Издательство СО РАН

Издательство СО РАН

Адрес Издательства СО РАН: Россия, 630090, а/я 187
Новосибирск, Морской пр., 2

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Яндекс.Метрика 

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Поиск по журналу

Научные исследования в заповедниках и национальных парках Южной Сибири: Вып. 13

2009 год, номер 6

Structure and magnetic properties of THE pentanuclear complex [Fe2(CN)12Ni3(L)6]·27H2O, where L is nitronyl nitroxide

Hiroyuki Higashikawa1, Katsuya Inoue2, К. Ю. Марюнина3, Г. В. Романенко4, А. С. Богомяков5, О. В. Кузнецова6, Е. Ю. Фурсова7, В. И. Овчаренко8
Ключевые слова: nickel, iron, cyano bridge, nitroxide, pentanuclear complex, crystal structure, magnetic properties
Страницы: 1209-1212

Аннотация

We succeeded in synthesizing a new high-spin complex [Fe2(CN)12Ni3(L)6]·27H2O, where L is stable nitroxide 2-(imidazol-4-yl)-4,4,5,5-tetramethyl-2-imidazoline-3-oxide-1-oxyl. According to X-ray diffraction data, the metal core of the pentanuclear [Fe2(CN)12Ni3(L)6] molecule is a trigonal bipyramid with Fe atoms occupying the axial positions and linked via CN bridges to {NiL2} fragments laying in the equatorial plane. A peculiarity of this coordination compound is a large number of water molecules per the [Fe2(CN)12Ni3(L)6] pentanuclear molecule in the structure. The complex character of the μeff(T) dependence points to many competing channels of exchange interactions between the three types of paramagnetic centers.
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