Synthesis and characterization of an organic-inorganic hybrid crystal: 2[Co(en) 3 ](V 4 O 13 )·4H 2 O

Organic-inorganic hybrid crystals have diverse functionalities, for example in energy storage and luminescence, due to their versatile structures. The synthesis and structural characterization of a new cobalt-vanadium-containing compound, 2[Co(en) ] (V O ) ·4H O (1) is presented. The crystal structu...

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Published in:Acta crystallographica Section B, Structural science, crystal engineering and materials Structural science, crystal engineering and materials, 2024-10, Vol.80 (5), p.488-494
Main Authors: Vosegaard, Emilie Skytte, Mamakhel, Mohammad Aref Hasen, Parmar, Vijay Singh, Bertelsen, Andreas Dueholm, Iversen, Bo Brummerstedt
Format: Article
Language:English
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Summary:Organic-inorganic hybrid crystals have diverse functionalities, for example in energy storage and luminescence, due to their versatile structures. The synthesis and structural characterization of a new cobalt-vanadium-containing compound, 2[Co(en) ] (V O ) ·4H O (1) is presented. The crystal structure of 1, consisting of [Co(en) ] complexes and chains of corner-sharing (VO ) tetrahedra, was solved by single-crystal X-ray diffraction in the centrosymmetric space group P1. Phase purity of the bulk material was confirmed by infrared spectroscopy, scanning electron microscopy, elemental analysis and powder X-ray diffraction. The volume expansion of 1 was found to be close to 1% in the reported temperature range from 100 to 300 K, with a volume thermal expansion coefficient of 56 (2) × 10  K . The electronic band gap of 1 is 2.30 (1) eV, and magnetic susceptibility measurements showed that the compound exhibits a weak paramagnetic response down to 1.8 K, probably due to minor Co impurities (
ISSN:2052-5206
2052-5206
DOI:10.1107/S2052520624007509