CrystEngComm,
Год журнала:
2022,
Номер
24(42), С. 7493 - 7499
Опубликована: Янв. 1, 2022
Energetic
coordination
complexes
constructed
from
non-explosive
and
stable
nitro
bearing
ligands
Cu
2+
have
been
presented,
are
laser-ignitable
on
the
basis
of
coordination-induced
photothermal
conversion.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 23, 2025
The
performance
of
energetic
coordination
compounds
(ECCs)
is
influenced
by
their
components
and
structure.
Modifying
the
chemical
structure
ligands
can
balance
detonation
sensitivity.
This
study
introduced
Cu(3-PZCA)2(ClO4)2
(ECCs-1)
Cu(2-IZCA)2(ClO4)2
(ECCs-2),
using
3-PZCA
2-IZCA
as
ligands.
ECCs-2,
with
a
higher
symmetry
fewer
nitrogen
chains,
showed
highest
thermal
decomposition
temperature
(225
°C).
Both
ECCs
displayed
high
mechanical
sensitivity,
ECCs-2
being
slightly
less
sensitive
(IS
=
3
J,
FS
8
N).
They
shared
similar
properties
ignition
capabilities,
ECCs-1
having
velocity
(7.1
km·s-1)
pressure
(23.5
GPa).
Initiation
tests
confirmed
excellent
DDT.
theoretical
mechanism
suggests
free
radical
reaction,
explaining
consistent
ignition,
initiation
capabilities.
A
"SP–DM–DSC–MS–DA"
structure–property
relationship
was
established,
providing
foundation
for
studying
Cu(ClO4)2-ECCs
isomers.
Crystal Growth & Design,
Год журнала:
2023,
Номер
23(5), С. 3595 - 3602
Опубликована: Март 28, 2023
Four
novel
energetic
complexes
comprising
furazan/nitramino
groups
were
synthesized
through
a
simple
hydrothermal
method.
Owing
to
the
introduction
of
an
oxygen-containing
nitramino
group,
Cu(DNAF)(NH3)3
(ECP-1),
Cu(DNAF)(H2O)3
(ECP-2),
Cu(ANFZ)2(H2O)5
(ECP-3),
and
Cu2(TA)2(H2O)6
(ECP-4)
(DNAF
=
4,5-dinitraminofurazan,
ANFZ
4-amino-3-nitraminofurazan,
TA
5-nitro-4-nitramino-1,2,3-triazole)
possess
relatively
high
oxygen
contents
balance,
indicating
efficient
energy
release
during
self-sustained
redox
process.
In
addition,
these
coordination
polymers
(ECPs)
exceptional
crystal
density
insensitivity
external
stimuli.
Compared
reported
previously,
balance
nitrogen
atoms
ECP-1–ECP-4
remain
at
higher
level
(OB
>
−20%,
N+O%
60%),
ECP-2
ECP-4
have
excellent
positive
(10.5%
5.5%,
respectively),
has
highest
(2.22
g/cm3)
among
four
polymers.
Crystal Growth & Design,
Год журнала:
2023,
Номер
23(8), С. 5528 - 5534
Опубликована: Июнь 27, 2023
In
order
to
study
the
design
and
preparation
of
new
coordination
primary
explosive,
influence
ligand
on
performance
was
explored.
Using
low-energy,
low-nitrogen
pyrrole
as
skeleton
hydrazide
group
target,
1H-pyrrole-2-carbohydrazide
(PRCA)
designed,
two
ECCs
[Cu(PRCA)2(H2O)(ClO4)]ClO4·C2H5OH
(ECCs-1·C2H5OH)
[Cu(PRCA)2(H2O)(ClO4)]ClO4·2H2O
(ECCs-1·2H2O)
were
prepared,
[Cu(PRCA)2(H2O)(ClO4)]ClO4
(ECCs-1)
obtained
by
a
simple
drying
method.
The
structure
target
compound
confirmed
single-crystal
X-ray
diffraction,
infrared
(IR),
elemental
analysis
(EA)
characterization.
Physicochemical
tests
show
that
ECCs-1
has
better
thermal
stability
(Td
=
219
°C)
is
more
sensitive
impact
sensitivity
(IS
7
J)
friction
(FS
16
N).
detonation
prediction
results
velocity
pressure
are
not
high
(DEXPLO
5
6.2
km
s–1,
PEXPLO
16.2
GPa).
However,
an
extremely
strong
ability.
Inorganic Chemistry,
Год журнала:
2023,
Номер
62(42), С. 17417 - 17424
Опубликована: Окт. 12, 2023
Transforming
the
energy
storage
structure
is
an
effective
approach
to
achieve
a
balance
between
detonation
performance
and
sensitivity
of
energetic
compounds,
with
goal
high
low
sensitivity.
Building
upon
previous
work,
this
study
employed
isomeric
compound
1H-pyrazole-3-carbohydrazide
(3-PZCA)
as
ligand
creatively
designed
coordination
(ECC)
Ag(3-HPZCA)2(ClO4)3
(ECC-1).
It
novel
material
dual
ionic
salts
which
represents
first
report
such
in
Ag(I)-based
ECCs.
With
its
unique
structures,
ECC-1
exhibits
larger
[ClO4-]
content,
higher
oxygen
constant
(OB
=
0%),
superior
mechanical
(IS
13
J
FS
40
N).
Theoretical
calculations
indicate
that
has
compared
work.
Furthermore,
explosive
experiment
testing
results
demonstrate
it
can
be
ignited
by
lower-threshold
lasers
possesses
excellent
initiation
capability
power,
making
suitable
not
only
primary
but
also
secondary
explosive.
Crystal Growth & Design,
Год журнала:
2024,
Номер
24(8), С. 3160 - 3169
Опубликована: Апрель 6, 2024
Developing
heat-resistant
explosives
with
excellent
comprehensive
performance
is
currently
a
significant
challenge.
Herein,
series
of
new
energetic
compounds
based
on
pyrazole
and
triazole
were
designed
synthesized.
Their
structures
characterized
by
nuclear
magnetic
resonance
(NMR),
Fourier
transform
infrared
spectroscopy
(FT-IR),
elemental
analysis
(EA),
mass
spectrometry
(MS),
the
four
ion
salts
also
confirmed
single-crystal
X-ray
diffraction.
In
light
crystal
data,
theoretical
calculations
including
Hirshfeld
surfaces,
two-dimensional
(2D)
fingerprint,
interaction
region
indicator
used
to
explain
relationship
between
their
structure,
stability,
safety
studying
intermolecular
hydrogen
bonding
stacking
methods.
thermal
behavior
detonation
have
been
systematically
studied.
NBDAT
its
exhibit
density
ranging
from
1.772
1.901
g
cm–3
velocity
pressure
8234
8812
m
s–1
27.0
31.4
GPa,
respectively.
Among
them,
neutral
has
an
1.851
cm–3,
decomposition
temperature
354.5
°C,
superior
performances
D
=
s–1,
P
30.5
low
sensitivity
IS
40
J,
FS
360
N,
making
it
promising
candidate
replace
1,3,5-triamino-2,4,6-trinitrobenzene
(TATB)
hexanitrostilbene
(HNS)
as
explosives.
Abstract
Alkali
and
alkaline‐earth
metal
incorporated
5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole
(H
2
DNAO)
based
Energetic
Coordination
Polymers
(ECPs),
namely
dipotassium
5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole(K
DNAO),
dicesium
5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole(Cs
barium
5,5′‐dinitramino‐3,3′‐azo‐1,3,4‐oxadiazole(BaDNAO)
are
synthesized
for
the
first
time.
Synthesized
ECPs
thoroughly
characterized
using
infrared
spectroscopy
(IR),
elemental
analysis
(EA),
thermogravimetric
differential
scanning
calorimetry
(TGA‐DSC),
field
emission
electron
microscopy
(FE‐SEM),
dynamic
light
scattering
(DLS),
UV–vis
spectroscopy.
All
also
confirmed
by
single‐crystal
X‐ray
diffraction
technique
(SC‐XRD).
