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Updated: May 3, 2026
08:15
Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
Published on: February 11, 2012
13.5K
A triclinic polymorph of dicadmium divanadate(V)
Ahmed Ould Saleck1, Abderrazzak Assani1, Mohamed Saadi1
1Laboratoire de Chimie du Solide Appliquée, Faculté des Sciences, Université Mohammed V-Agdal, Avenue Ibn Battouta, BP 1014, Rabat, Morocco.
Acta Crystallographica. Section E, Structure Reports Online
|January 24, 2014
Summary
A new triclinic polymorph of cadmium pyrovanadate (Cd2V2O7) was synthesized. This novel crystal structure, distinct from the monoclinic form, features unique coordination environments and forms a 3D framework.
Area of Science:
- Inorganic Chemistry
- Crystallography
- Materials Science
Background:
- Cadmium pyrovanadate (Cd2V2O7) exists in different structural forms.
- Understanding polymorphs is crucial for materials properties.
Purpose of the Study:
- To synthesize and characterize a new polymorph of Cd2V2O7.
- To elucidate the crystal structure and bonding of the novel compound.
Main Methods:
- Hydrothermal synthesis conditions were employed.
- X-ray diffraction was used to determine the crystal structure.
Main Results:
- A new triclinic polymorph of Cd2V2O7 was successfully obtained.
- The structure is isotypic with Ca2V2O7, featuring unique coordination numbers for Cd(2+) cations.
- An isolated V4O14(8-) anion is formed by interconnected VO5 pyramids and VO4 tetrahedra.
- These anions form sheets linked by Cd(2+) cations into a 3D framework.
Conclusions:
- The discovery of a new Cd2V2O7 polymorph expands the understanding of vanadate structures.
- The intricate framework structure suggests potential applications in materials science.
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