Dipotassium di-μ-hydroxo-bis[(nitrilotriacetato-κ4N,O, O′,O″)chromium(III)] hexahydrate

Jong Ha Choi, Takayoshi Suzuki, Sumio Kaizaki

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The crystal structure of the title compound, K2[Cr 2(C6H6NO6)2(OH) 2]·6H2O or K2[Cr2(μ-OH) 2(nta)2]-6H2O (nta = nitrilotriacetate), is composed of a dinuclear hydroxo-bridged chromium(III) complex anion, potassium cation and water molecules. Each CrIII ion is in a distorted octahedral environment and coordinated by one nitrogen and three carboxylate O atoms of the nta3- ligand plus two bridging hydroxo O atoms. The dinuclear complex anion possesses 2/m crystallographic symmetry. The Cr-O(μ-OH) bond lengths are 1.937 (4) and 1.951 (4) Å. The Cr-N and Cr-O bond distances of the nta3- ligand are 2.054 (4) and 1.968(3)-1.983 (3) Å, while the HO-Cr-OH and Cr-OH-Cr angles are 80.46 (16) and 99.54 (16)°, respectively.

Original languageEnglish
JournalActa Crystallographica Section E: Structure Reports Online
Volume59
Issue number9
DOIs
Publication statusPublished - Sep 2003
Externally publishedYes

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Chromium
Anions
chromium
Negative ions
Ligands
anions
Atoms
ligands
Bond length
carboxylates
atoms
Potassium
Cations
potassium
Nitrogen
Crystal structure
Positive ions
Ions
nitrogen
cations

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Structural Biology

Cite this

Dipotassium di-μ-hydroxo-bis[(nitrilotriacetato-κ4N,O, O′,O″)chromium(III)] hexahydrate. / Choi, Jong Ha; Suzuki, Takayoshi; Kaizaki, Sumio.

In: Acta Crystallographica Section E: Structure Reports Online, Vol. 59, No. 9, 09.2003.

Research output: Contribution to journalArticle

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abstract = "The crystal structure of the title compound, K2[Cr 2(C6H6NO6)2(OH) 2]·6H2O or K2[Cr2(μ-OH) 2(nta)2]-6H2O (nta = nitrilotriacetate), is composed of a dinuclear hydroxo-bridged chromium(III) complex anion, potassium cation and water molecules. Each CrIII ion is in a distorted octahedral environment and coordinated by one nitrogen and three carboxylate O atoms of the nta3- ligand plus two bridging hydroxo O atoms. The dinuclear complex anion possesses 2/m crystallographic symmetry. The Cr-O(μ-OH) bond lengths are 1.937 (4) and 1.951 (4) {\AA}. The Cr-N and Cr-O bond distances of the nta3- ligand are 2.054 (4) and 1.968(3)-1.983 (3) {\AA}, while the HO-Cr-OH and Cr-OH-Cr angles are 80.46 (16) and 99.54 (16)°, respectively.",
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N2 - The crystal structure of the title compound, K2[Cr 2(C6H6NO6)2(OH) 2]·6H2O or K2[Cr2(μ-OH) 2(nta)2]-6H2O (nta = nitrilotriacetate), is composed of a dinuclear hydroxo-bridged chromium(III) complex anion, potassium cation and water molecules. Each CrIII ion is in a distorted octahedral environment and coordinated by one nitrogen and three carboxylate O atoms of the nta3- ligand plus two bridging hydroxo O atoms. The dinuclear complex anion possesses 2/m crystallographic symmetry. The Cr-O(μ-OH) bond lengths are 1.937 (4) and 1.951 (4) Å. The Cr-N and Cr-O bond distances of the nta3- ligand are 2.054 (4) and 1.968(3)-1.983 (3) Å, while the HO-Cr-OH and Cr-OH-Cr angles are 80.46 (16) and 99.54 (16)°, respectively.

AB - The crystal structure of the title compound, K2[Cr 2(C6H6NO6)2(OH) 2]·6H2O or K2[Cr2(μ-OH) 2(nta)2]-6H2O (nta = nitrilotriacetate), is composed of a dinuclear hydroxo-bridged chromium(III) complex anion, potassium cation and water molecules. Each CrIII ion is in a distorted octahedral environment and coordinated by one nitrogen and three carboxylate O atoms of the nta3- ligand plus two bridging hydroxo O atoms. The dinuclear complex anion possesses 2/m crystallographic symmetry. The Cr-O(μ-OH) bond lengths are 1.937 (4) and 1.951 (4) Å. The Cr-N and Cr-O bond distances of the nta3- ligand are 2.054 (4) and 1.968(3)-1.983 (3) Å, while the HO-Cr-OH and Cr-OH-Cr angles are 80.46 (16) and 99.54 (16)°, respectively.

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