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inorganic compounds
The reaction of K2S3, Ta and S yields single crystals of tripotassium tetrathiotantalate, K3TaS4. The compound crystallizes with the K3VS4-type structure [van den Berg & de Vries (1964). Proc. K. Ned. Akad. Wet. Ser. B, 67, 178-180]. The structure is based on discrete tetrahedral TaS43- anions, which are connected via K+ cations.