A reinvestigation of the structures of organotin sulphates and chromates, including the crystal and molecular structure of bis(trimethyltin) sulphate dihydrate

Molloy, Kieran C.; Quill, K.; Cunningham, Desmond; McArdle, Patrick; Higgins, Tim

doi:10.1039/dt9890000267

Cited by 25 publications

(9 citation statements)

References 5 publications

(7 reference statements)

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confidence: 78%

“…Such asymmetry is also observed in bis(2,6-dimethylphenoxy)trimethylstannate (Suzuki, Son, Noyori & Masuda, 1990). The three Sn---C bond lengths are nearly equal, ranging from 2.101 (5) to 2.108 (4)A [mean value 2.104 (4)A], and are in good agreement with the corresponding distances reported in the literature (see Molloy, Quil, Cunningham, McArdle & Higgins, 1989).In the 2,2'-bipyridyl-4,4'-dicarboxylate ligand, the central 2,2'-bipyridyl fragment is perfectly planar and in a transoid conformation, as can be seen from the N--C(5)--c(5i)--N i torsion angle of 180.0(1) °, creating, via the carboxylate-tin bond, a two-dimensional molecular network. The carboxylate fragment makes an interplanar angle of 15.8 (1) ° with the 2,2'-bipyridyl plane.…”

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Poly[trans-bis{trimethyltin(IV)}-μ-(2,2'-bipyridyl-4,4'-dicarboxylato-O:O':O'':O''')]. A Layered Structure Composed of Sheets Interconnected by Organometallic Moieties

Stocco¹,

Guli²,

Girasolo³

et al. 1996

Acta Crystallogr C

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In the solid state, the title compound, [Sn2(C~2H6N204)-(CH3)6], forms a two-dimensional polymer, which is developed parallel to the crystallographic 21 screw axis [Sn2(C! 2H6N204)(CH3)6] of the P21/n space group. The Sn atom shows normal trans pentagonal-bipyramidal coordination geometry and forms two bonds of different length, 2.145 (2) and 2.519(2),~,, with the two trans 0 atoms. The carboxylate group bonds two organometallic moieties in a bridging bidentate fashion with a syn--anti configuration. Comment2,2'-Bipyridine has been used extensively as a ligand in both analytical and synthetic coordination chemistry (Reedijk, 1987) and has been incorporated in macrocycles. Polypyridine ligands display a variety of interesting complexation properties and have been used extensively in the synthesis of photosensitive and electroactive metal ion (particularly ruthenium) complexes (Juris, Balzani, Barigelletti, Campagna, Belser & Von Zelewsky, 1988). Monomeric complexes of the general formula cis-di(X)bis (2,2'-bipyridyl-4,4'-dicarboxylato)ruthenium(II) (where X is chloro, bromo, iodo, cyanato, thiocyanato) have been reported which have been shown to act as efficient charge-transfer sensitizers for nanocrystalline TiO2 films (Nazeeruddin, Kay, Rodicio, Humphry-Baker, Muller, Liska, Vlachopoulos & Gratzel, 1993). A pendant polymer complex of ruthenium(II) attached to a vinyl-2, 2'-bipyridyl network has been described and its luminescence and redox properties investigated (Sun & De Armond, 1994). The title compound, in which trimethyltin(IV) moieties interconnect 2,2'-bipyridyl-4,4'-dicarboxylate units in a twodimensional polymer, (1), offers a promising substrate for the synthesis of metal complex polymers possessing catalytic, redox and photoredox properties.A drawing of the monomeric unit with the atomic numbering scheme is shown in Fig. 1, while Fig. 2 shows the polymer layer constituting the threedimensional crystal packing of the solid. The central pentacoordinated Sn TM atom has distorted trigonal bipyramidal geometry, with the three methyl groups in the equatorial plane; the Sn atom is displaced by 0. Table 2). Atoms are represented by displacement ellipsoids at the 40N probability level. The H-atom size is arbitrary. The coordination environment about the Sn atom is of the trans-O2SnC3 type, with a structural motif which is common for polymeric tin(IV) carboxylates (Tiekink, 1991). The trans Sn---O bond distances are different: 2.145(2) and 2.519 (2) ,~, for Sn--O (1) and Sn--O ii, respectively [symmetry code as in Table 2]. Corresponding asymmetry is observed in the C--GIANCARLO STOCCO et al. 831O bonds of the carboxylate groups, the shorter one [1.230 (4)A,] being trans to the longer Sn--O ii bond, while the longer bond [C--O(1) 1.281 (4) ~,] is opposite the shorter Sn--O bond. This suggests that partial double-bond character is preserved in the C--O bond coordinatively bonded to tin (longer Sn----O distance), while the O atom formally singly bonded to the C atom of the RCOO group seems to be cova...

