Applied Organometallic Chemistry,
Journal Year:
2023,
Volume and Issue:
38(1)
Published: Nov. 27, 2023
Cuprous(I)
catalysts
have
been
widely
used
in
the
coupling
reaction
of
forming
C‐X
bond.
The
core‐modified
porphyrins
are
known
to
stabilize
unusual
oxidation
state
many
metals.
Thus,
this
work,
a
21‐oxaporphyrin
was
obtained
under
improved
Adler–Longo
condensation
condition
and
successfully
for
complexing
cuprous
ion.
It
is
found
that
synergy
two
factors,
diameter
expansion
univalent
form
N₃O
core
ligand,
plays
decisive
role
stabilizing
metastable
ion;
former
effectively
stabilizes
electron
pair
equatorial
d
orbital
by
aiding
d‐π
interaction,
latter
exactly
balances
single
charge
A
size
axis
copper
species
porphyrinate
systems
established
comparing
with
previously
reported
distorted
copper(II)
porphyrin
series.
Applied Organometallic Chemistry,
Journal Year:
2023,
Volume and Issue:
37(10)
Published: Aug. 22, 2023
Acetate‐bridged
binuclear
Co(II)
and
Ni(II)
complexes,
[Co
2
(L)(
μ
‐OAc)(EtOH)]
(
1
)
[Ni
were
synthesized
via
the
reaction
of
a
new
bis(salamo)‐like
ligand
with
two
different
metal(II)
acetates.
X‐ray
single
crystal
diffraction
analyses
showed
that
ions
(Co
or
Ni)
occupy
sets
N
O
cavities,
respectively.
The
acetate
group
bridges
metals,
ethanol
oxygen
atom
participates
in
coordination.
Furthermore,
UV–vis
titration
experiments
clearly
indicated
complexation
between
H
3
L
M(II)
leads
to
1:2
complexes
[(L)M
]
+
through
highly
synergistic
process.
Bond
valence
sum
(BVS)
calculations
exhibited
are
divalent.
Secondly,
highest
occupied
molecular
orbital–lowest
unoccupied
orbital
(HOMO‐LUMO)
gap
analysis
surface
electrostatic
potential
theoretically
analyzed
by
theoretical
calculation
(density
functional
theory),
reactivity
complex
formation
process
was
demonstrated.
Finally,
microscopic
properties
deeply
understood
weak
intramolecular
interactions
unstressed
regions
outside
complexes.
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: Feb. 5, 2025
ABSTRACT
A
cube‐like
heptanuclear
cobalt(II)
cluster
single
crystals,
namely,
[Co
7
(L)
2
(
μ
3
‐OCH
)
‐OH)
4
](ClO
,
was
successfully
grown
up
by
reacting
of
a
bis(salamo)‐type
ligand
H
L
containing
two
N
O
coordination
cavities
with
Co(NO
·6H
using
natural
volatilization
method.
Single‐crystal
analysis
displayed
that
the
is
cluster.
In
this
paper,
UV–Vis
absorption
and
fluorescence
spectra
its
have
been
investigated.
Through
Hirshfeld
surface
analyses,
intermolecular
interactions
on
molecular
surfaces
are
visually
presented,
contributions
each
interaction
to
quantified
two‐dimensional
fingerprints.
DFT
calculation
MEP
analyses
used
investigate
electronic
structures
sites