Cyclic polythioether complexes: preparation and crystal structure of tricarbonyl(1,4,7-trithiacyclononane)molybdenum(0)

Conference · Wed Feb 13 04:00:00 EST 1985 · Inorg. Chem.; (United States)

OSTI ID:5622407

Ashby, M T; Lichtenberger, D L

In contrast to the conformation adopted by most of the free mesocyclic polythioethers, the sulfur atoms in 1,4,7-trithiacyclononane (TTCN) are endodentate. The geometric conformation of these sulfur atoms and the mechanical flexibility of the molecule indicate that it should serve as a versatile tridentate ligand. Reports of M(TTCN)/sub 2/ (M = Co(II), Ni(II), Cu(II)) have appeared; however, these compounds do not allow one to completely investigate the distortion of the ring upon complexation. Interest in transition-metal complexes of 1,4,7-triazacyclononane, TTCN's nitrogen analogue, and the recent success in preparing a macrocyclic triphosphine using molybdenum tricarbonyl as a metal template have prompted the exploration of coordination chemistry of TTCN. In an attempt to do so, the title compound, (TTCN)Mo(CO)/sub 3/), has been prepared and structurally characterized. This is the first zerovalent metal complex of a cyclic polythioether for which the crystal structure has been determined. The facial configuration of the carbonyls provides a unique point of reference when describing the distortion of the ligand upon coordination. 25 references, 2 figures, 6 tables.

• Research Organization: Univ. of Arizona, Tucson
• DOE Contract Number: AC02-80ER10746
• OSTI ID: 5622407
• Report Number(s): CONF-820304-
• Conference Information: Journal Name: Inorg. Chem.; (United States) Journal Volume: 24:4
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ALKANES
CARBONYLS
CHEMICAL PREPARATION
COMPLEXES
CRYSTAL STRUCTURE
CYCLOALKANES
DATA
ETHERS
EXPERIMENTAL DATA
HYDROCARBONS
INFORMATION
LIGANDS
MOLYBDENUM COMPLEXES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
SULFUR COMPOUNDS
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
VALENCE