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Crystal structure of hexacyano cobaltate(III) of caesium and tetramethylammonium: Cs[(Me)4N]2Co(CN)6

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Summary

The structure of a novel hexacyano cobaltate(III) of Cs and tetramethylammonium (TMA), Cs(TMA)2Co(CN)6, has been determined by single crystal x-ray diffraction using Patterson and Fourier techniques, and refined by least squares to R=0.053 for 126 independent reflections. The compound is cubic with ao=12.592(2) Å, space group Fm3m, Z=4.

There is a cubic network of Co−CN−Cs atoms with Co−C and C−N distances of 1.87(2) and 1.18(2) Å respectively. The bulky (TMA) cations occupy the cubic voids in this network. The C−N distance of (TMA) is 1.38(2) Å. The Me groups are oriented towards the Cs atoms and there is hindered rotation of the CH3 groups. The Hatoms occupy positions at maximum distance from the C−N triple bonds, pointing to the faces of the octants of the unit cell.

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Authors and Affiliations

  1. Centro Nacional de Investigaciones Científicas, Apartado Postal 6990, Ctudad de la Habana

    Angel Dago Morales, René Guardiola Romero, Julio Duque Rodríguez, Ramόn Pomés Hernández & José Fernández Bertrán

  2. Academia de Ciencias de Cuba, Zona Postal 2, Ciudad de la Habana

    Angel Dago Morales, René Guardiola Romero, Julio Duque Rodríguez, Ramόn Pomés Hernández & José Fernández Bertrán

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  1. Angel Dago Morales
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  2. René Guardiola Romero
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  3. Julio Duque Rodríguez
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  4. Ramόn Pomés Hernández
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  5. José Fernández Bertrán
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Morales, A.D., Romero, R.G., Rodríguez, J.D. et al. Crystal structure of hexacyano cobaltate(III) of caesium and tetramethylammonium: Cs[(Me)4N]2Co(CN)6 . Transition Met Chem 15, 106–107 (1990). https://doi.org/10.1007/BF01023896

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  • DOI: https://doi.org/10.1007/BF01023896

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