Na3MgB37Si9: an icosa­hedral B12 cluster framework containing {Si8} units

Morito, H.; Ikeda, T.; Katsura, Y.; Yamane, H.

doi:10.1107/S2056989022000494

Figure 1
Interconnection of B₁₂ clusters, Si1/B5—Si1/B5 bonds, {Si₈} units and Na and Mg atoms in Na₃MgB₃₇Si₉. Displacement ellipsoids are drawn at the 90% probability level. Symmetry codes: (i) x + $[{2\over 3}]$ , y + $[{1\over 3}]$ , z + $[{1\over 3}]$ ; (ii) −x + $[{2\over 3}]$ , −y + $[{1\over 3}]$ , −z + $[{1\over 3}]$ ; (iii) −x + y, 1 − x, z; (iv) 1 − y, 1 + x − y, z; (v) y − $[{1\over 3}]$ , −x + y + $[{1\over 3}]$ , −z + $[{1\over 3}]$ ; (vi) x − y + $[{2\over 3}]$ , x + $[{1\over 3}]$ , −z + $[{1\over 3}]$ ; (vii) −x + $[{2\over 3}]$ , −y − $[{2\over 3}]$ , −z + $[{1\over 3}]$ ; (viii) −x + $[{1\over 3}]$ , −y + $[{2\over 3}]$ , −z + $[{2\over 3}]$ ; (ix) x + $[{1\over 3}]$ , y + $[{2\over 3}]$ , z − $[{1\over 3}]$ ; (x) −y + $[{2\over 3}]$ , x − y + $[{1\over 3}]$ , z + $[{1\over 3}]$ ; (xi) x − $[{1\over 3}]$ , y + $[{1\over 3}]$ , z + $[{1\over 3}]$ ; (xii) −x + y + $[{2\over 3}]$ , −x + $[{4\over 3}]$ , z + $[{1\over 3}]$ ; (xiii) 1 − x + y, 1 − x, z; (xiv) x, 1 + y, z; (xv) −y, x − y, z; (xvi) x − y + $[{1\over 3}]$ , x − $[{1\over 3}]$ , −z + $[{2\over 3}]$ ; (xvii) y + $[{1\over 3}]$ , −x + y + $[{2\over 3}]$ , −z + $[{2\over 3}]$ ; (xviii) −x + $[{4\over 3}]$ , −y + $[{2\over 3}]$ , −z + $[{2\over 3}]$ .

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ISSN: 2056-9890

Volume 78| Part 2| February 2022| Pages 203-206

https://doi.org/10.1107/S2056989022000494

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