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The Trichlorogermanite(II) Anion and its Gold(I) Complexes

  • Upendra M. Tripathi , Gerald L. Wegner , Annette Schier , Alexander Jockisch and Hubert Schmidbaur
Published/Copyright: June 2, 2014
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Zeitschrift für Naturforschung B
From the journal Zeitschrift für Naturforschung B Volume 53 Issue 9

Tetraphenylphosphonium trichlorogermanite(II) (1) has been prepared (as a reference compound) from Ph4P+ Cl- and GeCl2 (dioxane) in tetrahydronaphthalene. Its structure has been determined by single crystal X-ray methods. The lattice contains independent monomeric GeCl3- anions (Ge-Cl distances between 2.290 and 2.320 Å, Cl-Ge-Cl angles between 95.33 and 98.27°). Treatment of (Ph3As)AuCl with GeCl2 (dioxane) affords (Ph3As)AuGeCl3 in high yields as a germylene insertion product (2). The complex is a dimer in the crystal with a short Au--Au contact of 2.9415(4) Å and bent As-Au-Ge axes [169.353(13)°]. The GeCl3 ligand has shorter Ge-Cl bonds [2.175 to 2.183 Å] and wider Cl-Ge-Cl angles than in the free anion [100.9 to 101.9°]. The analogous reaction with CH2 (AsPh2AuCl)2 leads only to a mono-insertion product in the form of a salt with {[CH2 (AsPh2)2Au]}22+ dications and two [ClAuGeCl3]- anions (3). In the lattice these three ions form a centrosymmetrical tetranuclear unit through short Au--Au contacts. The resulting z-shaped Au--Au--Au--Au chain has distances of 3.0499(6) (twice) and 3.1613(8) Å and angles of 118.833(8)° (twice). The geometry of the GeCl3 units is similar to that in 2. {(Et3N)Au[P(o-Tol)3]}+ PF6- (4) was obtained as a by-product in several reactions with the bulky phosphine and where NEt3 was used as a base. The crystals contain two crystallographically independent cations with a similar core structure, but different conformations of the substituents. Both the P-Au and the N-Au bonds are elongated owing to steric effects.

Keywords : Germanium(II); Trichlorogermanite(II); Gold-Germanium Compounds; Arsine Complexes; Germylene Insertion
Received: 1998-6-25
Published Online: 2014-6-2
Published in Print: 1998-9-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

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  1. Thermochrome Chloro- und Bromocuprate: [C(NH2)3]2[CuBr4], (H3CC2N2SNH3)2[Cu2Br6], (C7N3H14)2[CuCl4], (C7N3H14)2[CuBr4], [(Cl, Br)C3N2H6][CuCl3OH2] und (BrC3N2H6)2[CuBr4] / Thermochromic Chloro- and Bromocuprates: [C(NH2)3]2[CuBr4], (H3CC2N2SNH3)2[Cu2Br6], (C7N3H14)2[CuCl4], (C7N3H14)2[CuBr4], [(Cl, Br)C3N2H6][CuCl3OH2] und (BrC3N2H6)2[CuBr4]
  2. The Trichlorogermanite(II) Anion and its Gold(I) Complexes
  3. Pyridine-Derived Tetrapodal Ligands with NO4 and NN4 Donor Sets
  4. Gesteuerte Kristallisation des Gadolinium(III)-Komplexes von Diethylentriaminpentaacetat: Monomere und dimere Struktur / Controlled Crystallization of the Gadolinium(III) Complex of Diethylenetriamine-Pentaacetate: Monomeric and Dimeric Structure
  5. 2-Bromo-5-iodo-hydroquinone and its Symmetrical and Unsymmetrical Dialkylethers
  6. Metallkomplexe von biologisch wichtigen Liganden, CVI [1]. Metallkomplexe von Donor-substituierten Oxazolin-5-onen sowie von Bis(oxazolin-5-onen) / Metal Complexes of Biologically Important Ligands CVI [1], Metal Complexes of Donor Substituted Oxazolones and of Bis(oxazolones)
  7. Synthesis and Crystal Structure of a Novel Germatrane: 1-Bis(trimethylsilyl)aminogermatrane
  8. Kristallstrukturen von Me2Si[N(SiMe3)2]2 und [Me2Si(NPh)(NHPh)Li·OEt2]2 / Crystal Structures of Me2Si[N(SiMe3)2]2 and [Me2Si(NPh)(NHPh)Li·OEt2]2
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  16. Axial Chirality in Square-Planar Metal Complexes
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  21. Notizen: Die Kristallstruktur von ClPb[N(SiMe3)2]3 / Crystal Structure of ClPb[N(SiMe3)2]3
https://doi.org/10.1515/znb-1998-0902
Keywords for this article
Germanium(II); Trichlorogermanite(II); Gold-Germanium Compounds; Arsine Complexes; Germylene Insertion

