Document Detail

MedLine Citation:
PMID:  11250567     Owner:  NLM     Status:  MEDLINE    
N-(Phosphonomethyl)glycine, glyphosate, reacts with bis(tributyltin) oxide to form a ligand--tin (1:3) complex in which all five O atoms are coordinated to tin. The complex, [Sn(3)(C(4)H(9))(9)(C(3)H(5)NO(5)P)], is polymeric, with the glyphosate and two tributyltin groups forming a two-dimensional network and with the third Sn atom alternately above and below the plane of the net. The Sn atoms in the network have a trigonal-bipyramidal coordination, with O atoms in the axial positions and C atoms in the equatorial positions; the pendant tributyltin group is tetrahedrally coordinated to one O atom and to three butyl groups. Sn--O distances vary from 2.030 (3) to 2.408 (3) A. The Sn--O distances for O atoms trans to carboxylate groups are shorter than those trans to phosphonate groups and d(Sn--O) decreases with increasing d(C/P--O) (Delta(Sn--O) approximately -4.6 Delta(C/P--O)). The amino N atom in the ligand is neither protonated nor involved in coordination to the Sn atoms.
L E Khoo; A Hazell
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta crystallographica. Section C, Crystal structure communications     Volume:  57     ISSN:  0108-2701     ISO Abbreviation:  Acta Crystallogr C     Publication Date:  2001 Mar 
Date Detail:
Created Date:  2001-03-16     Completed Date:  2001-06-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8305826     Medline TA:  Acta Crystallogr C     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  254-6     Citation Subset:  IM    
National Institute of Education, 1 Nanyang Walk, Singapore 637616, Singapore.
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MeSH Terms
Crystallography, X-Ray
Glycine / analogs & derivatives,  chemical synthesis,  chemistry*
Models, Molecular
Molecular Conformation
Organotin Compounds / chemical synthesis,  chemistry*
Reg. No./Substance:
0/Organotin Compounds; 0/Polymeric(mu(3)-(N-phosphonomethyl)-glycinato)tris(tri-n-butyltin); 56-40-6/Glycine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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