Aluminosilicate Relatives: Chalcogenoaluminogermanates Rb 3(AlQ2)3(GeQ2)7 (Q = S, Se)

Alexander Rothenberger, Maryam Shafaei-Fallah, Mercouri G Kanatzidis

Research output: Contribution to journal › Article

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Abstract

The new compounds Rb3(AlQ2)3(GeQ 2)7 [Q = S (1), Se (2)] feature the 3D anionic open framework [(AlQ2)3(GeQ2)7] 3- in which aluminum and germanium share tetrahedral coordination sites. Rb ions are located in channels formed by the connection of 8, 10, and 16 (Ge/Al)S4 tetrahedra. The isostructural sulfur and selenium derivatives crystallize in the space group P21/c. 1: a = 6.7537(3) Å, b = 37.7825(19) Å, c = 6.7515(3) Å, and β = 90.655(4)°. 2: a = 7.0580(5) Å, b = 39.419(2) Å, c = 7.0412(4) Å, β = 90.360(5)°, and Z = 2 at 190(2) K. The band gaps of the congruently melting chalcogenogermanates are 3.1 eV (1) and 2.4 eV (2).

Original languageEnglish
Pages (from-to)9749-9751
Number of pages3
JournalInorganic Chemistry
Volume49
Issue number21
DOIs
Publication statusPublished - Nov 1 2010

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Germanium
Selenium
selenium
Aluminum
Sulfur
tetrahedrons
germanium
Melting
Energy gap
sulfur
melting
Ions
Derivatives
aluminum
ions
aluminosilicate

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Aluminosilicate Relatives : Chalcogenoaluminogermanates Rb 3(AlQ2)3(GeQ2)7 (Q = S, Se). / Rothenberger, Alexander; Shafaei-Fallah, Maryam; Kanatzidis, Mercouri G.

In: Inorganic Chemistry, Vol. 49, No. 21, 01.11.2010, p. 9749-9751.

Research output: Contribution to journal › Article

Rothenberger, A, Shafaei-Fallah, M & Kanatzidis, MG 2010, 'Aluminosilicate Relatives: Chalcogenoaluminogermanates Rb 3(AlQ2)3(GeQ2)7 (Q = S, Se)', Inorganic Chemistry, vol. 49, no. 21, pp. 9749-9751. https://doi.org/10.1021/ic101627v
Rothenberger A, Shafaei-Fallah M, Kanatzidis MG. Aluminosilicate Relatives: Chalcogenoaluminogermanates Rb 3(AlQ2)3(GeQ2)7 (Q = S, Se). Inorganic Chemistry. 2010 Nov 1;49(21):9749-9751. https://doi.org/10.1021/ic101627v
Rothenberger, Alexander ; Shafaei-Fallah, Maryam ; Kanatzidis, Mercouri G. / Aluminosilicate Relatives : Chalcogenoaluminogermanates Rb 3(AlQ2)3(GeQ2)7 (Q = S, Se). In: Inorganic Chemistry. 2010 ; Vol. 49, No. 21. pp. 9749-9751.
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abstract = "The new compounds Rb3(AlQ2)3(GeQ 2)7 [Q = S (1), Se (2)] feature the 3D anionic open framework [(AlQ2)3(GeQ2)7] 3- in which aluminum and germanium share tetrahedral coordination sites. Rb ions are located in channels formed by the connection of 8, 10, and 16 (Ge/Al)S4 tetrahedra. The isostructural sulfur and selenium derivatives crystallize in the space group P21/c. 1: a = 6.7537(3) {\AA}, b = 37.7825(19) {\AA}, c = 6.7515(3) {\AA}, and β = 90.655(4)°. 2: a = 7.0580(5) {\AA}, b = 39.419(2) {\AA}, c = 7.0412(4) {\AA}, β = 90.360(5)°, and Z = 2 at 190(2) K. The band gaps of the congruently melting chalcogenogermanates are 3.1 eV (1) and 2.4 eV (2).",
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N2 - The new compounds Rb3(AlQ2)3(GeQ 2)7 [Q = S (1), Se (2)] feature the 3D anionic open framework [(AlQ2)3(GeQ2)7] 3- in which aluminum and germanium share tetrahedral coordination sites. Rb ions are located in channels formed by the connection of 8, 10, and 16 (Ge/Al)S4 tetrahedra. The isostructural sulfur and selenium derivatives crystallize in the space group P21/c. 1: a = 6.7537(3) Å, b = 37.7825(19) Å, c = 6.7515(3) Å, and β = 90.655(4)°. 2: a = 7.0580(5) Å, b = 39.419(2) Å, c = 7.0412(4) Å, β = 90.360(5)°, and Z = 2 at 190(2) K. The band gaps of the congruently melting chalcogenogermanates are 3.1 eV (1) and 2.4 eV (2).

AB - The new compounds Rb3(AlQ2)3(GeQ 2)7 [Q = S (1), Se (2)] feature the 3D anionic open framework [(AlQ2)3(GeQ2)7] 3- in which aluminum and germanium share tetrahedral coordination sites. Rb ions are located in channels formed by the connection of 8, 10, and 16 (Ge/Al)S4 tetrahedra. The isostructural sulfur and selenium derivatives crystallize in the space group P21/c. 1: a = 6.7537(3) Å, b = 37.7825(19) Å, c = 6.7515(3) Å, and β = 90.655(4)°. 2: a = 7.0580(5) Å, b = 39.419(2) Å, c = 7.0412(4) Å, β = 90.360(5)°, and Z = 2 at 190(2) K. The band gaps of the congruently melting chalcogenogermanates are 3.1 eV (1) and 2.4 eV (2).

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