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Dynamic disorder in solid tetrakis(trimethylstannyl)methane, C(SnMe3)4, investigated by one- and two-dimensional variable-temperature119Sn and13C NMR spectroscopy

Title data

Bernatowicz, Piotr ; Dinnebier, Robert E. ; Helluy, Xavier ; Kümmerlen, Jörg ; Sebald, Angelika:
Dynamic disorder in solid tetrakis(trimethylstannyl)methane, C(SnMe3)4, investigated by one- and two-dimensional variable-temperature119Sn and13C NMR spectroscopy.
In: Applied Magnetic Resonance. Vol. 17 (1999) Issue 2 . - pp. 385-398.
ISSN 1613-7507
DOI: https://doi.org/10.1007/BF03162173

Official URL: Volltext

Abstract in another language

Modes of molecular reorientation in solid tetrakis(trimethylstannyl)methane, C(SnMe3)4, have been investigated by one- and two-dimensional13C and119Sn static and magic-angle spinning nuclear magnetic resonance spectroscopy (NMR) in the temperature range from 150 to 290 K. Spectral lineshape fitting of one- and two-dimensional119Sn NMR experiments shows the pseudo-fivefold disorder previously observed by single-crystal X-ray diffraction on C(SnMe3)4 to be dynamic disorder (activation energy Ea ≅ 32 kJmol−1). A dynamic-disorder model where each tin atom in a C(SnMe3)4 molecule occupies the twenty sites of a nearly perfect pentagonal dodecahedron with equal probability agrees best with the experimental solid-state NMR results.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 23 Mar 2016 07:02
Last Modified: 23 Mar 2016 07:02
URI: https://eref.uni-bayreuth.de/id/eprint/31999