Proton-Conducting Hydrogen-Bonded Framework of a Cobalt(II) Single-Ion Magnet Sulfonate
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Diamagnetic
metal
sulfonates
have
been
widely
reported,
while
paramagnetic
species
are
very
rare,
especially
those
that
exhibit
interesting
magnetic
and/or
proton
conduction
properties.
Herein,
we
report
the
synthesis,
structure,
magnetic,
and
proton-conducting
properties
of
a
hydrogen-bonded
cobalt(II)
organosulfonate
complex.
The
coordination
self-assembly
CoII
salts
8-quinolinesulfonic
acid
ligands
affords
mononuclear
sulfonate
featuring
both
coordinated
noncoordinated
sulfonic
O
atoms
axial
water
molecules.
Notably,
units
further
connected
by
short
S–O···H–O
hydrogen-bonding
interactions
between
SO3–
H2O,
leading
to
three-dimensional
(3D)
network.
This
exhibits
superior
thermal
stability,
as
proved
variable-temperature
single-crystal
powder
X-ray
diffraction
thermogravimetric
analysis
(TGA)
analysis.
Variable-temperature
variable
humidity
ac
impedance
spectroscopy
indicated
this
cobalt
is
good
superionic
conductor
with
highest
measured
conductivity
1.5
×
10–3
S
cm–1
at
90
°C
under
97%
relative
humility,
originating
from
1D
zigzag
chains.
In
addition,
field-induced
slow
relaxation
was
observed
via
dynamic
susceptibility
measurements.
These
results
show
not
only
first
Co(II)
single-ion
magnet
but
also
″magnetic
anisotropic
ion-organosulfonate-coordinated
water″
approach
for
design
preparation
bifunctional
metalo-hydrogen-bonded
organic
framework
(MHOF)
materials.
Язык: Английский
Two Stable Bifunctional Zinc Metal–Organic Frameworks with Luminescence Detection of Antibiotics and Proton Conduction
Zhi-Lin Mu,
Yi-Qing Ma,
Yibin Zhu
и другие.
Inorganic Chemistry,
Год журнала:
2023,
Номер
62(49), С. 20314 - 20324
Опубликована: Ноя. 22, 2023
Functionalized
crystalline
solids
based
on
metal-organic
frameworks
(MOFs)
enable
efficient
luminescence
detection
and
high
proton
conductivity,
making
them
crucial
in
the
realms
of
environmental
monitoring
clean
energy.
Here,
two
structurally
functionally
distinct
zinc-based
MOFs,
[Zn(TTDPa)(bodca)]·H2O
(1)
[Zn(TTDPb)(bodca)]·H2O
(2),
were
successfully
designed
synthesized
using
3,6-di(pyridin-4-yl)thieno[3,2-b]thiophene
(TTDPa)
2,5-di(pyridin-4-yl)thieno[3,2-b]thiophene
(TTDPb)
as
ligands,
presence
bicyclo[2.2.2]octane-1,4-dicarboxylic
acid
(H2bodca).
Both
1
2
display
a
three-dimensional
(3D)
structure
with
5-fold
interpenetration,
notably,
forms
larger
one-dimensional
pore
measuring
17.16
×
10.81
Å2
size.
Fluorescence
experiments
demonstrate
that
can
function
luminescent
sensors
for
nitrofurantoin
(NFT)
nitrofurazone
(NFZ)
low
limits,
remarkable
selectivity,
good
recyclability.
A
comprehensive
analysis
was
conducted
to
investigate
differing
sensing
effects
compounds
explore
potential
mechanisms.
Additionally,
at
328
K
98%
relative
humidity,
exhibit
conductivity
values
2.13
10-3
4.91
S
cm-1,
respectively,
suitable
proton-conducting
materials.
Hence,
integration
monophasic
3D
Zn-MOFs
holds
significant
application
intelligent
multitasking
devices.
Язык: Английский
Metal Effect on the Proton Conduction of Three Isostructural Metal–Organic Frameworks and Pseudo-Capacitance Behavior of the Cobalt Analogue
Meng-Qian Yu,
Cai-Yi Yang,
Lian-Jun Dong
и другие.
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 29, 2024
Three
isostructural
transition
metal-organic
frameworks,
[M(bta)
Язык: Английский
Terphenyl-Tricarboxylate Coordination Polymers: From Hydrothermal Assembly to Structural Diversity and Catalytic Application
Crystal Growth & Design,
Год журнала:
2024,
Номер
24(21), С. 9207 - 9222
Опубликована: Окт. 9, 2024
An
aromatic
tricarboxylic
acid
building
block,
[1,1′:3′,1″-terphenyl]-4,4″,5′-tricarboxylic
(H3tptca),
was
used
as
a
versatile
linker
for
assembling,
under
hydrothermal
conditions,
series
of
12
new
coordination
polymers
(CPs)
in
the
presence
supporting
N-donor
ligands
acting
mediators
crystallization.
The
obtained
products
were
formulated
[Mn(μ-Htptca)(phen)2]n·nH2O
(1),
[Zn(μ-Htptca)(2,2′-bipy)(H2O)]n·nH2O
(2),
[Ni(μ3-Htptca)(μ-4,4′-bipy)]n·2nH2O
(3),
[Co(μ3-Htptca)(μ-bpe)]n
(4),
[M3(μ3-tptca)2(phen)3(H2O)2]n·2nH2O
(M
=
Co
(5),
Zn
(6)),
[Co2(μ4-tptca)(μ-OH)(2,2′-bipy)2]n
(7),
[Zn3(μ3-tptca)2(2,2′-bipy)3(H2O)2]n·4nH2O
(8),
{[Cd(H2biim)3][Cd2(μ3-tptca)(μ5-tptca)]}n
(9),
[Co2(μ4-tptca)(μ-bpa)(μ3-OH)(H2O)2]n·nH2O
(10),
[Ni3(μ3-tptca)2(μ-bpa)3(H2O)4]n·5nH2O
(11),
and
[Co2(μ4-tptca)(μ-bpb)(μ-OH)]n
(12),
wherein
phen,
2,2′-bipy,
4,4′-bipy,
bpe,
H2biim,
bpa,
bpb
are
1,10-phenanthroline,
2,2′-
4,4′-bipyridine,
1,2-di(4-pyridyl)ethane,
2,2′-biimidazole,
bis(4-pyridyl)amine,
1,4-bis(pyrid-4-yl)benzene,
respectively.
Crystal
structures
CPs
1–12
reveal
broad
diversity
metal–organic
networks
that
range
from
1D
chains
(1,
2,
5,
6,
8)
to
2D
layers
(3,
4,
7,
9,
11)
3D
nets
(10
12),
including
examples
interpenetrated,
polycatenated,
topologically
unique
architectures.
Structural
features
catalytic
properties
studied
discussed.
In
particular,
Zn(II)
CP
8
acts
an
efficient
recyclable
heterogeneous
catalyst
mild
cyanosilylation
benzaldehydes,
leading
formation
corresponding
cyanohydrin
up
99%
yields.
compounds
widen
growing
family
functional
driven
by
terphenyl-tricarboxylate
linkers.
Язык: Английский