Theoretical Investigation of Bond Dissociation Energies of exo-Polyhedral B–H and B–F Bonds of closo-Borate Anions [BnHn−1X]2− (n = 6, 10, 12; X = H, F)
Computation,
Год журнала:
2025,
Номер
13(2), С. 28 - 28
Опубликована: Янв. 25, 2025
This
paper
reports
on
a
theoretical
investigation
of
the
bond
dissociation
energies
B–H
and
B–F
interactions
closo-borate
anions
[BnHn−1X]2−
(n
=
6,
10
12;
X
H
F),
in
which
homolytic
heterolytic
breaking
cases
were
considered,
main
trends
energy
values
analysed.
The
wB97X-D3/TZVPP
level
theory
was
applied
for
geometry
optimisation
molecular
species
under
consideration.
DLPNO-CCSDT/CBS
single-point
calculations
made
to
ensure
an
accurate
estimation
target
systems’
electronic
energy.
correlations
between
value
variables
such
as
electron
density
descriptors
frontier
orbital
(HOMO,
SOMO
LUMO)
established.
Язык: Английский
Probing the Electronic Structure of [B10H10]2– Dianion Encapsulated by an Octamethylcalix[4]pyrrole Molecule
The Journal of Physical Chemistry A,
Год журнала:
2024,
Номер
128(17), С. 3361 - 3369
Опубликована: Апрель 23, 2024
Despite
being
an
important
Noble Gas Anions: An Overview of Strategies and Bonding Motifs
Chemistry - An Asian Journal,
Год журнала:
2024,
Номер
19(14)
Опубликована: Май 13, 2024
This
review
article
aims
to
provide
an
overview
of
the
strategies
employed
prepare
noble
gas
anions
under
different
environments
and
experimental
conditions,
bonding
motifs
typically
occurring
in
these
species.
Observed
systems
include
fixed
into
synthesized
salts,
detected
phase
or
high-pressure
devices.
The
major
role
theoretical
calculations
is
also
highlighted,
not
only
support
experiments,
but
as
effective
predicting
still
unreported
chemistry
overall
appears
a
varied
rich
paint,
offering
fascinating
opportunities
for
both
experimentalists
theoreticians.
Язык: Английский
Photoelectron Spectroscopy and Computational Study on Microsolvated [B10H10]2– Clusters and Comparisons to Their [B12H12]2– Analogues
The Journal of Physical Chemistry A,
Год журнала:
2024,
Номер
128(33), С. 6981 - 6988
Опубликована: Авг. 7, 2024
Microhydrated
closo-boranes
have
attracted
great
interest
due
to
their
superchaotropic
activity
related
the
well-known
Hofmeister
effect
and
important
applications
in
biomedical
battery
fields.
In
this
work,
we
report
a
combined
negative
ion
photoelectron
spectroscopy
quantum
chemical
investigation
on
hydrated
closo-decaborate
clusters
[B10H10]2–·nH2O
(n
=
1–7)
with
direct
comparison
analogues
[B12H12]2–·nH2O
free
water
clusters.
A
single
H2O
molecule
is
found
be
sufficient
stabilize
intrinsically
unstable
[B10H10]2–
dianion.
The
first
two
molecules
strongly
interact
solute
forming
B–H···H–O
dihydrogen
bonds
while
additional
show
substantially
reduced
binding
energies.
Unlike
possessing
highly
structured
network
attached
arranged
unified
pattern
by
maximizing
bonding,
distinct
structural
arrangements
of
within
are
achieved
cluster
networks
from
trimer
heptamer
resembling
Such
difference
arises
variations
size,
symmetry,
charge
distributions
between
these
dianions.
present
finding
again
confirms
diversity
hydrogen-bonding
microhydrated
enriches
our
understanding
aqueous
borate
chemistry.
Язык: Английский