New copper(II) coordination compounds with 1,3-bis(5-(pyridin-2-yl)-1,2,4-triazol-3-yl)propane
Two new copper(II) complexes with 1,3-bis(5-(pyridin-2-yl)-1,2,4-triazol-3-yl)propane (H 2 L), [Cu 2 (HL)Cl 3 ] · H 2 O ( I ) and [Cu(H 2 L)](ClO 4 ) 2 ( II ), were described. The compounds were characterized by elemental analysis, IR spectroscopy, and magnetochemical data. According to X-ray diffra...
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Published in | Russian journal of coordination chemistry Vol. 43; no. 1; pp. 37 - 43 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
Moscow
Pleiades Publishing
2017
Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | Two new copper(II) complexes with 1,3-bis(5-(pyridin-2-yl)-1,2,4-triazol-3-yl)propane (H
2
L), [Cu
2
(HL)Cl
3
] · H
2
O (
I
) and [Cu(H
2
L)](ClO
4
)
2
(
II
), were described. The compounds were characterized by elemental analysis, IR spectroscopy, and magnetochemical data. According to X-ray diffraction data (CIF files CCDC nos. 1497511 (
I
), 1497512 (
II
)), complex
I
is binuclear and the metal cations are bound by the nitrogen atoms of the triazole ring and by the chloride anion. Complex
II
is mononuclear. Analysis of the temperature dependence of the magnetic susceptibility of
I
attests to the antiferromagnetic coupling of paramagnetic centers (–2
J
= 18 cm
–1
). Exchange channels are analyzed by means of density functional theory (B3LYP/6-311G(d)) using the broken symmetry approach. |
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ISSN: | 1070-3284 1608-3318 |
DOI: | 10.1134/S1070328417010043 |