Effect of Br···O Bonding on the Chiral Assembly of Brominated Amides in the Crystalline Phase
Crystal Growth & Design,
Год журнала:
2024,
Номер
24(22), С. 9564 - 9570
Опубликована: Ноя. 7, 2024
A
cyclic
triamide
of
2,5-dibromo-4-ethylaminobenzoic
acid,
which
has
a
fixed
axial
chirality,
was
prepared
in
racemic
and
enantiopure
forms.
The
structures
the
corresponding
crystals
homochiral
molecular
assembly
formation
were
analyzed
from
viewpoint
intermolecular
interactions.
Although
packing
arrangements
two
types
similar,
difference
suggested
importance
C═O···Br–C
contact
for
chiral
assembly.
statistical
analysis
amides
with
above
revealed
correlation
between
type
(hetero-
or
homochiral)
angle
adjacent
molecules
interacting
through
C═O···Br
bonding.
Specifically,
absence
aryl
groups,
O···Br–C
angles
closer
to
180°
facilitated
molecule
pairs
into
arrangement.
In
contrast,
opposite
trend
observed
presence
one
more
groups.
Furthermore,
displayed
different
preferences
angle,
indicating
its
determining
crystal
chirality.
Our
approach
extended
scope
previously
reported
method
demonstrated
applicability
compounds
other
skeletons.
Язык: Английский
Synthesis, Structural Characterization, and Theoretical Analysis of Nonconventional Bonding in Dinuclear Zinc(II) Complexes with Tridentate Schiff Bases
ACS Omega,
Год журнала:
2024,
Номер
9(40), С. 41787 - 41796
Опубликована: Сен. 27, 2024
Two
tridentate
N,N,O-donor
ligands,
HL
Язык: Английский