Chemistry - An Asian Journal,
Journal Year:
2024,
Volume and Issue:
19(17)
Published: June 10, 2024
Abstract
Zwitterionic
compounds
are
an
emergent
class
of
energetic
materials
and
have
gained
synthetic
interest
many
in
the
recent
years.
Due
to
their
better
packing
efficiencies
strong
inter/intramolecular
electrostatic
interactions,
they
often
ensue
superior
properties
than
salt
analogues.
A
systematic
review
from
perspective
design,
synthesis,
physicochemical
evaluation
zwitterionic
is
presented.
Depending
on
parent
ring(s)
used
for
synthesis
type
moieties
bearing
positive
negative
charges,
different
classes
materials,
such
as
primary
explosives,
secondary
heat
resistant
oxidizers,
etc.,
may
result.
The
some
also
compared
with
analogous
salts.
This
will
encourage
readers
explore
possibility
designing
new
materials.
Engineering,
Journal Year:
2020,
Volume and Issue:
6(9), P. 1013 - 1018
Published: July 16, 2020
Designing
and
synthesizing
more
advanced
high-energetic
materials
for
practical
use
via
a
simple
synthetic
route
are
two
of
the
most
important
issues
development
energetic
materials.
Through
an
elaborate
design
rationally
selected
molecular
components,
new
metal-free
hexagonal
perovskite
compounds,
which
named
as
DAP-6
DAP-7
with
general
formula
(H2dabco)B(ClO4)3
(H2dabco2+
=
1,4-diazabicyclo[2.2.2]octane-1,4-diium),
were
fabricated
easily
scaled-up
using
NH3OH+
NH2NH3+
B-site
cations,
respectively.
Compared
their
NH4+
analog
((H2dabco)(NH4)(ClO4)3;
DAP-4),
has
cubic
structure,
have
higher
crystal
densities
enthalpies
formation,
thus
exhibiting
calculated
detonation
performances.
Specifically,
ultrahigh
thermal
stability
(decomposition
temperatures
(Td)
375.3
°C),
high
velocity
(D
8.883
km·s−1),
pressure
(P
35.8
GPa);
therefore,
it
exhibits
potential
heat-resistant
explosive.
Similarly,
(Td
245.9
°C)
excellent
performance
9.123
km·s−1,
P
38.1
GPa).
Nevertheless,
also
possesses
remarkably
heat
(Q
6.35
kJ·g−1)
specific
impulse
(Isp
265.3
s),
is
superior
to
that
hexanitrohexaazaisowurtzitane
(CL-20;
Q
6.23
kJ·g−1,
Isp
264.8
s).
Thus,
can
serve
promising
high-performance
material
use.
Journal of Materials Chemistry A,
Journal Year:
2018,
Volume and Issue:
6(15), P. 6565 - 6577
Published: Jan. 1, 2018
A
series
of
functional
new
energetic
coordination
compounds
(ECCs)
were
prepared
and
their
physicochemical
properties
tuned
by
the
use
various
metal(ii)
centers
three
different
ditetrazolylpropane
isomers.
Journal of Materials Chemistry A,
Journal Year:
2018,
Volume and Issue:
6(33), P. 16257 - 16272
Published: Jan. 1, 2018
This
comprehensive
study
features
the
synthesis,
characterization
and
evaluation
of
new
energetic
coordination
compounds
(ECC)
based
on
two
most
powerful
neutral
tetrazoles,
which
have
great
potential
as
lead-free
primary
explosives.
Crystal Growth & Design,
Journal Year:
2020,
Volume and Issue:
20(3), P. 2106 - 2114
Published: Feb. 14, 2020
Structure–performance
investigation
has
become
one
of
those
significant
trends
for
energetic
materials
and
crystallography
inevitably.
Herein,
we
report
two
new
deriving
from
a
famous
thermally
stable
explosive
benzopyridotetraazapentalene,
which
was
first
developed
by
Huynh
Hiskey,
et
al.,
at
Los
Alamos
National
Laboratory.
Owing
to
the
incorporation
amino
groups,
these
exhibit
different
amusing
physical
performance.
Understanding
their
structures,
properties,
performances,
relationship
among
them
is
basis
rational
design
materials.
