Investigation of nitro-nitrito photoisomerization: Crystal structure of trans-chloridonitro(1,4,8,11-tetraazacyclotetradecane-κ4 N,N′,N′′,N′′′)cobalt(III) chloride

Shigeru Ohba, Masanobu Tsuchimoto, Naoki Yamada

Research output: Contribution to journalArticle

Abstract

The reaction cavity of the nitro group in the crystal of the title compound, [CoCl(NO2)(C10H24N4)]Cl, (I), was investigated to confirm that it offers sufficient free space for linkage isomerization to occur in accordance with the observed photochemical reactivity. The complex cation has crystallographic 2/m symmetry and the nitro and chloro ligands at the trans positions are statistically disordered. The complete cyclam ligand is generated by symmetry from a quarter of the molecule. In the crystal of (I), the complex cations and Cl- ions are linked into a three-dimensional network by N - H⋯Cl(counter-ion) hydrogen bonds.

Original languageEnglish
Pages (from-to)1908-1912
Number of pages5
JournalActa Crystallographica Section E: Crystallographic Communications
Volume74
DOIs
Publication statusPublished - 2018 Jan 1

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Photoisomerization
Cobalt
Cations
Chlorides
cobalt
Crystal structure
Positive ions
chlorides
Ligands
cations
Crystals
ligands
crystal structure
Radiation counters
symmetry
Isomerization
linkages
isomerization
crystals
Hydrogen bonds

Keywords

  • crystal structure
  • nitro-nitrito photo-isomerization
  • reaction cavity

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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title = "Investigation of nitro-nitrito photoisomerization: Crystal structure of trans-chloridonitro(1,4,8,11-tetraazacyclotetradecane-κ4 N,N′,N′′,N′′′)cobalt(III) chloride",
abstract = "The reaction cavity of the nitro group in the crystal of the title compound, [CoCl(NO2)(C10H24N4)]Cl, (I), was investigated to confirm that it offers sufficient free space for linkage isomerization to occur in accordance with the observed photochemical reactivity. The complex cation has crystallographic 2/m symmetry and the nitro and chloro ligands at the trans positions are statistically disordered. The complete cyclam ligand is generated by symmetry from a quarter of the molecule. In the crystal of (I), the complex cations and Cl- ions are linked into a three-dimensional network by N - H⋯Cl(counter-ion) hydrogen bonds.",
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author = "Shigeru Ohba and Masanobu Tsuchimoto and Naoki Yamada",
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language = "English",
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T1 - Investigation of nitro-nitrito photoisomerization

T2 - Crystal structure of trans-chloridonitro(1,4,8,11-tetraazacyclotetradecane-κ4 N,N′,N′′,N′′′)cobalt(III) chloride

AU - Ohba, Shigeru

AU - Tsuchimoto, Masanobu

AU - Yamada, Naoki

PY - 2018/1/1

Y1 - 2018/1/1

N2 - The reaction cavity of the nitro group in the crystal of the title compound, [CoCl(NO2)(C10H24N4)]Cl, (I), was investigated to confirm that it offers sufficient free space for linkage isomerization to occur in accordance with the observed photochemical reactivity. The complex cation has crystallographic 2/m symmetry and the nitro and chloro ligands at the trans positions are statistically disordered. The complete cyclam ligand is generated by symmetry from a quarter of the molecule. In the crystal of (I), the complex cations and Cl- ions are linked into a three-dimensional network by N - H⋯Cl(counter-ion) hydrogen bonds.

AB - The reaction cavity of the nitro group in the crystal of the title compound, [CoCl(NO2)(C10H24N4)]Cl, (I), was investigated to confirm that it offers sufficient free space for linkage isomerization to occur in accordance with the observed photochemical reactivity. The complex cation has crystallographic 2/m symmetry and the nitro and chloro ligands at the trans positions are statistically disordered. The complete cyclam ligand is generated by symmetry from a quarter of the molecule. In the crystal of (I), the complex cations and Cl- ions are linked into a three-dimensional network by N - H⋯Cl(counter-ion) hydrogen bonds.

KW - crystal structure

KW - nitro-nitrito photo-isomerization

KW - reaction cavity

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