Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(12)
Опубликована: Авг. 29, 2024
ABSTRACT
Two
novel
tetra‐
and
hepta‐nuclear
Ni(II)
salamo‐type
clusters,
[Ni
4
(L)
2
(
μ
‐Cl)
3
‐OH)
(EtOH)
]⋅4CH
Cl
1
)
7
‐OEt)
6
]
),
were
constructed
by
modulating
different
anions
(Cl
−
NO
).
X‐ray
crystallographic
researches
revealed
that
cluster
is
a
tetranuclear
consisting
of
symmetric
binuclear
structure
in
which
chloride
ions
are
involved
coordination.
Although
consists
seven
ions,
three
deprotonated
2−
parts,
two
‐ethoxy
groups,
six
‐OH
anions,
coordinated
ethanol
molecules,
it
quite
rare
for
large
number
water
molecules
to
be
participate
the
bridging
due
alkaline
environment.
TEM
electron
scanning
displayed
distinct
shapes.
Comparison
DFT
calculations
less
chemically
reactive
more
kinetically
stable,
accordance
with
analytical
results
weak
interactions,
where
stronger
interaction
forces
presented,
stable
molecule
is.
Finally,
comparative
analysis
UV–Vis,
IR,
fluorescence
spectra
carried
out.
Journal of Coordination Chemistry,
Год журнала:
2023,
Номер
76(13-15), С. 1635 - 1649
Опубликована: Авг. 3, 2023
AbstractA
quinoline-containing
semi-salamo-type
ligand,
HL,
was
synthesized
and
a
dinuclear
Ni(II)
complex,
[Ni2(L)2(NCS)2],
produced.
The
complex
experimentally
analyzed
by
elemental
analysis,
fluorescence,
UV–Vis
spectroscopy.
X-ray
single
crystal
diffraction
experiments
showed
that
the
is
six-coordinate,
structurally
symmetric,
phenoxy-bridged
dimer
with
participation
of
SCN−
in
coordination
to
satisfy
charge
neutrality.
self-assembly
forms
2-D
supramolecular
network
structure
through
hydrogen
bonding
π⋯π
interactions.
DFT
calculations
were
performed
on
analyze
its
energy
gaps,
experiment
verified
TD-DFT
calculation.
In
addition,
close
intermolecular
contacts
investigated
Hirshfeld
surface
analysis
quantify
interaction.Keywords:
Half-salamo
type
ligandNi(II)
complexcrystal
structurefluorescence
propertytheoretical
study
Disclosure
statementNo
potential
conflict
interest
reported
authors.Additional
informationFundingThis
work
supported
Science
Technology
Program
Gansu
Province
(21YF5GA057)
Basic
Research
Top
Talent
Training
Lanzhou
Jiaotong
University
(2022JC09),
two
which
are
gratefully
acknowledged.