ICCAS OpenIR
Synthesis, spectroscopic characterization of bis-[oxo-bis(4-ferrocenylbenzoato dialkyltin (IV))] and crystal structural studies of the former compound
Lu, WG; Tao, JX; Wang, YZ; Lu, Y; Zhao, B; Zheng, QT
2000-04-01
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume21Issue:4Pages:501-508
AbstractIn this paper; the novel compounds {[(n-Bu)(2)Sn(4-Fc-C6H4COO)](2)O}(2) (1) and {[(n-Oct)(2)Sn(4-Fc-C6H4COO)](2)O}(2) (2) (Fc = ferrocenyl) have been synthesized and characterized by elemental analysis, IR and NMR (H-1, C-13 and Sn-119) spectroscopy. The crystal structure of compound 1 has been determined by single crystal X-ray diffraction techniques. The crystal belongs to monoclinic with space group P2(1)/c. The cell parameters are: a = 1.298 8(1) nm, b = 2.465 5(1) nm, c = 3. 450 6 (1) nm, beta = 91.556(2)degrees, V = 11. 045 4(1) nm(3), Z = 4. The structure was refined to final R-f = 0.071, R-w = 0.074. Compound 1 is a dimer structure mode with a four-member central endo-cyclic Sn2O2 unit in which the bridged oxygen atoms are tri-coordinated. Each bridged oxygen atom also connects an exo-cyclic tin atom. Both endo- and exo-cyclic tin atoms are all five-coordination and have coordination geometry of monocapped trigonal bipyramid with very similarly distorted mode. Four carboxylate ligands are divided into two types. Two of the carboxylate ligands are bidentate and bridging to each pair of exo- and endocyclic tin atoms by using both oxygen atoms. The others are monodentate and coordinate each exo-cyclic tin atom. When considering further the longer distance interactions between the carboxyl oxygen in carboxylate ligand and endo-cyclic tin atom (0. 277 5-0. 286 6 nm) and between the ester oxygen in carboxylate ligand and exo-cyclic tin atom (0. 298 0-0. 300 6 nm), not only carboxylate ligand chelates to exo-cyclic tin by anisobidentate mode but also their ester oxygen itself is tricoordinated and bridges to both endo- and exo-cyclic tin atoms. In compound 1, the coplanarity of two conjugate systems (benzoyloxy group and substituted Cp ring) is not good. And two conjugate systems can not be coplanar with the central endo-cyclic Sn2O2 unit. Unlike the general compounds characteristic of {[R2Sn(O2CR')](2)O}(2), there is no center of symmetry in the molecule structure of compound 1.
KeywordDialkyltin Carboxylate Ferrocene Spectroscopic Characterization Crystal Structure
Indexed BySCI
Language英语
WOS IDWOS:000086574700002
PublisherHIGHER EDUCATION PRESS
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76458
Collection中国科学院化学研究所
Corresponding AuthorTao, JX
Affiliation1.Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
3.Chinese Acad Med Sci, Peking Union Med Coll, Inst Mat Med, Beijing 100050, Peoples R China
Recommended Citation
GB/T 7714
Lu, WG,Tao, JX,Wang, YZ,et al. Synthesis, spectroscopic characterization of bis-[oxo-bis(4-ferrocenylbenzoato dialkyltin (IV))] and crystal structural studies of the former compound[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2000,21(4):501-508.
APA Lu, WG,Tao, JX,Wang, YZ,Lu, Y,Zhao, B,&Zheng, QT.(2000).Synthesis, spectroscopic characterization of bis-[oxo-bis(4-ferrocenylbenzoato dialkyltin (IV))] and crystal structural studies of the former compound.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,21(4),501-508.
MLA Lu, WG,et al."Synthesis, spectroscopic characterization of bis-[oxo-bis(4-ferrocenylbenzoato dialkyltin (IV))] and crystal structural studies of the former compound".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 21.4(2000):501-508.
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