Some substitutional chemistry in known ternary and quaternary chalcogenides

Philip J. Squattrito; Steven A. Sunshine; James A. Ibers

doi:10.1016/0022-4596(86)90070-8

Some substitutional chemistry in known ternary and quaternary chalcogenides

Philip J. Squattrito, Steven A. Sunshine, James A. Ibers

https://www.cmich.edu/academics/colleges/college-science-engineering/departments-schools/chemistry-and-biochemistry

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Abstract

New ternary and quaternary transition-metal chalcogenides have resulted from substitutional chemistry of known phases. Ta₂Ni₃S₈ and Ta₂Pt₃Se₈ have been synthesized and characterized by single-crystal X-ray techniques. These compounds adopt the Nb₂Pd₃Se₈ structural type. Hence in Ta₂Ni₃S₈ Ni occupies both square-planar and square-pyramidal sites as similarly does Pt in Ta₂Pt₃Se₈. The electrical conductivity of Ta₂Ni₃S₈ establishes its semiconducting behavior. Ta has been substituted for Nb in the Nb₂Pd_0.71Se₅ type to yield Ta₂Pd_0.89S₅ which has been characterized by single crystal X-ray techniques. The square-planar Pd sites in the van der Waals' gap of this layer structure are 78.6(4)% occupied. This compound shows metallic behavior. The compound Co₂Nb₄PdSe₁₂ has been synthesized and characterized by single-crystal X-ray techniques. It is of the Co₂Ta₄PdSe₁₂ structural type and thus contains Nb in both trigonal prismatic and octahedral sites.

Original language	English
Pages (from-to)	261-269
Number of pages	9
Journal	Journal of Solid State Chemistry
Volume	64
Issue number	3
DOIs	https://doi.org/10.1016/0022-4596(86)90070-8
State	Published - Oct 1986

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title = "Some substitutional chemistry in known ternary and quaternary chalcogenides",

abstract = "New ternary and quaternary transition-metal chalcogenides have resulted from substitutional chemistry of known phases. Ta2Ni3S8 and Ta2Pt3Se8 have been synthesized and characterized by single-crystal X-ray techniques. These compounds adopt the Nb2Pd3Se8 structural type. Hence in Ta2Ni3S8 Ni occupies both square-planar and square-pyramidal sites as similarly does Pt in Ta2Pt3Se8. The electrical conductivity of Ta2Ni3S8 establishes its semiconducting behavior. Ta has been substituted for Nb in the Nb2Pd0.71Se5 type to yield Ta2Pd0.89S5 which has been characterized by single crystal X-ray techniques. The square-planar Pd sites in the van der Waals' gap of this layer structure are 78.6(4)% occupied. This compound shows metallic behavior. The compound Co2Nb4PdSe12 has been synthesized and characterized by single-crystal X-ray techniques. It is of the Co2Ta4PdSe12 structural type and thus contains Nb in both trigonal prismatic and octahedral sites.",

author = "Squattrito, {Philip J.} and Sunshine, {Steven A.} and Ibers, {James A.}",

note = "Funding Information: This work was supportedb y the U.S. National Science Foundation-Solid{\textquoteright} State Chemistry-Grant DMR-83-15554.S ome of the measurementsw ere car-tied out in the SEM and X-ray Facilities of Northwest-em University{\textquoteright}s Material Research Center, supported in part under the NSF-MRL program (Grant DMR82-",

year = "1986",

month = oct,

doi = "10.1016/0022-4596(86)90070-8",

language = "English",

volume = "64",

pages = "261--269",

journal = "Journal of Solid State Chemistry",

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T1 - Some substitutional chemistry in known ternary and quaternary chalcogenides

AU - Squattrito, Philip J.

AU - Sunshine, Steven A.

AU - Ibers, James A.

N1 - Funding Information: This work was supportedb y the U.S. National Science Foundation-Solid’ State Chemistry-Grant DMR-83-15554.S ome of the measurementsw ere car-tied out in the SEM and X-ray Facilities of Northwest-em University’s Material Research Center, supported in part under the NSF-MRL program (Grant DMR82-

PY - 1986/10

Y1 - 1986/10

N2 - New ternary and quaternary transition-metal chalcogenides have resulted from substitutional chemistry of known phases. Ta2Ni3S8 and Ta2Pt3Se8 have been synthesized and characterized by single-crystal X-ray techniques. These compounds adopt the Nb2Pd3Se8 structural type. Hence in Ta2Ni3S8 Ni occupies both square-planar and square-pyramidal sites as similarly does Pt in Ta2Pt3Se8. The electrical conductivity of Ta2Ni3S8 establishes its semiconducting behavior. Ta has been substituted for Nb in the Nb2Pd0.71Se5 type to yield Ta2Pd0.89S5 which has been characterized by single crystal X-ray techniques. The square-planar Pd sites in the van der Waals' gap of this layer structure are 78.6(4)% occupied. This compound shows metallic behavior. The compound Co2Nb4PdSe12 has been synthesized and characterized by single-crystal X-ray techniques. It is of the Co2Ta4PdSe12 structural type and thus contains Nb in both trigonal prismatic and octahedral sites.

AB - New ternary and quaternary transition-metal chalcogenides have resulted from substitutional chemistry of known phases. Ta2Ni3S8 and Ta2Pt3Se8 have been synthesized and characterized by single-crystal X-ray techniques. These compounds adopt the Nb2Pd3Se8 structural type. Hence in Ta2Ni3S8 Ni occupies both square-planar and square-pyramidal sites as similarly does Pt in Ta2Pt3Se8. The electrical conductivity of Ta2Ni3S8 establishes its semiconducting behavior. Ta has been substituted for Nb in the Nb2Pd0.71Se5 type to yield Ta2Pd0.89S5 which has been characterized by single crystal X-ray techniques. The square-planar Pd sites in the van der Waals' gap of this layer structure are 78.6(4)% occupied. This compound shows metallic behavior. The compound Co2Nb4PdSe12 has been synthesized and characterized by single-crystal X-ray techniques. It is of the Co2Ta4PdSe12 structural type and thus contains Nb in both trigonal prismatic and octahedral sites.

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Some substitutional chemistry in known ternary and quaternary chalcogenides

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