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14N NMR spectra of covalent halogen and arsenic azides: XN3 (X  Cl, Br, I), (CH3)nAs(N3)3−n (n = 0, 1, 2) and [As(N3)4]+

✍ Scribed by Petra Geissler; Thomas M. Klapötke; Heinz-Jürgen Kroth


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
254 KB
Volume
51
Category
Article
ISSN
1386-1425

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## Ah&r& -Proton spin-lattice relaxation time (TJ is measured in [N(CH,),]PbX, (X=Cl, Br, I) from 3CKt-77 K at 9.75 Ml-lx. All the compounds show discontinuous changes in Ti values (at 256,270 and 277 K, respectively), indicating phase transitions. Single Tr minimum is observed in all the cases an