^<13>C NMRおよびESR法を用いた一次元ニッケル-パラジウム混合金属錯体[Ni_<1-x>Pd_xBr(chxn)_2](NO_3)_2(0.00&le;x&le;1.00)の金属原子価とスピン構造の研究

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ID 1466
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Title Alternative
Metal Valence and Spin Structures in 1-D Ni-Pd Mixed-Metal Complexes, [Ni_<1-x>Pd_xBr(chxn)_2](NO_3)_2(0.00&le;x&le;1.00), Studied by ^<13>C NMR and ESR Measurements
Authors
JOSAKO, Aki
KIMURA, Noriyoshi Faculty of Education 和歌山大学研究者総覧 researchmap
Self DOI
10.19002/AN00257977.58.31
Journal Title
Bulletin of the Faculty of Education, Wakayama University. Natural science
ISSN
13424645
NCID
AN00257977
Volume
58
Start Page
31
End Page
34
Order
06
Published Date
2008-02-29
Language
eng
Abstract Alternative
^<13>C solid-state NMR and ESR spectra were observed in [Ni_<1-x>Pd_xBr(chxn)_2] (NO_3)_2 (0.00&le;x&le;1.00 ; chxn : 1R, 2R-diamonocyclohexane), where the antiferromagnetically coupled paramagnetic-Br-Ni^<3+>-Br-Ni^<3+>-Br-chains are formed at x=0.00, while the mixed-valence-Br-Pd^<2+>-Br-Pd^<4+>-Br-state is formed at x=1.00. The ^<13>C NMR signals at C_α coordinating to Ni atoms in mixed-metal complexes afforded the marked decrease of intensity with increasing x from 0.00. This result seems to be attributed to the effect of the strong spin fluctuation on paramagnetic Ni^<3+> sites, and was supported by ESR spectrum measurement.
Content Type
Departmental Bulletin Paper
Text Version
publisher
Accession No.
KJ00005091755