International Research Journal of Multidisciplinary Technovation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 169 - 185
Published: Nov. 21, 2024
The
increasing
dependence
on
non-renewable
resources
for
energy
storage
has
accelerated
the
development
of
supercapacitor
technology,
which
is
now
essential
to
portable
devices
and
electric
cars
because
its
high-power
density
quick
charge/discharge
speed.
Optimized
geometry,
weak
C-H‧‧‧O
hydrogen
bonding
interactions
inside
methylene
groups
affect
bond
lengths,
carboxylic
group
in
adipic
acid
(ADPI)
shortens
lengths
(C14–C15
C4–C5).
DFT
simulations
demonstrate
a
fair
agreement
experimental
data.
According
vibrational
studies,
O-H
C=O
groups'
frequencies
are
greatly
influenced
by
reactive
displayed
-COOH
derivatives.
With
theoretical
values
demonstrating
significant
PED
contributions,
these
reduce
stretching
frequency,
seen
as
an
band
at
3405
cm⁻¹
FT-IR
spectra.
In
ADPI,
atoms
interact
with
neighboring
atoms'
σ*
orbitals
(O2-C4),
(O12-C14),
(C4-C5),
(C14-C15),
(O1-C4),
(O11-C14)
through
lone
pairs
electrons
localized
O1
(LP2),
O11
O2
(LP1),
O12
(LP1);
have
fairly
high
stabilization
33.78,
17.91,
6.75,
6.75
kcal/mol,
accordingly.
Redox
peaks
increased
specific
capacitance
scan
rate
revealed
cyclic
voltammetry
study
suggesting
efficient
electron
transport,
improved
charge
storage,
encouraging
prospects
electrochemical
applications.
ADPI's
appropriateness
high-performance
applications
such
supercapacitors
supported
impedance
analysis,
Nyquist
plot
decreased
semicircle
sharp
low-frequency
slope.
This
demonstrates
effective
transfer,
ion
diffusion,
capacitive
behavior.
International Research Journal of Multidisciplinary Technovation,
Journal Year:
2025,
Volume and Issue:
unknown, P. 198 - 222
Published: March 30, 2025
In
this
study,
computational
methods
were
employed
to
investigate
the
structural,
vibrational,
chemical
shift,
topological,
thermodynamical,
and
biological
properties
of
2-[1-(2,4-dichlorobenzyl)-1H-indazol-3-yl]propan-2-ol
(DCBIP),
along
with
solvent
effects
on
its
electronic
spectra,
frontier
molecular
orbitals
(FMO),
electrostatic
potential
(MEP)
surfaces.
Molecular
geometry
analysis
identified
seven
bond
types
nine
angles.
Vibrational
confirmed
108
fundamental
modes
associated
OH,
CO,
CH,
CC,
CN,
NN,
CCl,
CH₂,
CH₃
functional
groups.
Chemical
shift
validated
structural
integrity
DCBIP,
deshielding
observed
for
key
carbons
protons
due
electronegative
interactions,
hydrogen
bonding,
inductive
from
chlorine
substituents.
The
consistent
FMO
energy
gap
(4.9797–4.9879
eV)
across
solvents
suggests
minimal
influence,
greater
stability
in
polar
environments.
Natural
orbital
(NBO)
strongest
stabilization
lone
pair
(LP)
N4
donating
antibonding
σ*(C8-C9)
(40.25
kJ/mol),
enhancing
delocalization
indazole
ring.
Mulliken
revealed
O3
as
most
site
C9
electropositive,
while
MEP
maps
nucleophilic
regions
over
electrophilic
sites
aromatic
hydrogens.
specific
heat
capacity
DCBIP
(77.31
cal
mol⁻¹K⁻¹)
reflects
moderate
thermal
absorption,
influenced
by
vibrational
contributions
complex
structure.
