106343-89-9

Basic information

• Product Name: dimethylthallium(1+)
• Synonyms: thallium(1+), dimethyl-
• CAS NO: 106343-89-9
• Molecular Formula: C₂H₆Tl
• Molecular Weight: 234.45
• Mol File: 106343-89-9.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: dimethylthallium(1+)(CAS DataBase Reference)
• NIST Chemistry Reference: dimethylthallium(1+)(106343-89-9)
• EPA Substance Registry System: dimethylthallium(1+)(106343-89-9)

Safety Data

• Hazardous Substances Data: 106343-89-9(Hazardous Substances Data)

Upstream product

• 57025-29-3 dimethylthallium(III) cation 
• 33354-77-7 4,4’,4”-triethyl-2,2’:6’,2”-terpyridine 

Relevant articles and documents

Synthesis, Spectroscopic, and Structural Studies of Dimethylthallium(III) Complexes containing Heterocyclic Nitrogen-donor Ligands, including 'TlC2N3O2' and 'TlC2O6' Geometries

The complexes dimethylthallium(III), (2,2'-bi-imidazolato)bis, and their benzimidazolato-analogues are monomeric in chloroform.Dimethylthallium(III) nitrate forms complexes of stoicheiometry NO3 , or bis(N-methylimidazol-2-yl)methanol >,NO3.H2O (terpy = 2,2':6',2''-terpyridyl), and 3 (Et3terpy = 4,4',4''-triethyl-2,2':6',2''-terpyridyl).Proton n.m.r. spectra of the nitrate complexes in methanol indicate co-ordination of the nitrogen-donor ligands to the dimethylthallium(III) cation.The structures of the (py)2CH2, terpy, and Et3terpy complexes have been determined by single-crystal X-ray diffraction at 295 K and refined by least-squares methods to R 0.048, 0.061, and 0.071 for 2 739, 3 000, and 1 547 independent 'observed' reflections, respectively.The complexes have linear or slightly bent C-Tl-C groups, with weak Tl...N and/or Tl...O interactions in approximate equatorial planes.The (py)2CH2 complex has a dimeric, centrosymmetric structure with nitrate groups weakly linking two 'TlMe2' group to form (NO3)>2> with 'TlC2N2O3' co-ordination having Tl...N 2.658(9) and 2.666(9), Tl...O 2.770(9)-2.915(10) Angstroem, and C-Tl-C 171.7(5) deg, opposite (py)2CH2.The terpy complex has a tridentate ligand with a water molecule and nitrate ion 2.932(12) and 3.250(19) Angstroem from thallium, and is thus formulated as NO3, with a 'TlC2N3O2' environment having C-Tl-C 169.6(6) deg opposite terpy.The Et3terpy complex has two 'TlMe2(Et3terpy)' groups linked by a 'TlMe2(NO3)3' group to give the molecule possessing a two-fold axis and 'TlC2N3O2' and 'TlC2O6' co-ordination environments.Crystal data: (NO3)>2> monoclinic, space group P21/c, a = 8.923(3), b = 22.535(8), c = 7.527(3) Angstroem, β = 96.78(3) deg, and Z = 2; NO3 monoclinic, space group P21/c, a = 9.779(3), b = 13.290(3), c = 14.380(4) Angstroem, β = 93.95(2) deg, and Z = 4; tetragonal, space group I41/a, a = 15.715(6), c = 45.21(1) Amgstroem, and Z = 8.