Materials Data on Y3(Si3Os)4 by Materials Project
Y3(OsSi3)4 crystallizes in the orthorhombic Cmce space group. The structure is three-dimensional. there are two inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in a 4-coordinate geometry to four Os+0.25- and twelve Si+0.67- atoms. There are two shorter (3.25 Å) and two longer (3.27 Å) Y–Os bond lengths. There are a spread of Y–Si bond distances ranging from 3.00–3.24 Å. In the second Y3+ site, Y3+ is bonded in a 12-coordinate geometry to six Os+0.25- and twelve Si+0.67- atoms. There are two shorter (3.15 Å) and four longer (3.22 Å) Y–Os bond lengths. There are a spread of Y–Si bond distances ranging from 3.04–3.11 Å. There are twelve inequivalent Os+0.25- sites. In the first Os+0.25- site, Os+0.25- is bonded in a 7-coordinate geometry to two equivalent Y3+ and seven Si+0.67- atoms. There are a spread of Os–Si bond distances ranging from 2.37–2.54 Å. In the second Os+0.25- site, Os+0.25- is bonded in a 7-coordinate geometry to two equivalent Y3+ and seven Si+0.67- atoms. There are a spread of Os–Si bond distances ranging from 2.37–2.54 Å. In the third Os+0.25- site, Os+0.25- is bonded in a 7-coordinate geometry to two equivalent Y3+ and seven Si+0.67- atoms. There are a spread of Os–Si bond distances ranging from 2.37–2.54 Å. In the fourth Os+0.25- site, Os+0.25- is bonded in a 5-coordinate geometry to five Y3+ and five Si+0.67- atoms. The Os–Y bond length is 3.15 Å. There are one shorter (2.34 Å) and four longer (2.43 Å) Os–Si bond lengths. In the fifth Os+0.25- site, Os+0.25- is bonded in a 5-coordinate geometry to five Y3+ and five Si+0.67- atoms. There are one shorter (2.34 Å) and four longer (2.43 Å) Os–Si bond lengths. In the sixth Os+0.25- site, Os+0.25- is bonded in a 5-coordinate geometry to five Y3+ and five Si+0.67- atoms. The Os–Y bond length is 3.15 Å. There are one shorter (2.34 Å) and four longer (2.43 Å) Os–Si bond lengths. In the seventh Os+0.25- site, Os+0.25- is bonded in a 7-coordinate geometry to two equivalent Y3+ and seven Si+0.67- atoms. Both Os–Y bond lengths are 3.22 Å. There are a spread of Os–Si bond distances ranging from 2.37–2.54 Å. In the eighth Os+0.25- site, Os+0.25- is bonded in a 7-coordinate geometry to two equivalent Y3+ and seven Si+0.67- atoms. Both Os–Y bond lengths are 3.22 Å. There are a spread of Os–Si bond distances ranging from 2.37–2.54 Å. In the ninth Os+0.25- site, Os+0.25- is bonded in a 7-coordinate geometry to two equivalent Y3+ and seven Si+0.67- atoms. Both Os–Y bond lengths are 3.22 Å. There are a spread of Os–Si bond distances ranging from 2.37–2.54 Å. In the tenth Os+0.25- site, Os+0.25- is bonded in a 5-coordinate geometry to five Y3+ and five Si+0.67- atoms. There are a spread of Os–Y bond distances ranging from 3.15–3.27 Å. There are one shorter (2.34 Å) and four longer (2.43 Å) Os–Si bond lengths. In the eleventh Os+0.25- site, Os+0.25- is bonded in a 5-coordinate geometry to five Y3+ and five Si+0.67- atoms. There are a spread of Os–Y bond distances ranging from 3.15–3.27 Å. There are one shorter (2.34 Å) and four longer (2.43 Å) Os–Si bond lengths. In the twelfth Os+0.25- site, Os+0.25- is bonded in a 5-coordinate geometry to five Y3+ and five Si+0.67- atoms. There are a spread of Os–Y bond distances ranging from 3.15–3.27 Å. There are one shorter (2.34 Å) and four longer (2.43 Å) Os–Si bond lengths. There are seven inequivalent Si+0.67- sites. In the first Si+0.67- site, Si+0.67- is bonded in a 1-coordinate geometry to four equivalent Y3+, one Os+0.25-, and four Si+0.67- atoms. All Si–Si bond lengths are 2.47 Å. In the second Si+0.67- site, Si+0.67- is bonded in a 9-coordinate geometry to two equivalent Y3+, three Os+0.25-, and four Si+0.67- atoms. The Si–Os bond length is 2.37 Å. There are two shorter (2.63 Å) and two longer (2.64 Å) Si–Si bond lengths. In the third Si+0.67- site, Si+0.67- is bonded in a 9-coordinate geometry to two equivalent Y3+, three Os+0.25-, and four Si+0.67- atoms. There are two shorter (2.63 Å) and two longer (2.64 Å) Si–Si bond lengths. In the fourth Si+0.67- site, Si+0.67- is bonded in a 9-coordinate geometry to two equivalent Y3+, three Os+0.25-, and four Si+0.67- atoms. There are two shorter (2.63 Å) and two longer (2.64 Å) Si–Si bond lengths. In the fifth Si+0.67- site, Si+0.67- is bonded in a 2-coordinate geometry to three Y3+, two Os+0.25-, and four Si+0.67- atoms. There are one shorter (2.59 Å) and one longer (2.68 Å) Si–Si bond lengths. In the sixth Si+0.67- site, Si+0.67- is bonded in a 2-coordinate geometry to three Y3+, two Os+0.25-, and four Si+0.67- atoms. In the seventh Si+0.67- site, Si+0.67- is bonded in a 9-coordinate geometry to two equivalent Y3+, three Os+0.25-, and four Si+0.67- atoms. There are one shorter (3.04 Å) and one longer (3.05 Å) Si–Y bond lengths. There are two shorter (2.63 Å) and two longer (2.64 Å) Si–Si bond lengths.