Porous Metallophilic Frameworks Incorporating Metal–Organic Chains as Humidity Sensors Exploring Uranyl Photoluminescence
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Abstract
Luminescent
coordination
polymers,
including
metal–organic
frameworks,
serve
as
a
platform
for
optical
sensing
of
physical
and
chemical
stimuli,
temperature
or
pressure
the
former,
gases,
solvent
vapors,
explosives,
toxic
species,
etc.
latter.
The
related
materials
built
uranyl
cations,
UO
2
2+
,
remain
unexplored,
despite
their
tunable
photoluminescence.
While
recently,
bimetallic
supramolecular
systems
cyanido
metal
complexes
have
proven
successful
pathway
toward
stimuli‐responsive
materials,
combination
with
species
is
limited.
Here,
construction
novel
uranyl‐based
demonstrating
distinct
sensitivity
emission
to
vapors
reported,
which
achieved
by
generating
metal–organic,
i.e,
uranyl–2,4′‐bipyridine‐
N,N
’‐dioxide,
chains
that
are
arranged
into
porous
framework
metallophilic
interactions
between
attached
tetracyanidometallates(II),
[M
II
(CN)
4
]
2−
(M
=
Pd,
1
;
Pt,
).
Both
resulting
reveal
reversible
single‐crystal‐to‐single‐crystal
transformation
upon
removal
crystallization
molecules,
due
flexibility
forming
resembling
MOF‐74.
presence
infinite
channels
introduces
capabilities
water
while
emissive
character
leads
humidity‐variable
characteristics,
strong
variation
in
intensity
lifetime.
obtained
exhibit
repeatable
adsorption
meeting
criteria
luminescent
sensors.
Language: Английский
γ-Radiation synthesis of bis-amidoxime-based three-dimensional hydrogel uranium adsorbent based on nano-rubber toughening
Journal of Water Process Engineering,
Journal Year:
2025,
Volume and Issue:
71, P. 107280 - 107280
Published: Feb. 19, 2025
Language: Английский
Preface to the special issue of the 13th international symposium on nano & supramolecular chemistry (ISNSC-13)
Journal of Inclusion Phenomena and Macrocyclic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 24, 2025
Language: Английский
Ion Pair Effects of Zwitterionic Ni/Pd Allyl Complexes Bearing an α-Sulfonate-β-diimine Ligand by Binding of B(C6F5)3 on Norbornene Polymerization
Donghui Li,
No information about this author
Handou Zheng,
No information about this author
Heng Gao
No information about this author
et al.
Organometallics,
Journal Year:
2024,
Volume and Issue:
43(20), P. 2527 - 2536
Published: Aug. 6, 2024
This
paper
initially
reports
the
remote
binding
of
B(C6F5)3
to
zwitterionic
nickel
and
palladium
allyl
complexes
bearing
an
α-sulfonate-β-diimine
ligand
ion
pair
effects
on
norbornene
polymerization.
The
coordination
reaction
lithium
salt
with
η3-allyl
nickel/palladium
chloride
dimers
produces
(Ni-1
Pd-1)
uncoordinated
sulfonate
group
tight
pairs
(M+--O–SO2
<
3
Å,
M
=
Ni
Pd).
Zwitterionic
Ni-1
Pd-1
are
inactive
without
any
additional
activators
for
After
activation
by
MAO,
shows
very
high
activity
while
exhibits
moderate
Using
as
activator,
whereas
activity.
mechanism
studies
show
that
oxygen
affords
new
Ni-2
Pd-2
loose
(M+-
-
-O–B
>
4.68
Å).
leads
less
electrophilic
metal
centers
looser
pairs.
Enhanced
polymerization
using
activator
is
a
result
effects.
Language: Английский
High photoluminescence quantum yield of a uranyl ion complex with the hemi-zwitterion 1,3-bis(carboxylatomethyl)-1H-benzimidazol-3-ium
Polyhedron,
Journal Year:
2024,
Volume and Issue:
262, P. 117172 - 117172
Published: Aug. 6, 2024
[UO2(L)2]
(1)
and
[(UO2)2(L)2(C2O4)]
(2),
where
L–
is
1,3-bis(carboxylatomethyl)-1H-benzimidazol-3-ium,
are
two
uranyl
ion
complexes
with
a
hemi-zwitterionic
dicarboxylate
ligand
which
have
been
synthesized
under
solvo-hydrothermal
conditions
characterized
by
their
crystal
structure
luminescence
properties.
In
both
cases,
the
uranium
atom
in
pentagonal-bipyramidal
environment.
Although
diperiodic
networks
formed
differences
coordination
mode
of
presence
bis-chelating
oxalate
anions
generated
situ
2
result
distinct
topologies,
hcb
(with
double
edges)
1
V2O5
2.
Parallel-displaced
π–π
interactions
occur
cases
but
particularly
prominent
While
non-emissive
excitation
at
420
nm,
gives
well-resolved
spectrum
maxima
locations
agreement
those
usual
for
O5
equatorial
environments.
A
photoluminescence
quantum
yield
∼
43
%
has
measured
solid
state,
this
being
among
highest
values
known
carboxylate
complex.
Language: Английский
4-(Ammoniomethyl)benzoate, a protic zwitterionic bifunctional linker in uranyl ion carboxylate complexes
CrystEngComm,
Journal Year:
2024,
Volume and Issue:
26(27), P. 3714 - 3725
Published: Jan. 1, 2024
The
zwitterionic
4-(ammoniomethyl)benzoate
ligand
contains
both
a
metal-coordinating
carboxylate
and
hydrogen-bond
donor,
primary
ammonium
group,
which
contribute
to
the
formation
arrangement
of
oligomeric
or
polymeric
assemblies.
