Synthesis and structure of the new layered ternary selenide na4cd3se5

Mohammad A. Ansari; James A. Ibers

doi:10.1006/jssc.1993.1103

Synthesis and structure of the new layered ternary selenide na₄cd₃se₅

Mohammad A. Ansari, James A. Ibers^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The new ternary compound Na₄Cd₃Se₅ has been prepared by the reaction of CdSe with Na₂Se₄ at 300/350°C. Na₄Cd₃Se₅ crystallizes in space group D¹⁶₂₄-Pnma of the orthorhombic system with four formula unitsin a cell of dimension a = 14.026(1) ³, b = 4.234(2) ³, c = 20.105(1) ³ at 110 K. The structure consists of zigzag layers of 7 z[Cd₃Se^4-₅] separated by Na^- cations.Alternatively, these layers can be considered as trimers of corner-sharing CdSe₄ tetrahedra. The Cd atoms are each tetrahedrally coordinated to four Se atoms at distances ranging from 2.604(1) ³ to 2.718(1) ³. Each Na atom is surrounded in a square pyramidal manner by five Se atoms at distances of 2.82 to 3.11 ³.

Original language	English (US)
Pages (from-to)	293-297
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	103
Issue number	2
DOIs	https://doi.org/10.1006/jssc.1993.1103
State	Published - Apr 1993

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1006/jssc.1993.1103

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title = "Synthesis and structure of the new layered ternary selenide na4cd3se5",

abstract = "The new ternary compound Na4Cd3Se5 has been prepared by the reaction of CdSe with Na2Se4 at 300/350°C. Na4Cd3Se5 crystallizes in space group D1624-Pnma of the orthorhombic system with four formula unitsin a cell of dimension a = 14.026(1) ³, b = 4.234(2) ³, c = 20.105(1) ³ at 110 K. The structure consists of zigzag layers of 7 z[Cd3Se4-5] separated by Na- cations.Alternatively, these layers can be considered as trimers of corner-sharing CdSe4 tetrahedra. The Cd atoms are each tetrahedrally coordinated to four Se atoms at distances ranging from 2.604(1) ³ to 2.718(1) ³. Each Na atom is surrounded in a square pyramidal manner by five Se atoms at distances of 2.82 to 3.11 ³.",

author = "Ansari, {Mohammad A.} and Ibers, {James A.}",

year = "1993",

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AU - Ansari, Mohammad A.

AU - Ibers, James A.

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N2 - The new ternary compound Na4Cd3Se5 has been prepared by the reaction of CdSe with Na2Se4 at 300/350°C. Na4Cd3Se5 crystallizes in space group D1624-Pnma of the orthorhombic system with four formula unitsin a cell of dimension a = 14.026(1) ³, b = 4.234(2) ³, c = 20.105(1) ³ at 110 K. The structure consists of zigzag layers of 7 z[Cd3Se4-5] separated by Na- cations.Alternatively, these layers can be considered as trimers of corner-sharing CdSe4 tetrahedra. The Cd atoms are each tetrahedrally coordinated to four Se atoms at distances ranging from 2.604(1) ³ to 2.718(1) ³. Each Na atom is surrounded in a square pyramidal manner by five Se atoms at distances of 2.82 to 3.11 ³.

AB - The new ternary compound Na4Cd3Se5 has been prepared by the reaction of CdSe with Na2Se4 at 300/350°C. Na4Cd3Se5 crystallizes in space group D1624-Pnma of the orthorhombic system with four formula unitsin a cell of dimension a = 14.026(1) ³, b = 4.234(2) ³, c = 20.105(1) ³ at 110 K. The structure consists of zigzag layers of 7 z[Cd3Se4-5] separated by Na- cations.Alternatively, these layers can be considered as trimers of corner-sharing CdSe4 tetrahedra. The Cd atoms are each tetrahedrally coordinated to four Se atoms at distances ranging from 2.604(1) ³ to 2.718(1) ³. Each Na atom is surrounded in a square pyramidal manner by five Se atoms at distances of 2.82 to 3.11 ³.

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Synthesis and structure of the new layered ternary selenide na₄cd₃se₅

Abstract

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