Citation: ZHANG Youjuan, YANG Jinhui, CHEN Jing. Synthesis, Crystal Structure and Magnetic Properties of a Zinc(Ⅱ) Complex with Quinoxaline-substituted Nitronyl Nitroxide Radicals[J]. Chinese Journal of Applied Chemistry, ;2016, 33(12): 1435-1440. doi: 10.11944/j.issn.1000-0518.2016.12.160073 shu

Synthesis, Crystal Structure and Magnetic Properties of a Zinc(Ⅱ) Complex with Quinoxaline-substituted Nitronyl Nitroxide Radicals

ZHANG Youjuan ^a ,
YANG Jinhui ^a,b ,
CHEN Jing ^a,b,,

1.
a College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang, Henan 455002, China;
2.
b School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450052, China

Corresponding author: CHEN Jing,
Received Date: 25 February 2016
Available Online: 25 April 2016
Fund Project:

A two-spin complex{[Zn(acac)₂](NITQ)₂}·2CH₂Cl₂(acac=acetylaceonate anion, NITQ=2-(2-quinoxalinyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide) was synthesized from a quinoxalinyl substituted nitroxide radical. The X-ray analysis of the single crystal reveals that two NITQ radicals act as monodentate ligands coordinated to Zn²⁺ to form a two-spin octahedral complex. The magnetic study shows that two NITQ radicals have ferromagnetic interaction, the Curie constant C=0.7242 cm³·K/mol and Weiss constant θ=0.5958 K.
- nitronyl nitroxide,
- Zn(Ⅱ),
- crystal structure,
- magnetic properties
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