Moreover,
conjugated
systems,
density
overlap
regions
indicator
analysis
also
employed
necessarily
visualizing
quantifying
covalent
noncovalent
interactions.
It
evident
that
this
strategy
incorporating
groups
into
increased
coplanarity
fused
ring,
owing
contribution
hydrogen
bonding
π–π
interactions,
can
further
decrease
sensitivity.
However,
found
integrity
intramolecular
-bonding
interaction
critical
factor,
affected
thermal
stability
molecules
with
inserting
progressively.
notable
diamino-substituted
compound
8
exhibits
comparable
(320
°C)
HNS,
more
dense
(d:
1.84
g
cm–3),
higher
nitrogen
content
(37.43%),
lower
sensitivity
(impact
sensitivity:
12
J,
friction
>
360
N),
superior
HNS.
These
discoveries
effectively
assist
preparation
other
promising
toward
future
high-performing
energy
applications.
Crystal Growth & Design,
Journal Year:
2019,
Volume and Issue:
19(7), P. 3934 - 3944
Published: May 31, 2019
Primary
explosives
with
powerful
and
reliable
stabilities
have
attractive
applications
in
the
field
of
military
civilian
technologies.
In
this
work,
four
two-dimensional,
solvent-free
metal
azide-based
energetic
coordination
polymers
[M(N3)2(btze)]n
(M
=
Co
for
1,
Cd
2;
btze
1,2-bis(tetrazol-1-yl)ethane),
[Cd2(N3)3Cl(btze)2]n
3,
[Cd2(N3)2Br2(btze)2]n
4
were
prepared
through
a
hydrothermal
reaction
structurally
characterized
by
single-crystal
X-ray
diffraction.
All
compounds
exhibit
two
times
higher
heats
detonation
than
that
traditional
lead
azide
(LA),
high
thermal
(>200
°C),
relatively
low
sensitivities.
The
values
enthalpies
formation
(ΔfH°)
1
2
are
up
to
4.088
3.925
kJ·g–1,
respectively,
which
belong
those
largest
ΔfH°
among
metal-based
primary
explosives.
Although
isostructural
compounds,
their
mechanical
sensitivities
discrepant,
mainly
originates
from
different
atomic
radii
distinct
levels
repulsive
steric
clashes
between
adjacent
azides.
As
less
sensitive
ligand
is
present
place
previously
reported
atrz
(4,4′-azo-1,2,4-triazole),
resultant
same
center
lower
confirmed
experimental
results
theoretical
analyses.
3
almost
structures
display
similarities
despite
types
amounts
halogen
ions
ions.
Compounds
detonated
blast.
range
applicable
explosives,
makes
act
as
competitive
safe
ACS Applied Materials & Interfaces,
Journal Year:
2019,
Volume and Issue:
11(29), P. 26053 - 26059
Published: June 19, 2019
Exploring
a
green
and
safe
primary
explosive
to
replace
very
toxic
sensitive
lead
azide
styphnate
takes
great
efforts.
Here,
series
of
polynitro-functionalized
triazolylfurazanate
energetic
materials
have
been
reported.
These
new
compounds
were
fully
characterized
by
infrared,
multinuclear
NMR
spectra,
mass
elemental
analysis,
differential
scanning
calorimetry
measurements.
The
structure
mono-diaminoguanidinium
salt
(17)
was
determined
single-crystal
X-ray
diffraction.
Inspired
the
high
pressurization
rate
fast
energy
release
in
triaminoguanidinium
salts,
some
suitability
evaluation
for
explosives
has
applied.
Di(triaminoguanidinium)
3-nitramino-4-(3-(dinitromethanidyl)-1,2,4-triazol-5-yl)furazanate
exhibits
an
excellent
gas-generating
capability
(Pmax
=
9.03
Mpa)
combustion
performance
(dP/dtmax
201.5
GPa
s-1)
close
thermite
Al/CuO
8.49
Mpa,
dP/dtmax
252.2
s-1).
Moreover,
good
initiation
capacity
(60
mg
500
RDX)
coupled
with
insensitivity
this
compound
(IS
17.4
J,
FS
240
N,
ESD
>
0.225
J)
make
it
promising
insensitive
explosive.
