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Title: Some substitutional chemistry in known ternary and quaternary chalcogenides. [Ta/sub 2/Ni/sub 3/S/sub 8/, Ta/sub 2/Pt/sub 3/Se/sub 8/, and Co/sub 2/Nb/sub 4/PdSe/sub 12/]

Abstract

New ternary and quaternary transition-metal chalcogenides have resulted from substitutional chemistry of known phases. Ta/sub 2/Ni/sub 3/S/sub 8/ and Ta/sub 2/Pt/sub 3/Se/sub 8/ have been synthesized and characterized by single-crystal X-ray techniques. These compounds adopt the Nb/sub 2/Pd/sub 3/Se/sub 8/ structural type. Hence in Ta/sub 2/Ni/sub 3/S/sub 8/ Ni occupies both square-planar and square-pyramidal sites as similarly does Pt in Ta/sub 2/Pt/sub 3/Se/sub 8/. The electrical conductivity of Ta/sub 2/Ni/sub 3/S/sub 8/ establishes its semiconducting behavior. Ta has been substituted for Nb in the Nb/sub 2/Pd/sub 0.71/Se/sub 5/ type to yield Ta/sub 2/Pd/sub 0.89/S/sub 5/ 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 Co/sub 2/Nb/sub 4/PdSe/sub 12/ has been synthesized and characterized by single-crystal X-ray techniques. It is of the Co/sub 2/Ta/sub 4/PdSe/sub 12/ structural type and thus contains Nb in both trigonal prismatic and octahedral sites.

Authors:
; ;
Publication Date:
Research Org.:
Northwestern Univ., Evanston, IL
OSTI Identifier:
7203653
Resource Type:
Journal Article
Journal Name:
J. Solid State Chem.; (United States)
Additional Journal Information:
Journal Volume: 64:3
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; COBALT COMPLEXES; CRYSTAL STRUCTURE; CRYSTALLIZATION; NICKEL SULFIDES; NIOBIUM COMPLEXES; PALLADIUM COMPOUNDS; PLATINUM COMPOUNDS; SELENIDES; TANTALUM COMPLEXES; BOND ANGLE; BOND LENGTHS; EXPERIMENTAL DATA; LATTICE PARAMETERS; LOW TEMPERATURE; SPACE GROUPS; STOICHIOMETRY; X-RAY DIFFRACTION; CHALCOGENIDES; COHERENT SCATTERING; COMPLEXES; DATA; DIFFRACTION; DIMENSIONS; INFORMATION; LENGTH; NICKEL COMPOUNDS; NUMERICAL DATA; PHASE TRANSFORMATIONS; SCATTERING; SELENIUM COMPOUNDS; SULFIDES; SULFUR COMPOUNDS; TRANSITION ELEMENT COMPLEXES; TRANSITION ELEMENT COMPOUNDS; 400201* - Chemical & Physicochemical Properties

Citation Formats

Squattrito, P J, Sunshine, S A, and Ibers, J A. Some substitutional chemistry in known ternary and quaternary chalcogenides. [Ta/sub 2/Ni/sub 3/S/sub 8/, Ta/sub 2/Pt/sub 3/Se/sub 8/, and Co/sub 2/Nb/sub 4/PdSe/sub 12/]. United States: N. p., 1986. Web. doi:10.1016/0022-4596(86)90070-8.
Squattrito, P J, Sunshine, S A, & Ibers, J A. Some substitutional chemistry in known ternary and quaternary chalcogenides. [Ta/sub 2/Ni/sub 3/S/sub 8/, Ta/sub 2/Pt/sub 3/Se/sub 8/, and Co/sub 2/Nb/sub 4/PdSe/sub 12/]. United States. https://doi.org/10.1016/0022-4596(86)90070-8
Squattrito, P J, Sunshine, S A, and Ibers, J A. Wed . "Some substitutional chemistry in known ternary and quaternary chalcogenides. [Ta/sub 2/Ni/sub 3/S/sub 8/, Ta/sub 2/Pt/sub 3/Se/sub 8/, and Co/sub 2/Nb/sub 4/PdSe/sub 12/]". United States. https://doi.org/10.1016/0022-4596(86)90070-8.
@article{osti_7203653,
title = {Some substitutional chemistry in known ternary and quaternary chalcogenides. [Ta/sub 2/Ni/sub 3/S/sub 8/, Ta/sub 2/Pt/sub 3/Se/sub 8/, and Co/sub 2/Nb/sub 4/PdSe/sub 12/]},
author = {Squattrito, P J and Sunshine, S A and Ibers, J A},
abstractNote = {New ternary and quaternary transition-metal chalcogenides have resulted from substitutional chemistry of known phases. Ta/sub 2/Ni/sub 3/S/sub 8/ and Ta/sub 2/Pt/sub 3/Se/sub 8/ have been synthesized and characterized by single-crystal X-ray techniques. These compounds adopt the Nb/sub 2/Pd/sub 3/Se/sub 8/ structural type. Hence in Ta/sub 2/Ni/sub 3/S/sub 8/ Ni occupies both square-planar and square-pyramidal sites as similarly does Pt in Ta/sub 2/Pt/sub 3/Se/sub 8/. The electrical conductivity of Ta/sub 2/Ni/sub 3/S/sub 8/ establishes its semiconducting behavior. Ta has been substituted for Nb in the Nb/sub 2/Pd/sub 0.71/Se/sub 5/ type to yield Ta/sub 2/Pd/sub 0.89/S/sub 5/ 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 Co/sub 2/Nb/sub 4/PdSe/sub 12/ has been synthesized and characterized by single-crystal X-ray techniques. It is of the Co/sub 2/Ta/sub 4/PdSe/sub 12/ structural type and thus contains Nb in both trigonal prismatic and octahedral sites.},
doi = {10.1016/0022-4596(86)90070-8},
url = {https://www.osti.gov/biblio/7203653}, journal = {J. Solid State Chem.; (United States)},
number = ,
volume = 64:3,
place = {United States},
year = {1986},
month = {10}
}