Language: Английский
Crystal structure of catena-poly[[methanoldioxidouranium(VI)]-μ-2-[5-(2-oxidophenyl)-1H-1,2,4-triazol-3-yl]acetato-κ2 O:O′]
Acta Crystallographica Section E Crystallographic Communications,
Journal Year:
2024,
Volume and Issue:
80(8), P. 852 - 856
Published: July 12, 2024
In
the
title
complex,
[U(C
10
H
7
N
3
O
)O
2
(CH
OH)]
n
,
U
VI
cation
has
a
typical
pentagonal–bipyramidal
environment
with
equatorial
plane
defined
by
one
and
two
atoms
of
doubly
deprotonated
2-[5-(2-hydroxyphenyl)-1
-1,2,4-triazol-3-yl]acetic
acid
ligand,
carboxylate
atom
symmetry-related
ligand
methanol
molecule
[U—N/O
eq
2.256
(4)–2.504
(5)
Å].
The
axial
positions
are
occupied
oxide
atoms.
almost
coplanar,
largest
deviation
from
mean
being
0.121
Å
for
benzene
triazole
rings
tetradentate
chelating–bridging
twisted
approximately
21.6
(2)°
respect
to
each
other.
group
bridges
uranyl
cations,
forming
neutral
zigzag
chain
reinforced
strong
O—H...O
hydrogen
bond.
crystal,
adjacent
chains
linked
into
two-dimensional
sheets
parallel
ac
C/N—H...N/O
bonding
π–π
interactions.
Further
weak
C—H...O
contacts
consolidate
three-dimensional
supramolecular
architecture.
solid
state,
compound
shows
broad
medium
intensity
LMCT
transition
centred
around
463
nm,
which
is
responsible
its
red
colour.
Language: Английский
Synthesis of crystalline uranyl ion coordination polymers with zwitterionic carboxylate ligands: comparing solvothermal and ambient conditions
Sotaro Kusumoto,
No information about this author
Yoshihiro Koide,
No information about this author
Shinya Hayami
No information about this author
et al.
Journal of Inclusion Phenomena and Macrocyclic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 17, 2024
Language: Английский
(Benzene-1,2,4,5-tetrayl)tetrakis(3-(1-carboxylatomethylpyridinium)), a novel uranyl-complexing tetrazwitterion
Australian Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
77(11)
Published: Oct. 22, 2024
The
tetrazwitterionic,
tetracarboxylate
(benzene-1,2,4,5-tetrayl)tetrakis(3-(1-carboxylatomethylpyridinium))
(L)
has
been
synthesized
and
used
as
a
ligand
in
mixed-ligand
complexes
of
the
uranyl
cation
involving
anionic
carboxylates.
{[(UO2)2(tdc)2(L)]·2H2O}n
(1),
where
tdc2–
is
2,5-thiophenedicarboxylate,
crystallizes
monoperiodic,
ladder-like
coordination
polymer
which
two
UO2(tdc)
rows
are
bridged
by
L
ligands
with
monodentate
carboxylate
groups.
{[(UO2)2(OH)4(L)]·2H2O}n
(2)
diperiodic
dinuclear
(UO2)2(OH)22+
units
nodes
square
lattice
(sql)
network
being
bound
its
four
positional
isomer
(benzene-1,2,4,5-tetrayl)tetrakis(4-(1-carboxylatomethylpyridinium))
(L′)
undergoes
decarboxylation
during
synthesis
under
solvo-hydrothermal
conditions,
giving
tetracationic
(benzene-1,2,4,5-tetrayl)tetra{4-(N-methylpyridinium)}
(btp4+)
included
counterion
[btp][(UO2)4(O)2(pht)4]·1.5H2O
(3),
pht2–
phthalate.
discrete,
tetranuclear
3
usual
form
μ3-oxo
bridges
alternating
anions
cations
linked
through
π–π
interactions
arranged
into
layers.
Language: Английский
Uranyl–Nickel(II) Cation–Cation Interaction in a Triperiodic Framework with cis‐1,2‐Cyclohexanedicarboxylate and Isonicotinate Ligands
Zeitschrift für anorganische und allgemeine Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
Abstract
Uranyl
and
nickel(II)
nitrates
have
been
reacted
with
cis
‐1,2‐cyclohexanedicarboxylic
(H
2
chdc)
isonicotinic
(H‐int)
acids
under
solvo‐hydrothermal
conditions,
giving
the
heterometallic,
mixed‐ligand
complex
[(UO
)
Ni(chdc)
(int)
]⋅CH
3
CN
(
1
).
The
uranyl
cation
is
bound
to
carboxylate
groups
of
both
ligands
while
Ni
II
attached
two
nitrogen
donors,
strong
additional
interactions
oxo
a
nearly
regular
octahedral
environment.
short
Ni−O(oxo)
bond
length
2.114(3)
Å
amounts
67
%
sum
van
der
Waals
radii.
trimetallic
(UO
6+
clusters
thus
formed
are
assembled
by
chdc
2−
into
linear
chains
which
further
bridged
int
−
links
give
triperiodic
framework
dia
topology,
in
small
channels
encompass
rows
acetonitrile
solvent
molecules.
Complex
does
not
display
luminescence
excitation
solid
state.
Language: Английский