Compounds of tin: general trends

Harrison, P. G.

doi:10.1007/978-94-011-4938-9_2

Cited by 12 publications

(10 citation statements)

References 338 publications

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“…The chlorine atoms Cl (2) and Cl(4) can be regarded as non-bridging, although the Sn (2)ϪCl (2) [3.320(2) Å (9), 3.248 (2) Å (12)] and Sn (3)ϪCl (3) [3.326(3) Å (9), 3.272 (2) Å (12)] distances are shorter than the sum of the van der Waals radii of tin and chlorine (3.97 Å ). [24] The Sn (1)ϪCl (2) and Sn (4)ϪCl (3) bond lengths are 2.434(2) and 2.488(2) Å (9), respectively, and 2.478(2) and 2.474(2) Å (12), respectively, which are slightly longer than the SnϪCl single bond length of 2.39 Å . [22] An equilibrium between tetrameric double ladder structures (n ϭ 4) and dimers (n ϭ 2) has been previously reported for CHCl 3 solutions of the tetramethylene-bridged tetraorganodistannoxanes…”

Section: Resultsmentioning

confidence: 92%

The First Spacer-Bridged Tetraorganodistannoxanes with a Mixed Double Ladder Structure

Mehring¹,

Paulus²,

Zobel³

et al. 2001

Eur. J. Inorg. Chem.

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The reaction of Me 3 SiCH 2 Cl 2 Sn(CH 2 ) 3 SnCl 2 Ph (6) with (tBu 2 SnO) 3 gave a statistical mixture of the corresponding tetraorganodistannoxanes whereas the reaction of the spacer-bridged ditin tetrachlorides RCl 2 Sn(CH 2 ) 4 SnCl 2 R (3, R = Me 3 CCH 2 ; 4, R = Me 2 CHCH 2 ; 10, R = Me 3 SiCH 2 ) with the polymeric spacer-bridged ditin oxides [R(O)Sn(CH 2 ) 4 -Sn(O)R] n (7, R = Me 2 CHCH 2 ; 8, R = Me 3 CCH 2 ; 11, R = Me 3 SiCH 2 ) provided the mixed double ladder compounds [ ‡] This work contains parts of the Diploma thesis of M. Mehring, Dortmund University, 1995, and of the planned Ph. D. thesis of I. Paulus. [a]

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Section: Resultsmentioning

confidence: 92%

The First Spacer-Bridged Tetraorganodistannoxanes with a Mixed Double Ladder Structure

Mehring¹,

Paulus²,

Zobel³

et al. 2001

Eur. J. Inorg. Chem.

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“…1. a point. This coordination is also referred to as distorted pseudo-trigonal bipyramidal (Harrison 1998). The tin and oxygen atoms form clusters with stoichiometry [Sn 6 O 8 ] 4-, whose geometry approximates that of a deltoid dodecahedron, {hll} in point group 3m (Fig.…”

Section: Description Of the Structuresmentioning

confidence: 99%

THE STRUCTURES OF TWO NOVEL Sn2+ OXYSALTS FOUND WITH ROMARCHITE AND HYDROROMARCHITE AS CORROSION PRODUCTS OF PEWTER ARTIFACTS

Locock¹,

Ramik²,

Back³

2006

The Canadian Mineralogist

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“…Chemically, however, gray tin falls marginally on the metal side of the line given tin is ordinarily regarded as chemically weak metal rather than a chemically weak nonmetal. 37,39 Similar to gray tin, there are a number of other elements that are mentioned in the literature as being "near metalloidal", showing metalloid(al) character, or having metalloid-like or some metallic characteristics. Examples include graphitic carbon 40,41 (a semimetal along its basal plane; a semiconductor along its edge plane), black phosphorus 42−44 (a semiconductor), and bismuth 45,46 (a semimetal).…”

Section: ■ Selenium Polonium and Astatinementioning

confidence: 99%

“…Physically, gray tin could be viewed as a metalloid (silvery metallic appearance; brittle; moderate conductivity, increasing with temperature; semimetal band structure). Chemically, however, gray tin falls marginally on the metal side of the line given tin is ordinarily regarded as chemically weak metal rather than a chemically weak nonmetal. , …”

Section: Gray Tin and Other Metalloid-like Elementsmentioning

confidence: 99%