NDLI: Synthese von Wolframkomplexen des Typs [LW(CO)3X]+ (X = H, F, Br; L = 1,4,7-Triazacyclononan). Die Kristallstrukturen von [LW(CO)3Br]BF4 und [LW(CO)3H]2[WOCl5]·H2O / Synthesis of Tungsten Complexes of the Type [LW(CO)3X]+ (X=H, F, Br; L=1,4,7-triazacyclononane). The Crystal Structures of [LW(CO)3Br]BF4 and [LW(CO)3H]2[WOCl5]·H2O

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Synthese von Wolframkomplexen des Typs [LW(CO)3X]+ (X = H, F, Br; L = 1,4,7-Triazacyclononan). Die Kristallstrukturen von [LW(CO)3Br]BF4 und [LW(CO)3H]2[WOCl5]·H2O / Synthesis of Tungsten Complexes of the Type [LW(CO)3X]+ (X=H, F, Br; L=1,4,7-triazacyclononane). The Crystal Structures of [LW(CO)3Br]BF4 and [LW(CO)3H]2[WOCl5]·H2O

Content Provider	Scilit
Author	Schreiber, Peter Wieghardt, Karl Flörke, Ulrich Haupt, Hans-Jürgen
Copyright Year	1987
Abstract	The reaction of LW(CO)₃ (L = 1,4,7-triazacyclononane) with Br₂ in CHCl₃ yields orange [LW(CO)₃Br](Br₃) which was converted to its BF₄ ^- salt. [LW(CO)₃Br]BF₄ crystallizes in the triclinic space group P1̅ (a = 8.273(3), b = 8.628(2), c = 13.034(3) Å , α = 80.10(2), β = 72.69(2), γ = 61.14(2)°, Z = 2); it consists of cations [LW(CO)₃Br]⁺ , with seven-coordinate W atoms, and BF₄ ^-anions. The corresponding salt [LW(CO)₃F](PF₆) was obtained from LW(CO)₃ with 20% aqueous HF in the presence of air and addition of NaPF₆. The analogous reaction with 37% aqueous HCl affords green crystals of [LW(CO)₃H]₂[WOCl₅]·H₂O which crystallize in the monoclinic space group P2₁/c (a = 12.234(4), b = 18.853(7), c = 14.609(5) Å, β = 105.65(3)°, Z = 4). The W atoms in the [LW(CO)₃H]⁺ cations are seven-coordinate; the six-coordinate [WOCl₅]^2- anions are not disordered. The W = O distance is short (1.72(1) Å ), the mean equatorial W-Cl distance is 2.390 Å whereas the W-Cl bond distance trans to the W = O group is 2.562(5) Å.
Related Links	http://www.degruyter.com/downloadpdf/j/znb.1987.42.issue-11/znb-1987-1105/znb-1987-1105.xml
Ending Page	1397
Page Count	7
Starting Page	1391
ISSN	09320776
e-ISSN	18657117
DOI	10.1515/znb-1987-1105
Journal	Zeitschrift für Naturforschung B
Issue Number	11
Volume Number	42
Language	English
Publisher	Walter de Gruyter GmbH
Publisher Date	1987-11-01
Access Restriction	Open
Subject Keyword	Zeitschrift Für Naturforschung B Inorganic Chemistry Tungsten Complexes X-ray Crystal Structure Journal: Zeitschrift für Naturforschung B, Vol- 42
Content Type	Text
Resource Type	Article
Subject	Chemistry

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