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Updated: Jun 1, 2026

A Technical Guide for Performing Spectroscopic Measurements on Metal-Organic Frameworks
Published on: April 28, 2023
Tl(2)Mo(9)Se(11)
Patrick Gougeon1, Philippe Gall, Michel Potel
1Sciences Chimiques de Rennes, CSM-INSA, UMR CNRS No. 6226, Université de Rennes I, Avenue du Général Leclerc, 35042 Rennes CEDEX, France.
The crystal structure of dithallium nona-molybdenum undeca-selenide (Tl(2)Mo(9)Se(11)) features a unique arrangement of molybdenum-selenium clusters. This structure is isotypic with a previously studied sulfur analog, Tl(2)Mo(9)S(11).
Area of Science:
- Inorganic Chemistry
- Solid-State Chemistry
- Crystallography
Background:
- The study of ternary molybdenum chalcogenides provides insight into complex solid-state structures.
- Previous research established the structure of the sulfur analog, Tl(2)Mo(9)S(11).
Purpose of the Study:
- To elucidate the crystal structure of dithallium nona-molybdenum undeca-selenide (Tl(2)Mo(9)Se(11)).
- To compare its structural features with the known Tl(2)Mo(9)S(11) compound.
Main Methods:
- Single-crystal X-ray diffraction analysis was employed to determine the atomic arrangement.
- Crystallographic data were collected and refined to establish the structural model.
Main Results:
- The structure of Tl(2)Mo(9)Se(11) was determined to be isotypic with Tl(2)Mo(9)S(11).
- The structure comprises a 1:1 mixture of Mo(6)Se(8)Se(6) and Mo(12)Se(14)Se(6) cluster units interconnected by Mo-Se bonds.
- Thallium(I) atoms occupy voids within the three-dimensional framework.
Conclusions:
- The crystal structure of Tl(2)Mo(9)Se(11) is confirmed and characterized.
- The findings highlight the structural similarities between the selenium and sulfur analogs in this class of compounds.
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