A Dy 2 Dimer Embedded in One Salen‐type Ligand with Different Local Symmetries Behaves as Zero‐field Single‐Molecule Magnet
A salen‐type Dy 2 complex [Dy 2 (L)(MeOH) 2 (CH 3 COO) 4 ] · 2(MeOH) was isolated and magnetically characterized, in which one hexadentate ligand H 2 L [H 2 L = N , N ‐bis(2‐oxy‐3‐methoxybenzylidene)‐1,2‐phenylenediamine] chelated two Dy III ions, one is located on the apical position of the inner N...
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| Published in | Zeitschrift für anorganische und allgemeine Chemie (1950) Vol. 644; no. 8-9; pp. 443 - 448 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
| Published |
17.05.2018
|
| Online Access | Get full text |
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| Summary: | A salen‐type Dy
2
complex [Dy
2
(L)(MeOH)
2
(CH
3
COO)
4
]
·
2(MeOH) was isolated and magnetically characterized, in which one hexadentate ligand H
2
L [H
2
L =
N
,
N
‐bis(2‐oxy‐3‐methoxybenzylidene)‐1,2‐phenylenediamine] chelated two Dy
III
ions, one is located on the apical position of the inner N
2
O
2
site, leaving the outer O
2
O
2
cavity for another Dy
III
ion. There are two distinct local coordination environments presented as square antiprism (
D
4
d
) for Dy1 and biaugmented trigonal prism (
C
2
v
) for Dy2. Magnetic measurements reveal that the ferromagnetic interaction between two Dy
III
ions occurred within low temperature range and accompanied with significant slow magnetic relaxation behavior with energy barriers to the reversal of magnetization
U
eff
/
K
B
= 40 K under zero dc field. |
|---|---|
| ISSN: | 0044-2313 1521-3749 |
| DOI: | 10.1002/zaac.201800001 |