Library

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Heteronuclear Metal Atom Clusters of the Types X4-n[SnM(CO)4P(C6H5)3]n and M2(CO)8[μ-Sn(X)M(CO)4P(C6H5)3]2 by Reaction of SnX2 with M2(CO)8[P(C6H5)3]2 (X = Halogene; M = Mn, Re; n = 2, 3)The compounds of the both types X4-n[SnM(CO)4P(C6H5)3]n (n = 3; M = Mn; X = F, Cl, Br, I. n = 2: M = Mn, Re; X = Cl, Br, I) and M2(CO)8[μ-Sn(X)M(CO)4P(C6H5)3]2 (M = Mn; X = Cl, I. M = Re; X = Cl, Br, I) are prepared by reaction of SnX2 with M2(CO)8[P(C6H5)3]2 (M = Mn, Re). Their IR frequencies are assigned.In Re2(CO)8[μ-Sn(Cl)Re(CO)4P(C6H5)3]2 the central molecule fragment contains a planar Re2Sn2 rhombus with a transannular Re—Re bond of 316.0(2) pm. Each of the SnIV atoms is connected with the terminal ligands Cl and Re(CO)4P(C6H5)3. These ligands are in transposition with respect to the Re2Sn2 ring. The mean values for the remaining bond distances (pm) are: Sn—Re = 274.0(3); Sn—Cl = 243(1), Re—C = 176(5), Re—P = 242.4(9), C—O = 123(5).The factors with an influence on the geometrical shape of such M2Sn2 rings (M = transition metal) are discussed.
    Notes: Die Verbindungen der beiden Typen X4-n[SnM(CO)4P(C6H5)3]n (n = 3; M = Mn; X = F, Cl, Br, I. n = 2; M = Mn, Re; X = Cl, Br, I) sowie M2(CO)8[μ-Sn(X)M(CO)4P(C6H5)3]2 (M = Mn; X = Cl, I. M = Re; X = Cl, Br, I) werden durch die Umsetzung von SnX2 mit M2(CO)8[P(C6H5)3]2 (M = Mn, Re) dargestellt. Ihre IR-Bandenlagen werden zugeordnet.Das zentrale Molekülfragment von Re2(CO)8[μ-Sn(Cl)Re(CO)4P(C6H5)3]2 besteht aus einem planaren Re2Sn2-Rhombus mit einer transannularen Re—Re-Bindung von 316,0(2) pm. Neben den beiden Rhenium-Ringatomen ist jedes Zinn (IV)-Atom mit einem Cl- und Re(CO)4P(C6H5)3-Liganden verknüpft; das Koordinationspolyeder am SnIV ist verzerrt tetraedrisch. Die beiden letztgenannten Liganden befinden sich in trans-Stellung zum Re2Sn2-Rhombus. Weitere Bindungsabstände (pm) betragen: Sn—Re = 274,0(3); Sn—Cl = 243(1); Re—P = 242,4(9); Re—C = 176(5) sowie C—O = 123(5). Faktoren mit Einfluß auf die Geometrie solcher M2Sn2-Rhomben (M = Übergangsmetall) werden diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...