Syntheses and crystal structures of Ni(II) complexes with pyridine-based macrocyclic ligands
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F22%3A73615104" target="_blank" >RIV/61989592:15310/22:73615104 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11310/22:10443824
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0277538721005349" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0277538721005349</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.poly.2021.115552" target="_blank" >10.1016/j.poly.2021.115552</a>
Alternative languages
Result language
angličtina
Original language name
Syntheses and crystal structures of Ni(II) complexes with pyridine-based macrocyclic ligands
Original language description
Three pyridine-based macrocyclic ligands, two containing one pyridine pendant arm (L-1 and L-2) and one containing piperazine rings in the macrocyclic scaffold (L-3), with an increasing size of the macrocycle from 12-, 14- to 30-membered ring for L-1-L-3 were synthesized and characterized. A series of Ni(II) complexes with all these ligands, with molecular formulas [NiL1(CH3OH)](ClO4)(2) (1), [NiL2(CH3CN)](ClO4)(2) (2), and [Ni2L3(DMF)(2)(CH3CN)(2)](ClO4)(4) (3) (DMF = N,N-dimethylformamide), was prepared and thoroughly characterized. Single crystal X-ray structural analysis confirmed that all the complexes have a coordination number of six and their geometries are close to octahedral. In the case of the mononuclear complexes 1 and 2, all the nitrogen atoms of the macrocycle are coordinated, however, in the dinuclear complex 3 with the piperazine-based ligand L-3, two nitrogen donor atoms (of the total number of ten) are uncoordinated. The first coordination spheres of all the complexes are completed by solvent molecules. The values of effective magnetic moments, determined by the Evans method in solution, are 3.12, 3.19 and 4.36 mu(B) for complexes 1, 2 and 3, respectively, which correspond well to the theoretical spin-only values.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10402 - Inorganic and nuclear chemistry
Result continuities
Project
—
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
POLYHEDRON
ISSN
0277-5387
e-ISSN
1873-3719
Volume of the periodical
211
Issue of the periodical within the volume
JAN
Country of publishing house
GB - UNITED KINGDOM
Number of pages
9
Pages from-to
"115552-1"-"115552-9"
UT code for WoS article
000747434100001
EID of the result in the Scopus database
2-s2.0-85118944092