The
micro‐ECPs
exhibit
excellent
densities
(1.98–2.80
g
cm
−3
),
insensitivities
(IS:
25‐40
J;
FS:
240‐360
N),
good
thermal
stabilities
(
T
d
:
182–212
°C).
K
DNAO
Cs
show
detonation
performance
(VOD:7460‐7893
m
s
−1
;
DP:
27.5‐30.6
GPa),
respectively.
To
further
investigate
sub‐micron‐energetics,
three
sub‐micron
prepared
from
their
micro
counterparts
ultrasonication
method,
demonstrating
significant
improvement
in
stability
194–221
°C)
but
highly
sensitivity
2‐15J;
40‐360N).
Burning
tests
of
two
experimental
formulations
demonstrate
potential
green
pyrotechnic
applications.
Interestingly,
submicron‐counterparts
remarkable
initiating
capability.
Considering
ease
synthesis,
safety
profile,
these
materials
can
be
effectively
transported
microform
rapidly
converted
into
submicron‐form
on
demand,
making
them
suitable
Inorganic Chemistry,
Год журнала:
2023,
Номер
62(36), С. 14559 - 14567
Опубликована: Авг. 30, 2023
The
construction
and
design
of
pyrotechnics
with
superior
performance
is
not
only
a
task
great
significance
but
also
tremendous
challenge.
In
this
regard,
we
present
the
syntheses
novel
green
primary
colors
(red,
green,
blue
light-generating
pyrotechnics)
by
employing
4-chloro-3,5-dinitropyrazole
(CDNP)
as
multifunctional
raw
material.
CDNP
contains
flame
enhancer,
oxygen-rich
functional
group,
nitrogen
heterocyclic
combustibles,
which
contribute
to
high
pyrotechnics.
characteristic
elements
(strontium,
barium,
copper)
that
impart
color
are
combined
synthesize
an
"all-in-one"
strategy.
structures
three
energetic
metal
salts
(EMS-1,
EMS-2,
EMS-3)
completely
characterized,
their
thermal
stability,
sensitivity,
ignition
performance,
purity
systematically
evaluated.
All
EMSs
show
excellent
stability
low
mechanical
sensitivities
(>330
°C,
>40
J,
>360
N).
Moreover,
demonstrate
successful
combustion
under
laser
conditions
roasting
test
conditions,
producing
bright
flames.
Chromaticity
analysis
reveals
possess
good
purities
91,
80,
70%,
respectively.
Consequently,
integrated
exhibit
exceptional
properties,
highlighting
potential
for
use
in
various
pyrotechnic
applications.
ACS Applied Materials & Interfaces,
Год журнала:
2022,
Номер
15(1), С. 1601 - 1609
Опубликована: Дек. 21, 2022
Lithium-based
nitrogen-rich
complexes
are
important
research
objects
in
the
field
of
high-energy
materials.
However,
weak
coordination
abilities
lithium
ions
relative
to
those
other
metal
with
greater
atomic
numbers
have
hindered
their
applications
complexes.
Herein,
we
successfully
prepared
novel
lithium-based
(N2H5-2AZTO-Li
and
NH3OH-2AZTO-Li)
by
exploiting
structural
properties
1-hydroxytetrazolium-5-hydrazine
(HAZTO).
Both
N2H5-2AZTO-Li
NH3OH-2AZTO-Li
were
found
exhibit
physicochemical
parameters
(including
density,
stability,
energetic
properties)
that
intermediate
between
simple
ionic
compounds
(3
4)
(5)
formed
them,
enabling
a
favorable
balance
high
energy,
environmental
friendliness
(for
N2H5-2AZTO-Li:
detonation
velocity
(D)
=
9005
m
s–1,
pressure
(P)
35.5
GPa,
decomposition
temperature
(Tdec)
238.1
°C,
impact
sensitivity
(IS)
24
J,
friction
(FS)
210
N,
product
(DP)
(CO)
<
2%;
for
NH3OH-2AZTO-Li:
D
9028
P
35.7
Tdec
211.2
IS
20
FS
180
DP
2%).
This
study
transcends
conventional
forms
complexes,
opening
new
horizons
design
insensitive