Materials Data on Tl3As by Materials Project
Tl3As crystallizes in the hexagonal P6_3/mmc space group. The structure is one-dimensional and consists of two Tl3As ribbons oriented in the (0, 0, 1) direction. Tl1+ is bonded in a 12-coordinate geometry to two equivalent As3- atoms. Both Tl–As bond lengths are 3.37 Å. As3- is bonded in a 12-coordinate geometry to six equivalent Tl1+ atoms.
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