CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE

CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE

The structure of the title compound [Sm2(crot)6(H2O)4]2-3(H2O) (I), (crot= crotonate = butenoate = O2CCHCHCH3)] consists of two independent, centrosymmetric dimeric units, of similar composition but diverse coordination, viz., one of them doubly bridged (2×[η2:η1:μ2]) and...

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Autores principales: ATRIA,ANA MARÍA, GARLAND,MARIA TERESA, BAGGIO,RICARDO
Lenguaje:English
Publicado: Sociedad Chilena de Química 2014
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072014000300014
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spelling oai:scielo:S0717-970720140003000142014-12-15CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATEATRIA,ANA MARÍAGARLAND,MARIA TERESABAGGIO,RICARDOThe structure of the title compound [Sm2(crot)6(H2O)4]2-3(H2O) (I), (crot= crotonate = butenoate = O2CCHCHCH3)] consists of two independent, centrosymmetric dimeric units, of similar composition but diverse coordination, viz., one of them doubly bridged (2×[η2:η1:μ2]) and the remaining one quadruply bridged (2×[η1:η1:μ2], 2×[η2:η1:μ2]). The asymmetric unit is completed by three solvato water molecules, one of them depleted (occupation: 0.735 (14)). The difference in bridging strengths is readily evidenced in the two quite dissimilar Sm···Sm distances observed: 4.1402 (8)Å,(doubly bridged), 3.9439 (8)Å (quadruply bridged). SmO9 polyhedra suyvey similar coordination distances which span the range 2.388 (3)-2.611 (3)Å for one of the Sm cations and 2.357 (3)-2.588 (3)Å for the other. All water hydrogens are involved in H-bonding, leading to the formation of a strongly linked 2D structure parallel to (010). These planar arrays are in turn transversally linked by one single bridging water molecule. There are in addition C= C···C=C p interactions providing both to intra as well as intra planar cohesion. The compound is isomorphous to its Gd isologue¹, but the present description unveils a number of molecular and supramolecular details not discussed therein.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.59 n.3 20142014-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072014000300014en10.4067/S0717-97072014000300014
institution Scielo Chile
collection Scielo Chile
language English
description The structure of the title compound [Sm2(crot)6(H2O)4]2-3(H2O) (I), (crot= crotonate = butenoate = O2CCHCHCH3)] consists of two independent, centrosymmetric dimeric units, of similar composition but diverse coordination, viz., one of them doubly bridged (2×[η2:η1:μ2]) and the remaining one quadruply bridged (2×[η1:η1:μ2], 2×[η2:η1:μ2]). The asymmetric unit is completed by three solvato water molecules, one of them depleted (occupation: 0.735 (14)). The difference in bridging strengths is readily evidenced in the two quite dissimilar Sm···Sm distances observed: 4.1402 (8)Å,(doubly bridged), 3.9439 (8)Å (quadruply bridged). SmO9 polyhedra suyvey similar coordination distances which span the range 2.388 (3)-2.611 (3)Å for one of the Sm cations and 2.357 (3)-2.588 (3)Å for the other. All water hydrogens are involved in H-bonding, leading to the formation of a strongly linked 2D structure parallel to (010). These planar arrays are in turn transversally linked by one single bridging water molecule. There are in addition C= C···C=C p interactions providing both to intra as well as intra planar cohesion. The compound is isomorphous to its Gd isologue¹, but the present description unveils a number of molecular and supramolecular details not discussed therein.
author ATRIA,ANA MARÍA
GARLAND,MARIA TERESA
BAGGIO,RICARDO
spellingShingle ATRIA,ANA MARÍA
GARLAND,MARIA TERESA
BAGGIO,RICARDO
CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE
author_facet ATRIA,ANA MARÍA
GARLAND,MARIA TERESA
BAGGIO,RICARDO
author_sort ATRIA,ANA MARÍA
title CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE
title_short CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE
title_full CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE
title_fullStr CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE
title_full_unstemmed CRYSTAL STRUCTURE OF HEMIKIS(TETRAKIS(μ2-2-BUTENOATO)-BIS(2-BUTENOATO)-TETRA-AQUA-DI-SAMARIUM) HEMIKIS(BIS(μ2-BUTENOATO)-TETRAKIS(2-BUTENOATO) TETRA AQUA-DI-SAMARIUM) TRIHYDRATE
title_sort crystal structure of hemikis(tetrakis(μ2-2-butenoato)-bis(2-butenoato)-tetra-aqua-di-samarium) hemikis(bis(μ2-butenoato)-tetrakis(2-butenoato) tetra aqua-di-samarium) trihydrate
publisher Sociedad Chilena de Química
publishDate 2014
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072014000300014
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AT garlandmariateresa crystalstructureofhemikistetrakis95622butenoatobis2butenoatotetraaquadisamariumhemikisbis9562butenoatotetrakis2butenoatotetraaquadisamariumtrihydrate
AT baggioricardo crystalstructureofhemikistetrakis95622butenoatobis2butenoatotetraaquadisamariumhemikisbis9562butenoatotetrakis2butenoatotetraaquadisamariumtrihydrate
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