| Synthesis and Crystal Structure of [(ArO)_2(THF)Sm(μ-OH)]_2·2THF(Ar=C_6H_(2-)~tBu_3-2,4,6) |
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| 引用本文： | YUAN Fu-Gen GONG Jing (Department of Chemistry,University of Science and Technology of Suzhou,Suzhou 215009,China). Synthesis and Crystal Structure of [(ArO)_2(THF)Sm(μ-OH)]_2·2THF(Ar=C_6H_(2-)~tBu_3-2,4,6)[J]. 结构化学, 2005, 0(7) |
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| 作者姓名： | YUAN Fu-Gen GONG Jing (Department of Chemistry University of Science and Technology of Suzhou Suzhou 215009 China) |
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| 作者单位： | Department of Chemistry，University of Science and Technology of Suzhou，Suzhou 215009，China |
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| 基金项目： | The project was supported by the Qinglan Foundation of Jiangsu Province (HB2001-27)the Foundation of Educational Ministry of Jiangsu Province (04KJD560171) |
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| 摘 要： | 1 INTRODUCTION Sm(II) chemistry has been extensively studied due to the strong reduction potential of this 4f6 ion[1]. The transformation of unsaturated substrates by Sm (II) complexes into products with unusual structures is one of the most interesting research areas. For the successful examples reported, Sm(II) starting mate- rials were restricted primarily to cyclopentadienyl complexes[2]. The reactivity of Sm(II) complex with phenolate ligands has seldom been explored. Recen- tl…
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Synthesis and Crystal Structure of [(ArO)_2(THF)Sm(μ-OH)]_2·2THF(Ar=C_6H_(2-)~tBu_3-2,4,6) |
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| YUAN Fu-Gen GONG Jing. Synthesis and Crystal Structure of [(ArO)_2(THF)Sm(μ-OH)]_2·2THF(Ar=C_6H_(2-)~tBu_3-2,4,6)[J]. Chinese Journal of Structural Chemistry, 2005, 0(7) |
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| Authors: | YUAN Fu-Gen GONG Jing |
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| Abstract: | The title complex [(ArO)2(THF)Sm(μ-OH)]2?2THF (Ar = C6H2-tBu3-2,4,6) was obtained by the hydrolysis of divalent (ArO)2Sm(THF)3?THF in toluene. It crystallizes in monoclinic, space group P21/c with a = 14.7968(14), b = 18.6981(15), c = 16.8264(17) ?, β = 109.366(2)°, V = 4392.0(7) ?3, Z = 2, C88H150O10Sm2, Mr = 1668.78, Dc = 1.262 g/cm3, F(000) = 1764 and μ(MoKα) = 1.377 mm-1. The final R and wR are 0.0318 and 0.0749, respectively for 9038 observed reflections with I > 2σ(I). The complex possesses a dimeric structure with two centrosymmetric hydroxyl bridges. The samarium atom is coordinated by five oxygen atoms to form a distorted square pyramidal geometry with the average Sm–O(Ar) distance of 2.1757(19) ?. There are H-bond interactions be- tween the molecules. |
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| Keywords: | divalent samarium aryloxide lanthanide |
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