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confidence: 78%

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confidence: 78%

Poly[trans-bis{trimethyltin(IV)}-μ-(2,2'-bipyridyl-4,4'-dicarboxylato-O:O':O'':O''')]. A Layered Structure Composed of Sheets Interconnected by Organometallic Moieties

Stocco¹,

Guli²,

Girasolo³

et al. 1996

Acta Crystallogr C

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“…The four Si-O-Si cage edges parallel to the distortion axis accommodate this elongation by opening up the Si-O-Si angles around oxygen until they are close to linear (average Table 1 Crystal data and structure refinement for compounds I-III (5) 13.6919(5) b (Å ) 11.569 (3) 12.0644 (6) 26.567 (7) 14.1160(5) c (Å ) 13.258 (3) 12.3545 (6) 28.037 (7) 14.2380 (5) Si (4) Si (2) Si (1) Si (3) Sn (4) Sn (2) Sn (3) Sn ( Si (4) Si (2) Si (1) Si (3) Sn (4) Sn (2) Sn ( (2)-O(11) 2.799 Å ) to two tin atoms of trimethyl tin groups in the crystal and positioned trans to the terminal oxygens of the cage (Fig. 1) [62][63][64][65][66][67][68][69][70][71]. The three methyl groups are almost coplanar with the tin atom in each case producing a trigonal bipyramidal coordination geometry around tin.…”

Section: Structural Characterization Of Simentioning

confidence: 99%

Synthesis and structure of functional spherosilicate building block molecules for materials synthesis

Clark

Saengkerdsub

Eldridge

et al. 2006

Journal of Organometallic Chemistry

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“…In the course of our research work on the coordination ability of oxyanions we have recently reported the crystal structures of (SnMe 3 ) 2 SeO 3 AE H 2 O [6] and SnMe 3 C 2 O 4 AE 2H 2 O [7] which compliment the known structures of R 3 SnCO 3 (R ¼ Me, Bu) [8,9], SnMe 3 SO 4 AE 2H 2 O [10] and SnMe 3 NO 3 AE H 2 O [11]. In addition to their inherent interest as novel organotin species, such formulations also have a wider implication for supramolecular organometallic chemistry [12].…”

Section: Introductionmentioning

confidence: 68%

Synthesis, spectroscopic studies and crystal structure of (Et4N)(SnMe3)7(HAsO4)4·2H2O

Diasse-Sarr

Barry

Jouini

et al. 2004

Journal of Organometallic Chemistry

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A reinvestigation of the structures of organotin sulphates and chromates, including the crystal and molecular structure of bis(trimethyltin) sulphate dihydrate

Cited by 25 publications

References 5 publications

Poly[trans-bis{trimethyltin(IV)}-μ-(2,2'-bipyridyl-4,4'-dicarboxylato-O:O':O'':O''')]. A Layered Structure Composed of Sheets Interconnected by Organometallic Moieties

Poly[trans-bis{trimethyltin(IV)}-μ-(2,2'-bipyridyl-4,4'-dicarboxylato-O:O':O'':O''')]. A Layered Structure Composed of Sheets Interconnected by Organometallic Moieties

Synthesis and structure of functional spherosilicate building block molecules for materials synthesis

Synthesis, spectroscopic studies and crystal structure of (Et4N)(SnMe3)7(HAsO4)4·2H2O

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