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Synthesis and Crystal Structure of a New Alkali Metal Tantalum Sulfide: Na3TaS4

✍ Scribed by Sabine Herzog; Christian Näther; Peter Dürichen; Wolfgang Bensch

Publisher
John Wiley and Sons
Year
1998
Tongue
German
Weight
93 KB
Volume
624
Category
Article
ISSN
0372-7874

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✦ Synopsis

Needle-shaped, moisture sensitive, yellow crystals of Na 3 TaS 4 were obtained by the reaction of Na 2 S 3 , Ta, and S at 450 °C. The structure was determined by single crystal X-ray diffraction and refined to R1 and wR2 values of 0.0172 and 0.0381, respectively. Na 3 TaS 4 crystallizes with 32 formula units in the orthorhombic space group Fdd2 (No.: 43) with a = 27.113(4), b = 28.326( ) and c = 7.918(1) A Ê . The structure consists of discrete tetrahedral TaS 4 3± ions and Na + ions.

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