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Reactions of the technetium(I) carbonyl complexes (Tc(PMe/sub 2/Ph)/sub 3/(CO)/sub 2/Cl) and (Tc(PPh/sub 3/)/sub 2/(CO)/sub 3/Cl) toward pseudoallyl ligands such as triazenido, formamidinato, and acetamidinato. Crystal structures of (Tc(PMe/sub 2/Ph)/sub 2/(CO)/sub 2/(p-CH/sub 3/C/sub 6/H/sub 4/N-N-NC/sub 6/H/sub 4/CH/sub 3/-p)) and (Tc(PMe/sub 2/Ph)/sub 2/(CO)/sub 2/(C/sub 6/H/sub 5/N-C(CH/sub 3/)-NC/sub 6/H/sub 5/))

Journal Article · · Inorg. Chem.; (United States)
DOI:https://doi.org/10.1021/ic00220a063· OSTI ID:5889244
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New technetium(I) complexes of bidentate pseudoallyl ligands as triazenido, formamidinato, and acetamidinato have been synthesized and characterized. X-ray structure determinations of (Tc(PMe/sub 2/Ph)/sub 2/(CO)/sub 2/(p-CH/sub 3/C/sub 6/H/sub 4/N-N-NC/sub 6/H/sub 4/CH/sub 3/-p)) (1a) and (Tc(PMe/sub 2/Ph)/sub 2/(CO)/sub 2/(C/sub 6/H/sub 5/N-C(CH/sub 3/)-NC/sub 6/H/sub 5/)) (1c) show the technetium atom in a distorted octahedral coordination geometry with two axial PMe/sub 2/Ph and two cis-CO groups and the chelate ligands, which form a four-membered ring with the metal. Compound 1a crystallizes in space group Pbca of the orthorhombic system with a = 11.036 (2) A, b = 14.657 (4) A, c = 38.92 (1) A, and R = 0.045 for 3381 diffractometer data with I greater than or equal to 3sigma(I). Compound 1c crystallizes in the same space group, Pbca, with a = 8.954 (3) A, b = 16.727 (2) A, c = 41.435 (5) A, and R = 0.035 for 4108 diffractometer data with I greater than or equal to 3sigma(I). 31 references, 2 figures, 6 tables.

Research Organization:
Universita di Ferrara, Italy
OSTI ID:
5889244
Journal Information:
Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 24:26; ISSN INOCA
Country of Publication:
United States
Language:
English

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Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400702* -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
550601 -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
CARBONYLS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COHERENT SCATTERING
COMPLEXES
CRYSTAL STRUCTURE
DATA
DIFFRACTION
EXPERIMENTAL DATA
INFORMATION
LATTICE PARAMETERS
LIGANDS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
SCATTERING
SPACE GROUPS
SYNTHESIS
TECHNETIUM COMPLEXES
TRANSITION ELEMENT COMPLEXES
X-RAY DIFFRACTION