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Wyllieite-type Ag(1.09)Mn(3.46)(AsO(4))(3).

Frigui W, Zid MF, Driss A - Acta Crystallogr Sect E Struct Rep Online (2012)

Bottom Line: The MnO(6) octa-hedra are linked through edge- and corner-sharing.One of the Mn sites is also located on an inversion centre and is partly occupied, with an occupancy of 0.916 (5).Related compounds with alluaudite-type or rosemaryite-type structures are compared and discussed.

View Article: PubMed Central - HTML - PubMed

Affiliation: Laboratoire de Matériaux et Cristallochimie, Faculté des Sciences de Tunis, Université de Tunis ElManar, 2092 Manar II Tunis, Tunisia.

ABSTRACT
Single crystals of wyllieite-type silver(I) manganese(II) tris-orthoarsenate(V), Ag(1.09)Mn(3.46)(AsO(4))(3), were grown by a solid-state reaction. The three-dimensional framework is made up from four Mn(2+)/Mn(3+) cations surrounded octa-hedrally by O atoms. The MnO(6) octa-hedra are linked through edge- and corner-sharing. Three independent AsO(4) tetra-hedra are linked to the framework through common corners, delimiting channels along [100] in which two partly occupied Ag(+) sites reside, one on an inversion centre and with an occupancy of 0.631 (4), the other on a general site and with an occupancy of 0.774 (3), both within distorted tetra-hedral environments. One of the Mn sites is also located on an inversion centre and is partly occupied, with an occupancy of 0.916 (5). Related compounds with alluaudite-type or rosemaryite-type structures are compared and discussed.

No MeSH data available.


Unité asymétrique dans Ag1.09Mn3.46(AsO4)3. Les éllipsoïdes ont été définis avec 50% de probabilité. [Code de symétrie]: (i) 1 + x,y,z; (ii) x,1/2 - y,z- 1/2; (iii) 1 - x,1/2 + y,1/2 - z; (iv) x,1/2 - y,1/2 + z; (v) 1 + x,1/2 - y,1/2 + z; (vi) 1 - x,-1/2 + y,1/2 - z; (vii) 1 - x,-y,1 - z; (viii) -1 + x,y,z.
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Fap1: Unité asymétrique dans Ag1.09Mn3.46(AsO4)3. Les éllipsoïdes ont été définis avec 50% de probabilité. [Code de symétrie]: (i) 1 + x,y,z; (ii) x,1/2 - y,z- 1/2; (iii) 1 - x,1/2 + y,1/2 - z; (iv) x,1/2 - y,1/2 + z; (v) 1 + x,1/2 - y,1/2 + z; (vi) 1 - x,-1/2 + y,1/2 - z; (vii) 1 - x,-y,1 - z; (viii) -1 + x,y,z.


Wyllieite-type Ag(1.09)Mn(3.46)(AsO(4))(3).

Frigui W, Zid MF, Driss A - Acta Crystallogr Sect E Struct Rep Online (2012)

Unité asymétrique dans Ag1.09Mn3.46(AsO4)3. Les éllipsoïdes ont été définis avec 50% de probabilité. [Code de symétrie]: (i) 1 + x,y,z; (ii) x,1/2 - y,z- 1/2; (iii) 1 - x,1/2 + y,1/2 - z; (iv) x,1/2 - y,1/2 + z; (v) 1 + x,1/2 - y,1/2 + z; (vi) 1 - x,-1/2 + y,1/2 - z; (vii) 1 - x,-y,1 - z; (viii) -1 + x,y,z.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3379051&req=5

Fap1: Unité asymétrique dans Ag1.09Mn3.46(AsO4)3. Les éllipsoïdes ont été définis avec 50% de probabilité. [Code de symétrie]: (i) 1 + x,y,z; (ii) x,1/2 - y,z- 1/2; (iii) 1 - x,1/2 + y,1/2 - z; (iv) x,1/2 - y,1/2 + z; (v) 1 + x,1/2 - y,1/2 + z; (vi) 1 - x,-1/2 + y,1/2 - z; (vii) 1 - x,-y,1 - z; (viii) -1 + x,y,z.
Bottom Line: The MnO(6) octa-hedra are linked through edge- and corner-sharing.One of the Mn sites is also located on an inversion centre and is partly occupied, with an occupancy of 0.916 (5).Related compounds with alluaudite-type or rosemaryite-type structures are compared and discussed.

View Article: PubMed Central - HTML - PubMed

Affiliation: Laboratoire de Matériaux et Cristallochimie, Faculté des Sciences de Tunis, Université de Tunis ElManar, 2092 Manar II Tunis, Tunisia.

ABSTRACT
Single crystals of wyllieite-type silver(I) manganese(II) tris-orthoarsenate(V), Ag(1.09)Mn(3.46)(AsO(4))(3), were grown by a solid-state reaction. The three-dimensional framework is made up from four Mn(2+)/Mn(3+) cations surrounded octa-hedrally by O atoms. The MnO(6) octa-hedra are linked through edge- and corner-sharing. Three independent AsO(4) tetra-hedra are linked to the framework through common corners, delimiting channels along [100] in which two partly occupied Ag(+) sites reside, one on an inversion centre and with an occupancy of 0.631 (4), the other on a general site and with an occupancy of 0.774 (3), both within distorted tetra-hedral environments. One of the Mn sites is also located on an inversion centre and is partly occupied, with an occupancy of 0.916 (5). Related compounds with alluaudite-type or rosemaryite-type structures are compared and discussed.

No MeSH data available.