Materials Data on TmMnSi by Materials Project
TmMnSi crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tm is bonded in a 5-coordinate geometry to six equivalent Mn and five equivalent Si atoms. There are a spread of Tm–Mn bond distances ranging from 2.97–3.24 Å. There are a spread of Tm–Si bond distances ranging from 2.88–2.92 Å. Mn is bonded in a 4-coordinate geometry to six equivalent Tm and four equivalent Si atoms. There are a spread of Mn–Si bond distances ranging from 2.46–2.70 Å. Si is bonded in a 9-coordinate geometry to five equivalent Tm and four equivalent Mn atoms.
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