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Synthesis and Structure Determination of Nd16Ti5S17O17

โœ Scribed by C. Boyer-Candalen; C. Deudon; A. Meerschaut

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
336 KB
Volume
152
Category
Article
ISSN
0022-4596

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โœฆ Synopsis

The structure of the new compound Nd 16 Ti 5 S 17 O 17 was determined by single-crystal X-ray di4raction. The following data were obtained: M r โ€ซุโ€ฌ 3364.4 g mol +1 , tetragonal symmetry, space group I4/m (No. 87), unit cell parameters a โ€ซุโ€ฌ 22.153(2) A > , c โ€ซุโ€ฌ 3.9426(3) A > , V โ€ซุโ€ฌ 1935 A > 3 , Z โ€ซุโ€ฌ 2. Re5nement for 1282 unique re6ections and 62 parameters converged to the reliability factor R โ€ซุโ€ฌ 2.22% (for 1059 re6ections with I53 (I)). The structure can be schematically described on the basis of [NdS] plane fragments connected by 99(Nd 8 S 9 ):: clusters, which delimit a 5lled channel of squared section. Within these channels, octahedral Ti-centered chains are developed along the c axis.

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