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Abstract:
Two isostructural layered coordination polymers constructed from mixed ligands, [Ln(2)(tdc)(3)(phen)(2)(H2O)(2)] (Ln = Sm 1, Eu 2, H(2)tdc = thiophene-2,5-dicarboxylic acid, phen = 1,10-phenanthroline), have been hydrothermally synthesized and characterized by elemental analysis, IR and single-crystal X-ray diffraction. Crystal data for 1: triclinic, space group P (1) over bar with a = 10.546(2), b = 11.201(2), c = 18.644(4) angstrom, alpha = 106.69(3), beta = 91.27(3), gamma = 94.43(3)degrees, D-c = 1.909 g.cm(-3), F(000) = 1180, mu = 2.992 mm(-1), Z = 2, the final R = 0.0300 and wR = 0.0656 for 6968 observed reflections with I > 2 sigma(I). And those for 2: triclinic, space group P (1) over bar with a = 10.557(2), b = 11.159(2), c = 18.588(2) angstrom, alpha = 106.945(6), beta = 91.255(6), gamma = 94.359(6)degrees, D-c = 1.927 g.cm(-3), F(000) = 1184, mu = 3.204 mm(-1), Z = 2, the final R = 0.0221 and wR = 0.0459 for 6328 observed reflections with I > 2 sigma(I). The title complexes show a two-dimensional (2D) square grid structure constructed from paddle-wheel-like [Ln(2)(CO2)(4)] dimers and tdc ligands. The 2D layers were further assembled into a 3D supramolecular assembly via O-H center dot center dot center dot O hydrogen bond. The photoluminescence properties of complexes 1 and 2 were investigated.
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CHINESE JOURNAL OF STRUCTURAL CHEMISTRY
ISSN: 0254-5861
CN: 35-1112/TQ
Year: 2009
Issue: 11
Volume: 28
Page: 1367-1372
0 . 5 4 4
JCR@2009
5 . 9 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
JCR Journal Grade:4
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 3
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
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