Crystal and molecular structure of a manganese complex of trans-1,2-diaminocyclohexane-N,N,N′,N′-tetraacetic acid (CDTA): Mn4(CDTA)2(H2O)9(CH3COCH3)0.5 · Evidence for a Mn7(CDTA)4(H2O)8 unit
Abstract
The crystal structure of Mn4(CDTA)2(H2O)9(CH3COCH3)0.5 has been determined by X-ray diffraction methods. It crystallizes in the trigonal system, space group P3221, with lattice parameters: a = 18.978(9) Å, c = 22.916(10) Å and Z = 6 formula units. The structure consists of a threedimensional network, built up with Mn7(CDTA)4(H2O)8 units. These units are connected through bismonodentate acetate bridges. In a Mn7 unit, the metal atoms are connected through Mn – O – Mn bridges resulting in metal – metal distances between 3.67 Å and 3.82 Å. The CDTA conformation is E, G/R and the cyclohexane ring is in a chair conformation. There are five crystallographically independent manganese atoms; three of them have a rather regular octahedral surrounding and two others are heptacoordinated by the CDTA ligands in a monocapped octahedron and a monocapped trigonal prism, respectively.
Articles in the same Issue
- The solid phases of deuterium sulphide by powder neutron diffraction
- Crystal and molecular structure of a manganese complex of trans-1,2-diaminocyclohexane-N,N,N′,N′-tetraacetic acid (CDTA): Mn4(CDTA)2(H2O)9(CH3COCH3)0.5 · Evidence for a Mn7(CDTA)4(H2O)8 unit
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- A neutron powder diffraction study of the β to γ phase transformation in NaFeO2
- Neutron diffraction study of Sr(BrO3)2 · H2O: Statistical tests of intensity variances, refinement including weak and negative intensities
- Crystal structure of N-(1-ethylcarbamoyl-tetrazol-5-yl)-O-(4-tolyl)-isourea
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- Polarity determination in (001)-oriented AIII – Bv compound semiconductors by the Kossel technique and chemical etching
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Articles in the same Issue
- The solid phases of deuterium sulphide by powder neutron diffraction
- Crystal and molecular structure of a manganese complex of trans-1,2-diaminocyclohexane-N,N,N′,N′-tetraacetic acid (CDTA): Mn4(CDTA)2(H2O)9(CH3COCH3)0.5 · Evidence for a Mn7(CDTA)4(H2O)8 unit
- X-ray and electron microscopic determination of Debye characteristic temperature, stacking fault energy and other microstructural parameters in zinc telluride films
- A simple formula for the morphological axial ratio and for indexing
- A neutron powder diffraction study of the β to γ phase transformation in NaFeO2
- Neutron diffraction study of Sr(BrO3)2 · H2O: Statistical tests of intensity variances, refinement including weak and negative intensities
- Crystal structure of N-(1-ethylcarbamoyl-tetrazol-5-yl)-O-(4-tolyl)-isourea
- Analysis of the distribution of impurities in crystals by anomalous X-ray scattering
- Crystal structure and spectra of Trichloro-p-chlorobenzoyl-2-furaldehydohydrazono bismuth(III)
- Polarity determination in (001)-oriented AIII – Bv compound semiconductors by the Kossel technique and chemical etching
- Crystal and molecular structure of 3-nitro-4-hydroxy-phenylalanine nitrate
- The crystal structure of lintisite, Na3LiTi2[Si2O6]2O2 · 2H2O, a new titanosilicate from Lovozero (USSR)
- Synthesis and X-ray structure of trimethyl[2,4,6-tri(1,1-dimethylethyl)benzene] 1,3,5-tricarboxylate
- Crystal growth and structure determination of potassium zirconium phosphate K2Zr(PO4)2
