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CFA-2 and CFA-3 (Coordination Framework Augsburg University-2 and -3) novel MOFs assembled from trinuclear Cu(I)/Ag(I) secondary building units and 3,3',5,5'-tetraphenyl-bipyrazolate ligands
CFA-2 and CFA-3 (Coordination Framework Augsburg University-2 and -3) novel MOFs assembled from trinuclear Cu(I)/Ag(I) secondary building units and 3,3',5,5'-tetraphenyl-bipyrazolate ligands
CFA-2 and CFA-3 (Coordination Framework Augsburg University-2 and -3) novel MOFs assembled from trinuclear Cu(I)/Ag(I) secondary building units and 3,3',5,5'-tetraphenyl-bipyrazolate ligands
pl
dc.type
JournalArticle
pl
dc.description.physical
6909-6921
pl
dc.abstract.en
The syntheses of H
2
-phbpz, [Cu
2
(phbpz)]·2DEF·MeOH (
CFA-2
) and [Ag
2
(phbpz)] (
CFA-3
)(H
2
-phbpz =
3,3
’
,5,5
’
-tetraphenyl-1
H
,1
’
H
-4,4
’
-bipyrazole) compounds and their crystal structures are described. The Cu(
I
)
containing metal
–
organic framework
CFA-2
crystallizes in the tetragonal crystal system, within space
group
I
4
1
/
a
(no. 88) and the following unit cell parameters:
a
= 30.835(14),
c
= 29.306(7) Å,
V
=27865(19)
Å
3
.
CFA-2
features a
fl
exible 3-D three-connected two-fold interpenetrated porous structure con-
structed of triangular Cu(
I
) subunits. Upon exposure to di
ff
erent kinds of liquids (MeOH, EtOH, DMF, DEF)
CFA-2
shows pronounced breathing e
ff
ects.
CFA-3
crystallizes in the monoclinic crystal system, within
space group
P
2
1
/
c
(no. 14) and the following unit cell parameters:
a
= 16.3399(3),
b
= 32.7506(4),
c
=
16.2624(3) Å,
β
= 107.382(2)°,
V
= 8305.3(2) Å
3
. In contrast to the former compound,
CFA-3
features a
layered 2-D three-connected structure constructed from triangular Ag(
I
) subunits. Both compounds are
characterized by elemental and thermogravimetric analyses, single crystal structure analysis and X-ray
powder di
ff
raction, FTIR- and
fl
uorescence spectroscopy. Preliminary results on oxygen activation in
CFA-2
are presented and potential improvements in terms of framework robustness and catalytic
e
ffi
ciency are discussed.
pl
dc.description.volume
42
pl
dc.description.number
19
pl
dc.identifier.doi
10.1039/C3DT32302A
pl
dc.identifier.eissn
1477-9234
pl
dc.title.journal
Dalton Transactions
pl
dc.language.container
eng
pl
dc.affiliation
Wydział Chemii : Zakład Krystalochemii i Krystalofizyki
pl
dc.subtype
Article
pl
dc.rights.original
bez licencji
pl
.pointsMNiSW
[2013 A]: 40
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