a series of complexes constructed from multinuclear copper clusters and polyoxometalates
AU - Yang, Hongxun
AU - Guo, Shengping
AU - Tao, Jun
AU - Lin, Jingxiang
AU - Cao, Rong
PY - 2009/11/4
Y1 - 2009/11/4
N2 - A series of complexes constructed from multinuclear copper clusters and polyoxometalates, namely, [Cu6(PO4)2(H2O) 2(bpy)6](H3O)2[P2W 18O62](bpy = 2,2′-bipyridine, 1), [Cu 6(PO4)2(H2O)4(phen) 6](H2O)2[P2W18O 62] (phen = 1,10-phenanthroline, 2), [Cu2Cl(phen) 4][PW12O40] (3), [Cu4(HPO 4)2(H2O)4(phen)4](H 3O)2[PV3W9O40] (4), and [Cu4(HPO4)2(H2O)2(bpy) 4](H2O)2[PVW11O40] (5), have been successfully synthesized in situ under hydrothermal conditions via changing the ligand, adjusting the pH value, and introducing low-valence metal (V5-). Complex 1 represents the first example of ID linear chain constructed from alternating mixed-valence hexacopper (four Cu2+ and two Cu+) clusters and Wells - Dawson type polyoxometalates. Complex 2 exhibits an unprecedented 2D layer network based on hexacopper phosphate and Wells - Dawson type polyoxometalates. Complex 3 constructed from dicopper coordination compounds and Keggin polyoxometalates, was obtained from the similar hydrothermal treatment of 2 at much lower pH value. Complexes 4-5 represent the first two examples of ID linear chain constructed from alternating tetracopper phosphate cations and V5--substituted Keggin type polyoxometalates. The magnetic properties of the complexes have been investigated between 2 and 300 K.
AB - A series of complexes constructed from multinuclear copper clusters and polyoxometalates, namely, [Cu6(PO4)2(H2O) 2(bpy)6](H3O)2[P2W 18O62](bpy = 2,2′-bipyridine, 1), [Cu 6(PO4)2(H2O)4(phen) 6](H2O)2[P2W18O 62] (phen = 1,10-phenanthroline, 2), [Cu2Cl(phen) 4][PW12O40] (3), [Cu4(HPO 4)2(H2O)4(phen)4](H 3O)2[PV3W9O40] (4), and [Cu4(HPO4)2(H2O)2(bpy) 4](H2O)2[PVW11O40] (5), have been successfully synthesized in situ under hydrothermal conditions via changing the ligand, adjusting the pH value, and introducing low-valence metal (V5-). Complex 1 represents the first example of ID linear chain constructed from alternating mixed-valence hexacopper (four Cu2+ and two Cu+) clusters and Wells - Dawson type polyoxometalates. Complex 2 exhibits an unprecedented 2D layer network based on hexacopper phosphate and Wells - Dawson type polyoxometalates. Complex 3 constructed from dicopper coordination compounds and Keggin polyoxometalates, was obtained from the similar hydrothermal treatment of 2 at much lower pH value. Complexes 4-5 represent the first two examples of ID linear chain constructed from alternating tetracopper phosphate cations and V5--substituted Keggin type polyoxometalates. The magnetic properties of the complexes have been investigated between 2 and 300 K.
UR - http://www.scopus.com/inward/record.url?scp=72949098782&partnerID=8YFLogxK
U2 - 10.1021/cg9005983
DO - 10.1021/cg9005983
M3 - Article
AN - SCOPUS:72949098782
SN - 1528-7483
VL - 9
SP - 4735
EP - 4744
JO - Crystal Growth and Design
JF - Crystal Growth and Design
IS - 11
ER -