Topological
analyses
highlighted
electron
localization
at
atoms
(H32,
H37),
six-membered
rings,
presence
van
der
Waals
interactions
steric
DCBIP.
docking
studies
1EOU
5FDC
demonstrated
strong
binding
affinities
-6.89
kcal/mol
-7.45
kcal/mol,
respectively,
suggesting
an
anticonvulsant
agent.
Organics,
Journal Year:
2025,
Volume and Issue:
6(2), P. 17 - 17
Published: April 9, 2025
Understanding
the
factors
that
affect
detonation
performance
of
high-energy
molecules
(HEMs)
is
crucial
for
design
novel
explosives
and
fuels
with
desirable
characteristics.
While
molecular
factors,
such
as
presence
specific
functional
groups
give
organic
explosive
properties,
are
key
determinants
characteristics,
other
like
geometry
in
crystal
structures
can
also
properties
materials.
Although
it
known
slight
deviations
structure
sensitivity
nitroaromatic
explosives,
influence
these
variations
on
remains
unknown.
In
this
study,
we
extracted
different
same
from
Cambridge
Structural
Database
calculated
their
velocities
pressures
using
Kamlet–Jacobs
equations.
Results
indicated
geometries
lead
to
non-negligible
differences
pressures.
case
2,4,6-triamino-1,3,5-trinitrobenzene
molecule,
discrepancies
among
were
be
7.68%.
Analysis
geometrical
arrangements
showed
mainly
consequence
diverse
non-covalent
bonding
patterns
densities.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(24), P. 16960 - 16970
Published: Jan. 1, 2024
A
simple
yet
convenient
nucleophile-induced
synthetic
route
for
the
construction
of
thermally
stable
fluorescent
active
functionalized
stilbenes
has
been
delineated.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(16), P. 8599 - 8599
Published: Aug. 7, 2024
Bee
alarm
pheromones
are
essential
molecules
that
present
in
beehives
when
some
threats
occur
the
bee
population.
In
this
work,
we
have
applied
multilevel
modeling
techniques
to
understand
molecular
interactions
between
representative
and
polymers
such
as
polymethyl
siloxane
(PDMS),
polyethylene
glycol
(PEG),
their
blend.
This
study
aimed
check
how
these
can
be
manipulated
enable
efficient
separation
of
portable
membrane
inlet
mass
spectrometric
(MIMS)
systems
using
new
membranes.
The
involved
application
powerful
computational
atomistic
methods
based
on
a
combination
modern
semiempirical
(GFN2-xTB),
first
principles
(DFT),
force-field
calculations.
As
fundamental
work
material
for
molecules,
considered
PDMS
polymer,
well-known
sorbent
known
applicable
light
polar
molecules.
To
improve
its
applicability
heavier
two
main
factors—temperature
addition
PEG
polymer.
Additional
insights
into
were
obtained
by
studying
intrinsic
reactive
properties
noncovalent
polymer
chains.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(11), P. 746 - 746
Published: Oct. 23, 2024
In
this
study,
Cu-doped
TiO2
combined
with
natural
zeolite
(ZT)
was
synthesized
and
applied
as
a
fixed
powder
layer
on
poly(methyl
methacrylate)
(PMMA)
tablets.
The
material’s
morphology,
structural,
chemical
properties
were
characterized
using
high-resolution
scanning
electron
microscopy,
Raman
spectroscopy,
Brunauer–Emmett–Teller
analysis.
antioxidant
capacity
evaluated
by
assessing
the
neutralization
of
hydroxyl
radicals
iron
(III)
ions.
For
first
time,
tablets
Cu-TiO2
ZT
deposited
PMMA
carrier
investigated
for
removing
two
dyes,
methyl
orange
(MO)
methylene
blue
(MB),
from
water
under
simulated
solar
(SS)
UVC
irradiation.
Under
SS
irradiation,
Cu-TiO2/PMMA
Cu-TiO2/ZT/PMMA
achieved
about
21%
degradation
MB
after
240
min.
