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Original Articles

Synthesis and crystal structures of two rare-earth metal polymers of olsalazine

, , , , &
Pages 2682-2688 | Received 16 Aug 2008, Accepted 30 Dec 2008, Published online: 24 May 2010
 

Abstract

Two 1-D linear coordination polymers, {[Gd2(L)2 · (Phen)2 · 2(H2O) · 2(NO3)] · 2(EtOH)} n (1) (H2L = olsalazine) and {[Eu2(L)2·(Phen)2 · 2(H2O) · 2(NO3)] · EtOH} n (2), were obtained from self-assembly of Gd(NO3)3 · 8H2O or Eu(NO3)3 · 8H2O with olsalazine. Both complexes are 1-D polymers, for 1 with crystal data: P 1, a = 11.651(4), b = 11.865(4), and c = 12.296(4) Å, α = 77.984(4)°, β = 65.559(4)°, and γ = 74.558(5)°, V = 1482.1(8) Å3, Z = 1, R 1 = 0.0389, wR 2 = 0.0793, and 2 with crystal data: P 1, a = 11.626(3), b = 11.834(3), c = 12.287(4) Å, α = 77.743(3), β = 65.576(3), γ = 74.371(3)°, V = 1472.5(5) Å3, Z = 1, R 1 = 0.0609, wR 2 = 0.1185. Central atoms (Gd or Eu) in both complexes adopt nine-coordinate tricapped trigonal prism geometry. CCDC No.: 694918 (1), 694919 (2).

Acknowledgments

This work was supported by the Natural Science Foundation of Jiangxi Province (Code No. 2008GZH0064) and Jiangxi Provincial Sustentation Fund of Education Department (Code No. GJJ08275).

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