The Journal of Organic Chemistry,
Год журнала:
2024,
Номер
89(17), С. 12790 - 12794
Опубликована: Авг. 12, 2024
Bistetrazoles
are
highly
sought
after
for
developing
innovative
high-energy
density
materials.
The
1,1'-substituted
bistetrazoles,
exemplified
by
TKX-50,
have
outstanding
performance.
However,
the
research
of
high-perfomance
2,2'-substituted
bistetrazoles
remains
limited.
In
this
work,
dinitromethyl
groups
were
introduced
into
bistetrazole
structures
as
(BDBTZ),
which
was
extensively
characterized
through
NMR,
thermal
analysis,
and
single
crystal
X-ray
diffraction,
exhibiting
excellent
oxygen
balance,
moderate
sensitivity,
acceptable
stability,
high
density,
detonation
Inorganic Chemistry,
Год журнала:
2022,
Номер
61(41), С. 16493 - 16500
Опубликована: Окт. 4, 2022
N-nitration
of
2,6-diamino-3,5-dinitropyrazine
(ANPZ)
leads
to
a
sensitive
energetic
compound
N,N'-(3,5-dinitropyrazine-2,6-diyl)dinitramide.
This
nitro(nitroamino)
was
stabilized
by
synthesizing
salts,
dipotassium
(3,5-dinitropyrazine-2,6-diyl)bis(nitroamide)
(3)
and
diammonium
(4).
Compounds
3
4
are
fully
characterized
single-crystal
X-ray
diffraction.
Compound
exhibits
three-dimensional
metal-organic
framework
(3D
EMOF)
structure
an
outstanding
overall
performance
combining
high
experimental
density
(2.10
g
cm-3),
good
thermal
stability
(Td(onset)
=
220
°C),
calculated
detonation
(D
8300
m
s-1,
P
29.9
GPa).
has
acceptable
(155
moderate
(1.73
8624
30.8
The
sensitivities
compounds
toward
impact
friction
were
determined
following
standard
methods
(BAM).
character
using
red-hot
needle
heated
plate
tests.
results
highlight
3D
EMOF
based
on
six-membered
heterocycle
as
potential
material.
Dalton Transactions,
Год журнала:
2024,
Номер
53(32), С. 13308 - 13319
Опубликована: Янв. 1, 2024
Energetic
Metal-Organic
Framework
(EMOF)
compounds
have
gained
significant
attention
in
recent
years
as
a
hot
research
topic
the
fields
of
explosives
and
propellants.
This
article
provides
an
overview
latest
progress
EMOFs
various
areas,
including
heat-resistant
explosives,
burning
rate
catalysts
initiating
explosives.
It
discusses
development
trends
high-energy
EMOFs,
such
high-dimensional
solvent-free
structural
design,
simplified
scalable
synthesis
conditions,
environmentally
friendly
manufacturing
processes
with
tunable
structures,
high-energy,
low-sensitivity
multifunctional
target
products.
The
challenges
issues
faced
by
are
presented.
Furthermore,
key
directions
for
future
applications
propellants
discussed,
design
synthesis,
precise
modulation
molecular
composition
pore
structure,
improvement
accurate
prediction
methods
physicochemical
properties
low-cost
large-scale
production
composite
energetic
materials,
exploration
influencing
factors,
comprehensive
study
on
application
novel
high-performance
EMOFs.
Crystal Growth & Design,
Год журнала:
2025,
Номер
25(5), С. 1355 - 1363
Опубликована: Фев. 17, 2025
High-energy-density
materials
(HEDMs)
have
made
significant
progress
in
defense
and
space
applications,
but
they
still
confront
the
challenges
of
unsatisfactory
safety,
sensitivity,
chemical
applicability.
In
this
work,
a
strategy
to
synthesize
symmetric
energetic
by
introducing
flexible
chains
(−CH2–
or
−CH2CH2−)
is
reported
based
on
5-azido-3-nitro-1H-1,2,4-triazole
1.
N,N′-Methylene
bridged
compound
2
N,N′-ethylene
3
are
successfully
obtained
through
one-step
synthesis
with
high
yield.
The
introduction
significantly
reduced
mechanical
sensitivity
two
compounds.
This
change
can
be
attributed
synergistic
effects
several
factors,
including
formation
hydrogen
bonds,
oxygen
balance,
variations
ESP
molecular
surface.
As
result,
(IS
=
15
J,
FS
360
N)
>
40
exhibit
lower
compared
monocyclic
functional
integrated
1
5
42
N).
detonation
velocities
compounds
8439
7979
m·s–1,
respectively.
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
Energetic Materials Frontiers,
Год журнала:
2023,
Номер
4(2), С. 57 - 62
Опубликована: Май 18, 2023
Two
new
tetrazole
ligands
were
designed
and
synthesized
using
simple
methods
in
this
study,
namely
1H-tetrazole-5-carbohydrazide
(HCHT,
1)
2-amino-5-(1H-tetrazol-5-yl)-1,3,4-oxadiazole
(HAOT,
2).
Their
solvent-free
potassium
salts
[K(CHT)]n
(3)
[K(AOT)]n
(4)
are
two-dimensional
energetic
metal-organic
frameworks
(EMOFs),
their
structures
characterized
nuclear
magnetic
resonance
(NMR),
infrared
spectroscopy
(IR),
mass
spectrometry
(MS),
elemental
analysis
(EA),
single-crystal
X-ray
diffraction
(SXRD).
Both
compounds
3
4
exhibit
high
decomposition
temperatures
(Td)
of
314
°C
310
°C,
respectively
highly
insensitive
to
impact
friction
stimuli
(IS
>
40
J,
FS
360
N).
The
detonation
velocity
pressure
calculated
at
9141
m
s−1
29.0
GPa,
respectively,
those
determined
8423
24.5
respectively.
Furthermore,
intermolecular
interactions
analyzed
2D
fingerprint
plots
with
associated
Hirshfeld
surfaces.
In
manner,
two
thermally
stable
EMOFs
developed
based
on
ligands.
