TY - JOUR
T1 - Synthesis and Structures of FeIII Complexes Bridged by Cyanorhenium Clusters
AU - Park, Seon Mi
AU - Kim, Youngmee
AU - Kim, Sung Jin
PY - 2003/11/25
Y1 - 2003/11/25
N2 - The reaction of FeCl(L1) and FeCl(L2) [L1 = bis(3-salicylideneaminopropyl)amine, L2 = bis(3-salicylideneaminopropyl)methylamine] with the Re6 clusters [Re6Q8(CN)6]4- (Q = Se, Te) led to the formation of the nanomolecular (≈2.5 nm) compounds [(CN) 2Re6Se8{(CN)Fe(L1)}4]·7H 2O (1) and [(CN)2Re6Te 8{(CN)Fe(L2)}4]·4CH3CN·4H 2O (2). Both compounds were characterized by single-crystal X-ray diffraction analysis. Compound 1 crystallizes in the triclinic space group P1 with a = 12.2822(10), b = 14.2524(10), c = 15.8474(10) Å, α = 106.093(10)°, β = 101.992(10)°, γ = 92.438(10)°, and Z = 1. Compound 2 crystallizes in the orthorhombic space group Pbca with a = 19.3024(2), b = 16.8134(3), c = 35.9842(6) Å, and Z = 4. In these two compounds, only four pentadentate compartments are bonded to the Re6 cluster for charge balancing. The magnetic-susceptibility data show that there is no evidence for interactions between FeIII ions via the central Re6 cluster in either compound. The observed effective magnetic moments suggest that there are low-spin FeIII ions and high-spin FeIII ions mixed in each compound.
AB - The reaction of FeCl(L1) and FeCl(L2) [L1 = bis(3-salicylideneaminopropyl)amine, L2 = bis(3-salicylideneaminopropyl)methylamine] with the Re6 clusters [Re6Q8(CN)6]4- (Q = Se, Te) led to the formation of the nanomolecular (≈2.5 nm) compounds [(CN) 2Re6Se8{(CN)Fe(L1)}4]·7H 2O (1) and [(CN)2Re6Te 8{(CN)Fe(L2)}4]·4CH3CN·4H 2O (2). Both compounds were characterized by single-crystal X-ray diffraction analysis. Compound 1 crystallizes in the triclinic space group P1 with a = 12.2822(10), b = 14.2524(10), c = 15.8474(10) Å, α = 106.093(10)°, β = 101.992(10)°, γ = 92.438(10)°, and Z = 1. Compound 2 crystallizes in the orthorhombic space group Pbca with a = 19.3024(2), b = 16.8134(3), c = 35.9842(6) Å, and Z = 4. In these two compounds, only four pentadentate compartments are bonded to the Re6 cluster for charge balancing. The magnetic-susceptibility data show that there is no evidence for interactions between FeIII ions via the central Re6 cluster in either compound. The observed effective magnetic moments suggest that there are low-spin FeIII ions and high-spin FeIII ions mixed in each compound.
KW - Cluster compounds
KW - Iron
KW - Magnetic properties
KW - Nanostructures
KW - Rhenium
UR - http://www.scopus.com/inward/record.url?scp=0344306420&partnerID=8YFLogxK
U2 - 10.1002/ejic.200300255
DO - 10.1002/ejic.200300255
M3 - Article
AN - SCOPUS:0344306420
SN - 1434-1948
SP - 4117
EP - 4121
JO - European Journal of Inorganic Chemistry
JF - European Journal of Inorganic Chemistry
IS - 22
ER -