Thorium divanadate dihydrate, Th(V(2)O(7))(H(2)O)(2)

Area of Science:

• Inorganic Chemistry
• Crystallography
• Materials Science

Background:

• Thorium vanadates are an important class of inorganic compounds with diverse structural motifs.
• Understanding the synthesis and structural properties of novel thorium compounds is crucial for materials science applications.

Purpose of the Study:

• To synthesize and characterize a new thorium vanadate hydrate compound.
• To elucidate the crystal structure and bonding characteristics of the synthesized material.

Main Methods:

• Hydrothermal synthesis.
• Single-crystal X-ray diffraction.
• Bond-valence-sum calculations.

Main Results:

• The compound Th(V(2)O(7))(H(2)O)(2) was successfully synthesized.
• The crystal structure reveals ThO(7)(OH(2))(2) tricapped trigonal prisms forming chains, linked by divanadate anions.
• An open framework structure with water molecules in channels and O-H⋯O hydrogen bonding was observed.

Conclusions:

• The hydrothermal method is effective for synthesizing this thorium vanadate hydrate.
• The detailed crystal structure analysis provides insights into the coordination environment of thorium and the arrangement of vanadate units.
• Bond-valence-sum calculations validate the proposed chemical formula and structural model.