Polymeric di-n-butyl(glutarato)tin(IV)

Abstract

The crystal structure of catena‐poly­[[di‐n‐butyl­tin(IV)]‐μ‐glutarato], [Sn(C4H9)2(C5H6O4)], is composed of polymeric chains formed by coordination of glutarate, through both ends, to di‐n‐butyl­tin. The geometry around the hexacoordinated Sn atom is highly distorted octahedral, and may best be described as based on a skew‐trapezoidal planar geometry. The symmetry‐related glutarate ligands are asymmetrically coordinated to the Sn atoms, with Sn—O distances of 2.138 (2) and 2.483 (2) Å. The Sn—C distance involving the n‐butyl group is 2.124 (3) Å.

Bis[2,3-bis(4-chlorophenyl)propenoato-κ2O,O′]dimethyltin(IV)

“…The propenoate ligands are asymmetrically coordinated to the Sn atoms, with short SnÐO covalent bonds [2.116 (2) and 2.127 (2) A Ê ] and long dative bonds [2.544 (2) and 2.491 (2) A Ê ]. These bond distances are very similar to the corresponding distances reported in some similar organotin compounds (Hans et al, 2002;Stocco et al, 1996;Gielen et al, 1998;Gibson et al, 1997;Parvez et al, 1997Parvez et al, , 2000Ramirez et al, 2002). The orientation of the benzene rings in the two ligands differs signi®cantly.…”

Bis[2,3-bis(4-chlorophenyl)propenoato-κ2O:O′]di-n-butyltin(IV)

“…The carboxylate ligands are asymmetrically coordinated to the Sn atoms, with SnÐO covalent bonds [mean 2.098 (6) A Ê ] that are signi®cantly shorter than the dative bonds [mean 2.602 (12) A Ê ]. These bond distances are also very similar to the corresponding distances reported in related organotin compounds (Hans et al, 2002;Stocco et al, 1996;Gielen et al, 1998;Gibson et al, 1997;Parvez et al, 2000;Ramirez et al, 2002;Parvez et al, 1997;Sadiq-ur-Rehman et al, 2004).…”

Rational Design of Organotin Polyesters

“…Consequently, motif α is characterized by one-dimensional chains held together by the long-range dispersion interactions. In a number of organotin compounds, e.g., organotin carboxylates, dibutanidobis­(2,4,6-trimethylbenzoato)­tin, and di- n -butyl­(glutarato)­tin­(IV), this motif has been reported. − A quantitative examination reveals that the characteristic bond lengths and bond angles predicted for p­[DMT­(CH 2 ) n ] (specifically for p­(DMTGlu) agree very well with those measured in the related compounds. , In the so-called motif β (interchain), four Sn–O bonds link the central tin atom with four different carboxyl groups, two of them belonging to the same chain (repeat unit) while the other two bonds come from other chains. Therefore, motif β is characterized by patterns of two-dimensional layers.…”