Journal of the Chinese Chemical Society,
Journal Year:
2021,
Volume and Issue:
68(12), P. 2232 - 2242
Published: Sept. 28, 2021
Abstract
The
optimized
structure,
HOMO‐LUMO
orbital,
molecular
surface
electrostatic
potential
(ESP),
and
thermal
stability
(BDE)
of
30
bridged
bifurazan
derivatives
(BDFD)
were
investigated
by
B3LYP/6–311+G*
method.
And
we
also
evaluated
some
energy
parameters
including
heat
formation
(HOF),
density
(
ρ
),
detonation
velocity
D
pressure
P
impact
sensitivity
h
50%
)
in
detail.
In
terms
the
compounds
this
series:
Coordination
oxygen
is
beneficial
for
obtaining
good
balance.
Substituent
C(NO
2
3
can
improve
density,
HOF,
properties.
Both
bridge
group
N═N
substitution
NHNO
promote
HOF
well.
While
NH
has
a
negative
effect
on
performance.
A4,
B1,
B2,
B4,
C4,
D4,
F4,
H1,
H2
eventually
screened
out
as
promising
nitrogen‐rich
high‐energy
because
their
positive
(687–1,410
kJ/mol),
excellent
(1.89–1.93
g/cm
3),
extraordinary
Q
(1702–1933
cal/g),
outstanding
(9.15–9.74
km/s),
impressive
(38.31–43.67
GPa),
acceptable
sensitivity.
Synthesis,
Journal Year:
2024,
Volume and Issue:
56(12), P. 1891 - 1895
Published: Feb. 6, 2024
Abstract
(5-Iminio-4,5-dihydro-1,3,4-oxadiazol-2-yl)tetrazol-1-ide
is
the
first
zwitterionic
energetic
material
containing
tetrazole
as
an
anion
and
1,3,4
oxadiazole
a
cation.
Its
low
mechanical
sensitivity
(IS
>40
J,
FS
>360
N)
high
gas
volume
after
detonation
at
standard
temperature
pressure
(767.0
dm3/kg)
make
it
prime
example
of
novel
type
blunt
with
promising
applications.
Journal of the Chinese Chemical Society,
Journal Year:
2021,
Volume and Issue:
68(12), P. 2232 - 2242
Published: Sept. 28, 2021
Abstract
The
optimized
structure,
HOMO‐LUMO
orbital,
molecular
surface
electrostatic
potential
(ESP),
and
thermal
stability
(BDE)
of
30
bridged
bifurazan
derivatives
(BDFD)
were
investigated
by
B3LYP/6–311+G*
method.
And
we
also
evaluated
some
energy
parameters
including
heat
formation
(HOF),
density
(
ρ
),
detonation
velocity
D
pressure
P
impact
sensitivity
h
50%
)
in
detail.
In
terms
the
compounds
this
series:
Coordination
oxygen
is
beneficial
for
obtaining
good
balance.
Substituent
C(NO
2
3
can
improve
density,
HOF,
properties.
Both
bridge
group
N═N
substitution
NHNO
promote
HOF
well.
While
NH
has
a
negative
effect
on
performance.
A4,
B1,
B2,
B4,
C4,
D4,
F4,
H1,
H2
eventually
screened
out
as
promising
nitrogen‐rich
high‐energy
because
their
positive
(687–1,410
kJ/mol),
excellent
(1.89–1.93
g/cm
3),
extraordinary
Q
(1702–1933
cal/g),
outstanding
(9.15–9.74
km/s),
impressive
(38.31–43.67
GPa),
acceptable
sensitivity.