Well-defined molecular uranium(III) chloride complexes.
نویسندگان
چکیده
The first anhydrous molecular complexes of uranium(III) chloride, soluble in polar aprotic solvents, are reported, including the structures of the dimeric [UCl3(py)4]2 and the trimetallic [UCl(py)4(μ-Cl)3U(py)2(μ-Cl)3UCl2(py)3].
منابع مشابه
Synthesis and characterization of N-heterocyclic carbene complexes of uranium(III).
Reaction of [(((Ad)ArO)(3)tacn)U(III)] (1) or [((Me(3)Si)(2)N)(3)U(III)] (3) with tetramethylimidazol-2-ylidene (Me(4)IMC:) yields novel N-heterocyclic carbene complexes [(((Ad)ArO)(3)tacn)U(III)(Me(4)IMC:)] (2) and [((Me(3)Si)(2)N)(3)U(III)(Me(4)IMC:)] (4). Uranium complexes 2 and 4 represent the first examples of compounds with an N-heterocyclic carbene ligand coordinated to a low-valent uran...
متن کاملTetranuclear uranium clusters by reductive cleavage of 3,5-dimethylpyrazolate.
Actinide metal centers are of fundamental interest as they have electronic structures that are distinct from those of transition metals and lanthanides. Indeed, the combination of increased spin–orbit coupling relative to transition metals and enhanced ligand field effects relative to lanthanides renders modeling the magnetic behavior of actinide-containing molecules particularly challenging. S...
متن کاملUranium tris-aryloxide derivatives supported by triazacyclononane: engendering a reactive uranium(III) center with a single pocket for reactivity.
The synthesis and spectroscopic characterization of the mononuclear uranium complex [((ArO)(3)tacn)U(III)(NCCH(3))] is reported. The uranium(III) complex reacts with organic azides to yield uranium(IV) azido as well as uranium(V) imido complexes, [((ArO)(3)tacn)U(IV)(N(3))] and [((ArO)(3)tacn)U(V)(NSi(CH(3))(3))]. Single-crystal X-ray diffraction, spectroscopic, and computational studies of thi...
متن کاملSynthesis and Structure of Nitride-Bridged Uranium(III) Complexes.
ABSTRACT The reduction of the nitride-bridged diuranium(IV) complex Cs[{U(OSi(OtBu)3)3}2(μ-N)]affords the first example of a uranium nitride complex containing uranium in the +III oxidation state. Two nitride-bridged complexes containing the heterometallic fragments Cs2[U(III---)-N-(---U(IV)] and Cs3[U(III---)-N-(---U(III)] have been crystallographically characterized. The presence of two or th...
متن کاملPreparation and Characterization of Ni(II), Co (II) and Cr(III) Complexes with Benzoylamethylenetriphenylphosphine
The reaction between Ni(II), Co(II), cr(III) bitrates, Ni(II) chloride and ambidentate a-keto ylide benzoylmethylenetriphenylphosphine (BPPY) resulted in isolation of [Ni(BPPY)2](NO3)2.2H2O, [Ni(BPPY)2]Cl2, [Co(BPPY)2](NO3)2 and [Cr(BPPY)3](NO<sub...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Chemical communications
دوره 50 30 شماره
صفحات -
تاریخ انتشار 2014