MAGNUS GREEN SALT SOLID SOLUTIONS CONTAINING MIXED-VALENCE PLATINUM CHAINS

AN APPROACH TO 1-D METALS.

B. A. Scott, R. Mehran, B. D. Silverman, Mark A Ratner

Research output: Chapter in Book/Report/Conference proceedingChapter

8 Citations (Scopus)

Abstract

This paper is concerned with inorganic solids composed of the partially oxidized platinum chain salts which represent the most extended type of interaction realizable in the 1-D system: that leading to free carriers and metallic-like conductivity. Such systems are typified by the compound K//2Pt(CN)//4Br//0//. //3 multiplied by (times) 3H//2O(KCP). In terms of the known formal oxidation states of platinum ( plus 2, plus 4) the stoichiometry of KCP can be written K//2 left bracket Pt(II)//0//. //8//5Pt(IV)//0//. //1//5(CN)//4 right bracket Br//0//. //3 multiplied by (times) 3H//2O. However, all Pt-sites are equivalent and separated by the extremely short intermetallic distance of 2. 88 A along the left bracket 001 right bracket stacking axis. Thus, strong metal-metal interaction involving the 5d//z2 orbitals, which are the highest lying occupied states, along the c-axis permits the system to attain a fractional, or partially oxidized valence of plus 2. 3. The x-ray structure shows that the charge compensating Br** minus ions are located in the interstices between the left bracket Pt(CN)//4 right bracket stacks. The interstices also contain sites for the alkali ions and water molecules. The paper presents results comprehensive discussion of an experimental study on the subject.

Original languageEnglish
Title of host publicationUnknown Host Publication Title
PublisherAm Chem Soc (ACS Symp Ser 5)
Pages331-349
Number of pages19
Publication statusPublished - 1974
EventExtended Interact Between Met Ions in Transition Met Complexes, Symp, Proc, Am Chem Soc, 167th Meet - Los Angeles, CA, USA
Duration: Apr 3 1974Apr 5 1974

Other

OtherExtended Interact Between Met Ions in Transition Met Complexes, Symp, Proc, Am Chem Soc, 167th Meet
CityLos Angeles, CA, USA
Period4/3/744/5/74

Fingerprint

Platinum
Solid solutions
Salts
Ions
Metals
Stoichiometry
Intermetallics
X rays
Oxidation
Molecules
Water

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Scott, B. A., Mehran, R., Silverman, B. D., & Ratner, M. A. (1974). MAGNUS GREEN SALT SOLID SOLUTIONS CONTAINING MIXED-VALENCE PLATINUM CHAINS: AN APPROACH TO 1-D METALS. In Unknown Host Publication Title (pp. 331-349). Am Chem Soc (ACS Symp Ser 5).

MAGNUS GREEN SALT SOLID SOLUTIONS CONTAINING MIXED-VALENCE PLATINUM CHAINS : AN APPROACH TO 1-D METALS. / Scott, B. A.; Mehran, R.; Silverman, B. D.; Ratner, Mark A.

Unknown Host Publication Title. Am Chem Soc (ACS Symp Ser 5), 1974. p. 331-349.

Research output: Chapter in Book/Report/Conference proceedingChapter

Scott, BA, Mehran, R, Silverman, BD & Ratner, MA 1974, MAGNUS GREEN SALT SOLID SOLUTIONS CONTAINING MIXED-VALENCE PLATINUM CHAINS: AN APPROACH TO 1-D METALS. in Unknown Host Publication Title. Am Chem Soc (ACS Symp Ser 5), pp. 331-349, Extended Interact Between Met Ions in Transition Met Complexes, Symp, Proc, Am Chem Soc, 167th Meet, Los Angeles, CA, USA, 4/3/74.
Scott BA, Mehran R, Silverman BD, Ratner MA. MAGNUS GREEN SALT SOLID SOLUTIONS CONTAINING MIXED-VALENCE PLATINUM CHAINS: AN APPROACH TO 1-D METALS. In Unknown Host Publication Title. Am Chem Soc (ACS Symp Ser 5). 1974. p. 331-349
Scott, B. A. ; Mehran, R. ; Silverman, B. D. ; Ratner, Mark A. / MAGNUS GREEN SALT SOLID SOLUTIONS CONTAINING MIXED-VALENCE PLATINUM CHAINS : AN APPROACH TO 1-D METALS. Unknown Host Publication Title. Am Chem Soc (ACS Symp Ser 5), 1974. pp. 331-349
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abstract = "This paper is concerned with inorganic solids composed of the partially oxidized platinum chain salts which represent the most extended type of interaction realizable in the 1-D system: that leading to free carriers and metallic-like conductivity. Such systems are typified by the compound K//2Pt(CN)//4Br//0//. //3 multiplied by (times) 3H//2O(KCP). In terms of the known formal oxidation states of platinum ( plus 2, plus 4) the stoichiometry of KCP can be written K//2 left bracket Pt(II)//0//. //8//5Pt(IV)//0//. //1//5(CN)//4 right bracket Br//0//. //3 multiplied by (times) 3H//2O. However, all Pt-sites are equivalent and separated by the extremely short intermetallic distance of 2. 88 A along the left bracket 001 right bracket stacking axis. Thus, strong metal-metal interaction involving the 5d//z2 orbitals, which are the highest lying occupied states, along the c-axis permits the system to attain a fractional, or partially oxidized valence of plus 2. 3. The x-ray structure shows that the charge compensating Br** minus ions are located in the interstices between the left bracket Pt(CN)//4 right bracket stacks. The interstices also contain sites for the alkali ions and water molecules. The paper presents results comprehensive discussion of an experimental study on the subject.",
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