Diversity of Strontium Nitridogermanates(IV): Novel Sr 4 [GeN 4 ], Sr 8 Ge 2 [GeN 4 ], and Sr 17 Ge 2 [GeN 3 ] 2 [GeN 4 ] 2 | Zendy

Link Lukas | Zendy; Niewa Rainer | Zendy

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Diversity of Strontium Nitridogermanates(IV): Novel Sr 4 [GeN 4 ], Sr 8 Ge 2 [GeN 4 ], and Sr 17 Ge 2 [GeN 3 ] 2 [GeN 4 ] 2

Author(s) -

Link Lukas,

Niewa Rainer

Publication year - 2020

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.202000008

Subject(s) - strontium , crystallography , trigonal crystal system , space group , chemistry , niobium , mineralogy , analytical chemistry (journal) , materials science , crystal structure , x ray crystallography , physics , metallurgy , organic chemistry , chromatography , diffraction , optics

Single crystals of three new strontium nitridogermanates(IV) were grown in sealed niobium ampules from sodium flux. Dark red Sr 4 [GeN 4 ] crystallizes in space group P 2 1 / c with a = 9.7923(2) Å, b = 6.3990(1) Å, c = 11.6924(3) Å and β = 115.966(1)°. Black Sr 8 Ge 2 [GeN 4 ] contains Ge 4– anions coexisting with [Ge IV N 4 ] 8– tetrahedra and adopts space group Cc with a = 10.1117(4) Å, b = 17.1073(7) Å, c = 10.0473(4) Å and β = 115.966(1)°. Black Sr 17 Ge 6 N 14 features the same anions alongside trigonal planar [Ge IV N 3 ] 5– units. It crystallizes in P 1 with a = 7.5392(1) Å, b = 9.7502(2) Å, c = 11.6761(2) Å, α = 103.308(1)°, β = 94.651(1)° and γ = 110.248(1)°.

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