Indexed by:
Abstract:
Two coordination compounds with the formula Ln(5)(H2O)(OH)(4)(NO3)(3)(BZA)(4)L (Ln = Tb3+ (1), Dy3+ (2)) have been assembled in a one-pot synthesis from the tetrasubstituted cyclen derivative ligand N,N',N '',N'''-tetra-(2-hydroxy-3-methoxy-5-methylbenzyl)-1,4,7,10-tetraazacyclododecane (H4L), Ln(NO3)(3)center dot xH(2)O (Ln = Tb3+ (x = 6), Dy3+ (x = 5)) and the auxiliary ligand benzoic acid (HBZA). Single-crystal X-ray diffraction studies reveal that both compounds feature a novel homometallic appended cubane geometry. The magnetic study on 1 suggests the presence of anti-ferromagnetic interactions, whereas 2 exhibits weak ferromagnetic coupling. Under an applied dc field, 1 shows no out-of-phase alternating current (ac) signal whereas 2 shows slow-relaxation processes that correspond to an energy gap (E-a/k(B)) of 4.11 K and a pre-exponential factor (tau(0)) of 3.45 x 10(-5) s.
Keyword:
Reprint 's Address:
Email:
Version:
Source :
DALTON TRANSACTIONS
ISSN: 1477-9226
Year: 2016
Issue: 32
Volume: 45
Page: 12734-12738
4 . 0 2 9
JCR@2016
3 . 5 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:235
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: