Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
권호 표지

Two-Dimensional Lanthanum-BDC Coordination Polymer:Hydrothermal Synthesis and Structure of [La4(BDC)6(H2O)5](H2O)(BDC=benzene-1,3-dicaboxylate)

2차원 La-BDC 배위 고분자: [La4(BDC)6(H2O)5](H2O)의 수열합성 및 구조(BDC=benzene-1,3-dicaboxylate)

  • Kim, Hye Jin (Department of Chemistry, Sungkyunkwan University) ;
  • Min, Dong Won (Department of Chemistry, Sungkyunkwan University) ;
  • Heo, Hyun Su (Department of Chemistry, Sungkyunkwan University) ;
  • Lee, Soon W. (Department of Chemistry, Sungkyunkwan University)
  • Published : 20011200
Download PDF
⟨ Previous Next ⟩

Abstract

The hydrothermal reaction between lanthanum(Ⅲ) nitrate $(La(NO3)3${\cdot}$6H_2O)$ and benzene-1,3-dicarboxylic acid $(H_2BDC)$ in the presence of 1,2-bis(4-pyridyl)ethane gave a 2-D lanthnum-BDC coordination polymer with an empirical formula of $〔La_4$(BDC)_6(H_2O)_5$〕(H_2O)$ (1). X-ray structure analysis of compound 1 revealed that this polymer contains four distinct La metals. The three La metals are 7-coordinate with three different structures: a capped trigonal prism, a capped octahedron, and a pentagonal bipyramid. The remaining La metal has a 8-coordinate, square antiprismatic structure.

1,2-Bis(4-pyridyl)ethane 존재 하에서, $La(NO_3)_3{\cdot}6H_2O$와 benzene-1,3-dicarboxylic acid($H_2$BDC)가 수열반응하여 〔$La_4$$(BDC)_6$$($H_2$O)_5$〕($H_2$O) (1) 실험식을 갖는 2차원 lanthanum-BDC 배위 고분자가 합성되었다. 화합물의 1의 구조 분석 결과, 이 고분자는 분명히 구별되는 4개의 La금속들을 함유하고 있었다. 3개의 La금속들은 7-배위를 하고 있으며, 이들은 "모자 씌운(capped)"삼각 프리즘, "모자 씌운" 정팔면체, 그리고 오각쌍뿔등의 다른 구조들을 가지고 있다. 나머지 La금속은 8-배위, 사각 반프리즘 (antiprismatic)구조를 가지고 있다.

Keywords

References

  1. Crystal Engineering: The Design of Organic Solids v.54 Desiraju, G. R.
  2. Chem. Mater. v.11 no.2633 Barton, T. J.;Bull, L. M.;Klemperer, W. G.;Loy, D. A.;McEnaney, B.;Misono, M.;Monson, P. A.;Pez, G.;Scherer, G. W.;Vartuli, J. C.;Yaghi, O. M.
  3. Inorg. Chem. v.35 no.2396 Baggio, R.;Garland, M. T.;Perec, M.;Vega, D.
  4. Bull. Korean Chem. Soc. v.22 no.531 Min, D. W.;Yoon, S. S.;Lee, C. W.;Lee, C. Y.;Suh, M. K.;Hwang, Y. J.;Han, W. S.;Lee, S. W.
  5. Inorg. Chem. Comm. v.4 no.297 Min, D. W.;Yoon, S. S.;Lee, J. H.;Suh, M. K.;Lee, S. W.
  6. Bruker, SHELXTL Structure Determination Software Programs;
  7. Spectrometric Identification of Organic Compounds, (6th Ed.) Silverstein, R. M.;Webster, F. X.
  8. Inoranic Chemistry: Principles of Struture and Reactivity, (4th Ed.) Huheey, J. E.;Keiter, E. A.;Keiter, R. L.