This
result
is
particularly
noteworthy
because
radiation
provides
lower
energy
compared
UVC,
making
process
more
economically
efficient.
Furthermore,
photocatalysts
are
immobilized
stable
carrier,
which
enhances
method’s
cost-effectiveness
reducing
material
loss
simplifying
recovery.
presence
ZT/PMMA
tablets,
69%
removed
adsorption
Additionally,
we
explored
mechanism
degradation,
revealing
that
enhanced
generation
plays
pivotal
role
in
effective
MB.
At
same
photogenerated
holes
contribute
to
removal
MO.
overall
results
suggest
obtained
promising
solution
purification
due
their
effectiveness,
simplicity,
low
processing
cost.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(20), P. 4908 - 4908
Published: Oct. 17, 2024
Sunscreen
molecules
play
a
critical
role
in
protecting
skin
from
ultraviolet
radiation,
yet
their
efficient
detection
and
separation
pose
challenges
environmental
analytical
contexts.
In
this
work,
we
employ
multilevel
modeling
approach
to
investigate
the
molecular
interactions
between
representative
sunscreen
polydimethylsiloxane
(PDMS)
polymer,
material
widely
recognized
for
its
sorbent
properties.
Our
goal
is
explore
how
these
can
be
fine-tuned
facilitate
effective
of
portable
membrane
inlet
mass
spectrometry
(MIMS)
systems,
potentially
leading
development
new
materials.
Using
combination
advanced
computational
techniques-force
field
dynamics
simulations,
semiempirical
GFN2-xTB,
density
functional
theory
calculations-we
assess
interaction
strength
noncovalent
molecules,
namely
oxybenzone,
naphthalene,
benzo[a]anthracene,
avobenzone,
1,3,5-trichlorobenzene,
with
PDMS.
Additionally,
effect
temperature
on
evaluated,
aim
extending
capacities
PDMS
beyond
light
polar
larger,
compounds.
This
study
provides
insights
into
molecular-level
that
may
guide
design
novel
materials
separation.
International Research Journal of Multidisciplinary Technovation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 169 - 185
Published: Nov. 21, 2024
The
increasing
dependence
on
non-renewable
resources
for
energy
storage
has
accelerated
the
development
of
supercapacitor
technology,
which
is
now
essential
to
portable
devices
and
electric
cars
because
its
high-power
density
quick
charge/discharge
speed.
Optimized
geometry,
weak
C-H‧‧‧O
hydrogen
bonding
interactions
inside
methylene
groups
affect
bond
lengths,
carboxylic
group
in
adipic
acid
(ADPI)
shortens
lengths
(C14–C15
C4–C5).
DFT
simulations
demonstrate
a
fair
agreement
experimental
data.
According
vibrational
studies,
O-H
C=O
groups'
frequencies
are
greatly
influenced
by
reactive
displayed
-COOH
derivatives.
With
theoretical
values
demonstrating
significant
PED
contributions,
these
reduce
stretching
frequency,
seen
as
an
band
at
3405
cm⁻¹
FT-IR
spectra.
In
ADPI,
atoms
interact
with
neighboring
atoms'
σ*
orbitals
(O2-C4),
(O12-C14),
(C4-C5),
(C14-C15),
(O1-C4),
(O11-C14)
through
lone
pairs
electrons
localized
O1
(LP2),
O11
O2
(LP1),
O12
(LP1);
have
fairly
high
stabilization
33.78,
17.91,
6.75,
6.75
kcal/mol,
accordingly.
Redox
peaks
increased
specific
capacitance
scan
rate
revealed
cyclic
voltammetry
study
suggesting
efficient
electron
transport,
improved
charge
storage,
encouraging
prospects
electrochemical
applications.
ADPI's
appropriateness
high-performance
applications
such
supercapacitors
supported
impedance
analysis,
Nyquist
plot
decreased
semicircle
sharp
low-frequency
slope.
This
demonstrates
effective
transfer,
ion
diffusion,
capacitive
behavior.