TY - JOUR
T1 - Metallic behaviour and molecular motions in a 1-D -Pt-Pt-I- type complex, Pt2(CH3CS2)4I, studied by solid-state 13C and 1H NMR
AU - Kimura, Noriyoshi
AU - Yamashita, Masahiro
AU - Ikeda, Ryuichi
PY - 2005/4/23
Y1 - 2005/4/23
N2 - 13C and 1H NMR measurements were performed on Pt 2(CH3CS2)4I in which a metallic phase was reported above ca. 300 K. CS2 carbon signals gave the Knight shift with the line-broadening above ca. 300 K. In a range of 200-350 K, the 1H T1 showed that the distribution of two kinds of twist orientations in CS2 skeletons is not static but dynamic, where the jump between the two orientations was shown to take place between highly asymmetric potential wells. The transition from semiconducting to metallic phases is attributable to the Pt valence transition with a dynamic twisting motion of the ligand.
AB - 13C and 1H NMR measurements were performed on Pt 2(CH3CS2)4I in which a metallic phase was reported above ca. 300 K. CS2 carbon signals gave the Knight shift with the line-broadening above ca. 300 K. In a range of 200-350 K, the 1H T1 showed that the distribution of two kinds of twist orientations in CS2 skeletons is not static but dynamic, where the jump between the two orientations was shown to take place between highly asymmetric potential wells. The transition from semiconducting to metallic phases is attributable to the Pt valence transition with a dynamic twisting motion of the ligand.
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U2 - 10.1016/j.cplett.2005.02.104
DO - 10.1016/j.cplett.2005.02.104
M3 - Article
AN - SCOPUS:16344379237
SN - 0009-2614
VL - 406
SP - 111
EP - 115
JO - Chemical Physics Letters
JF - Chemical Physics Letters
IS - 1-3
ER -