Articles in the same Issue

  1. Thermochrome Chloro- und Bromocuprate: [C(NH2)3]2[CuBr4], (H3CC2N2SNH3)2[Cu2Br6], (C7N3H14)2[CuCl4], (C7N3H14)2[CuBr4], [(Cl, Br)C3N2H6][CuCl3OH2] und (BrC3N2H6)2[CuBr4] / Thermochromic Chloro- and Bromocuprates: [C(NH2)3]2[CuBr4], (H3CC2N2SNH3)2[Cu2Br6], (C7N3H14)2[CuCl4], (C7N3H14)2[CuBr4], [(Cl, Br)C3N2H6][CuCl3OH2] und (BrC3N2H6)2[CuBr4]
  2. The Trichlorogermanite(II) Anion and its Gold(I) Complexes
  3. Pyridine-Derived Tetrapodal Ligands with NO4 and NN4 Donor Sets
  4. Gesteuerte Kristallisation des Gadolinium(III)-Komplexes von Diethylentriaminpentaacetat: Monomere und dimere Struktur / Controlled Crystallization of the Gadolinium(III) Complex of Diethylenetriamine-Pentaacetate: Monomeric and Dimeric Structure
  5. 2-Bromo-5-iodo-hydroquinone and its Symmetrical and Unsymmetrical Dialkylethers
  6. Metallkomplexe von biologisch wichtigen Liganden, CVI [1]. Metallkomplexe von Donor-substituierten Oxazolin-5-onen sowie von Bis(oxazolin-5-onen) / Metal Complexes of Biologically Important Ligands CVI [1], Metal Complexes of Donor Substituted Oxazolones and of Bis(oxazolones)
  7. Synthesis and Crystal Structure of a Novel Germatrane: 1-Bis(trimethylsilyl)aminogermatrane
  8. Kristallstrukturen von Me2Si[N(SiMe3)2]2 und [Me2Si(NPh)(NHPh)Li·OEt2]2 / Crystal Structures of Me2Si[N(SiMe3)2]2 and [Me2Si(NPh)(NHPh)Li·OEt2]2
  9. N-Benzoylthiocarbamoyl Amino Acid Ethyl Esters as Chelate Ligands for Transition Metal Ions
  10. Theoretische und experimentelle Untersuchungen zur Protonierung substituierter closo-Hexaborate -[B6H5HfacF]- und [B6H5HfacCH3]- / Theoretical and Experimental Investigations on the Protonation of Substituted closo-Hexaborates -[B6H5HfacF]- and [B6H5HfacCH3]-
  11. 1,2-Bis( 1′,3′ -dimethylimidazolin-2′-iminato)ethan - ein neuer Chelatligand [1] / 1,2-Bis(1′,3′-dimethylimidazolin-2′-iminato)ethane - a Novel Chelating Ligand [1]
  12. Supersilylverbindungen des Phosphors, V [1]. Darstellung, Struktur und Reaktivität des Pentaphosphids (tBu3Si)3P5Na2 und des Pentaphosphans (tBu3Si)3P5[2] / Supersilyl Compounds of Phosphorus, V [1]. Preparation, Structure, and Reactivity of the Pentaphosphide (tBu3Si)3P5Na2 and the Pentaphosphane (tBu3Si)3P5 [2]
  13. Benzo[b]fluorenes Formed in the Thermal Cyclization of 3-Ene-1,6-diynes
  14. Electron Donor-Acceptor Compounds. Synthesis and Structure of 5-(1,4-Benzoquinone-2-yl)-10,15,20-trialkylporphyrins
  15. Photoleitende Flüssigkristalle aus der Reihe der 2,3,6,7-Tetrakis(alkoxy)triphenylene / Liquid Crystals in the Series of 2,3,6,7-Tetraalkoxytriphenylenes
  16. Axial Chirality in Square-Planar Metal Complexes
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  18. Octacidomycine, IV : Neue Totalsynthese von rac-Octacidomycin und strukturverwandten Oligocarbonsäuren / Octacidomycins, IV : A New Total Synthesis of rac-Octacidomycin and Structurally Related Oligocarboxylic Acids
  19. Optimized Automated Solid Phase Synthesis of Oligonucleotides and Derivatives
  20. Aufbau von Nonaphen-und Dithianonaphen-Derivaten - Modellverbindungen für gewinkelte Bandstrukturen / Generation of Nonaphene and Dithianonaphene Derivatives - Model Compounds for Bent Molecular Ribbons
  21. Notizen: Die Kristallstruktur von ClPb[N(SiMe3)2]3 / Crystal Structure of ClPb[N(SiMe3)2]3
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