Acta Crystallographica Section B
Acta Crystallographica
Section B
STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS
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Acta Cryst.
(2013).
B
69
,
356-361
https://doi.org/10.1107/S2052519213013183
Download PDF of article
Download citation
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An alternative approach to rationalizing the structures of the cyclotrisilicates: Rb
10
[Si
6
O
17
], Cs
8
[Si
6
O
16
] and Na
3
Y[Si
6
O
15
] by viewing them in light of the extended Zintl–Klemm concept
Á. Vegas
The extended Zintl–Klemm concept accounts for the structures of the three dimeric cyclotrisilicate anions [Si
6
O
17
]
10−
, [Si
6
O
16
]
8−
and [Si
6
O
15
]
6−
as Zintl polyanions of composition [Ψ-S
4
P
2
]
10−
, [Ψ-S
2
P
4
]
8–
and [Ψ-P
6
]
6−
, respectively.
Keywords:
extended Zintl–Klemm concept
;
connectivity
;
silicate skeletons
.
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