Browsing by Subject "Metal-metal bonds"
Now showing items 1-9 of 9
-
Complexes of niobium and tantalum containing metal-metal bonds
(Texas A&M University. Libraries, 1987)A new entry into the area of low valent niobium and tantalum complexes containing metal-metal bonds is described. M₂X₆(μ-THT)(THF)₂ complexes, where M = Nb or Ta, X = Cl or Br and THT = tetrahydrothiophene, are conveniently ... -
Molecular orbital, generalized valence bond, and complete active space calculations on transition metal compounds with agostic hydrogen and bridging carbonyls : new basis sets, geometry of trichloromethyltitanium, and bonding of Bis(cyclopentadienyldicarbonylchromium)
(Texas A&M University. Libraries, 1989)Total geometry optimizations are reported for Cr(CO)₆ , HMn(CO)₅ , Fe(CO)₅ , Ni(CO)₄ , Cr(C₆H₆)₂, Fe(C₅H₅)₂ , Ni(C₄H₄)₂, Cr(NO)₄, (C₅H₅)Mn(CO )₃, and (C₆H₆)Cr(CO)₃ . A variety of basis sets were examined, and, based on the ... -
The preparation and x-ray structural characterization of dinuclear chromium, molybdenum, ruthenium, rhodium, and osmium complexes
(Texas A&M University. Libraries, 1983)Eleven new dimeric complexes containing metal-metal bonds have been prepared and structurally characterized by X-ray crystallography. Seven are of the type M(,2)(O(,2)CR)(,4) (M = Cr, Mo, Rh; R = CH(,3), 2-biphenyl, CPh(,3), ... -
Reaction pathways in polynuclear metal carbonyls
(Texas A&M University. Libraries, 1986)This study concentrates on the reactivity, characterization, and synthesis of transition metal clusters. The primary goals behind this investigation were: (1) to determine whether or not electronic information can be ... -
Structure and bonding in edge-sharing bioctahedral complexes and clusters derived from heteronuclear carbyne compounds of Group VI and VII transition metals
(Texas A&M University. Libraries, 1986) -
The synthesis and characterization of binuclear complexes of platinum (III)
(Texas A&M University. Libraries, 1986)A reliable, high-yield synthetic method for the preparation of binuclear, metal-metal bonded platinum(III) complexes has been developed. A wide variety of complexes have been prepared by the following reaction sequence: ... -
Synthesis and structural characterization of dinuclear and trinuclear chromium complexes and dinuclear tungsten complexes
(Texas A&M University. Libraries, 1983)Dichromium(II) compounds are unique among metal-metal quadruply bonded systems in the range of metal-metal distances they display and in the tendency of the metal atoms in neutral molecules to bind axial ligands. X-ray ... -
Theoretical and physical investigations of group 9-14 metal complexes containing the diphenylmethylenethiophosphinate (MTP) ligand : effect of metal proximity on physical properties
(Texas A&M University. Libraries, 1993)A trimetallic complex, [Hg2Pt(CH2P(S)Ph2)4]X2 (X = BPh4-, PF6-, 1a , b), was obtained from the reaction of Hg(MTP)2 (MTP = CH2P(S)Ph2-) with one equivalent of Pt[S(CH2CH3)2]2Cl2, in CH2Cl, in the presence of either NaBPh4 ... -
Transition metal complexes containing donor-acceptor metal-metal bonds
(Texas A&M University. Libraries, 1986)A series of six heterobimetallic carbonyl anions containing Fe and group 6 metals have been synthesized and characterized by spectroscopic techniques, chemical reactivity, and X-ray crystallography. The structural features ...