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Phase transformation induced mechanochromism in a platinum salt: a tale of two polymorphs.
Norton, Amie E; Abdolmaleki, Mahmood Karimi; Liang, Jiamin; Sharma, Malvika; Golsby, Robert; Zoller, Ann; Krause, Jeanette A; Connick, William B; Chatterjee, Sayandev.
Affiliation
  • Norton AE; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Abdolmaleki MK; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Liang J; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Sharma M; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Golsby R; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Zoller A; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Krause JA; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Connick WB; Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. amie.norton@usda.gov.
  • Chatterjee S; Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA. sayandev@essencediagnostics.com.
Chem Commun (Camb) ; 56(70): 10175-10178, 2020 Sep 01.
Article in En | MEDLINE | ID: mdl-32748903
Red crystals of [Pt(tpy)Cl]NO3·HNO3 show mechanochromic behaviour turning yellow when pressure is applied. The electronic character and spectroscopic signature of the red and yellow polymorphs change as a result of slipping of the molecular stacking planes in the solid state. The slippage alters the PtPt intermolecular distances from a linear stacked motif with <3.5 Å separations in the red polymorph to a less stacked motif of alternating short intradimer and long interdimer interactions in the yellow polymorph.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2020 Type: Article Affiliation country: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chem Commun (Camb) Journal subject: QUIMICA Year: 2020 Type: Article Affiliation country: United States