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@ARTICLE{Antonova:22327,
author = {Antonova, E. and Näther, C. and Kögerler, P. and Bensch,
W.},
title = {{E}xpansion of {A}ntimonato {P}olyoxovanadates with
{T}ransition {M}etal {C}omplexes:
({C}o({N}3{C}5{H}15)2)2[{{C}o({N}3{C}5{H}15)2}{V}15{S}b6{O}42({H}2{O})]·5{H}2{O}
and
({N}i({N}3{C}5{H}15)2)2[{{N}i({N}3{C}5{H}15)2}{V}15{S}b6{O}42({H}2{O})]·8{H}2{O}},
journal = {Inorganic chemistry},
volume = {43},
issn = {0020-1669},
address = {Washington, DC},
publisher = {American Chemical Society},
reportid = {PreJuSER-22327},
pages = {2311 - 2317},
year = {2012},
note = {Financial support by the State of Schleswig-Holstein is
gratefully acknowledged.},
abstract = {Two new polyoxovanadates (Co-(N3C5H15)(2))(2)[{
Co(N3C5H15)(2)}V15Sb6O42(H2O)center dot 5H(2)O (1) and
(Ni(N3C5H15)(2))(2) [{Ni(N3C5H15)(2)} V15Sb6O42(H2O)]center
dot 8H(2)O (2) (N3C5H15 =
N-(2-aminoethyl)-1,3-propanediamine) were synthesized under
solvothermal conditions and structurally characterized. In
both structures the [V15Sb6O42(H2O)](6-) shell displays the
main structural motif, which is strongly related to the
{V18O42} archetype cluster. Both compounds crystallize in
the triclinic space group P (1) over bar with a =
14.3438(4), b = 16.6471(6), c = 18.9186(6) angstrom, alpha =
87.291(3)degrees, beta = 83.340(3)degrees, gamma =
78.890(3)degrees, and V = 4401.4(2) angstrom(3) (1) and a =
14.5697(13), b = 15.8523(16), c = 20.2411(18) angstrom,
alpha = 86.702(11)degrees, beta = 84.957(11)degrees, gamma =
76.941(11)degrees, and V = 4533.0(7) angstrom(3) (2). In the
structure of 1 the [V15Sb6O42(H2O)](6-) cluster anion is
bound to a [Co(N3C5H15)(2)](2+) complex via a terminal
oxygen atom. In the Co2+-centered complex, one of the amine
ligands coordinates in tridentate mode and the second one in
bidentate mode to form a strongly distorted CoN5O
octahedron. Similarly, in compound 2 an analogous NiN5O
complex is joined to the [V15Sb6O42(H2O)](6-) anion via the
same attachment mode. A remarkable difference between the
two compounds is the orientation of the noncoordinated
propylamine group leading to intermolecular Sb center dot
center dot center dot O contacts in 1 and to Sb center dot
center dot center dot N interactions in 2. In the
solid-state lattices of 1 and 2, two additional
[M(N3C5H15)(2)](2+) complexes act as countercations and are
located between the [{M(N3C5H15)(2)}V15Sb6O42(H2O)](4-)
anions. Between the anions and cations strong N-H center dot
center dot center dot O hydrogen bonds are observed. In both
compounds the clusters are stacked along the b axis in an
ABAB fashion with cations and water molecules occupying the
space between the clusters. Magnetic characterization
demonstrates that the Ni2+ and Co2+ cations do not
significantly couple with the S = 1/2 vanadyl groups. The
susceptibility data can be successfully reproduced assuming
a distorted ligand field for the Co2+ ions (1) and an
O-h-symmetric Ni2+ ligand field (2).},
keywords = {J (WoSType)},
cin = {PGI-6},
ddc = {540},
cid = {I:(DE-Juel1)PGI-6-20110106},
pnm = {Grundlagen für zukünftige Informationstechnologien},
pid = {G:(DE-Juel1)FUEK412},
shelfmark = {Chemistry, Inorganic $\&$ Nuclear},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000300466300042},
doi = {10.1002/chin.201217015},
url = {https://juser.fz-juelich.de/record/22327},
}