1975
DOI: 10.1002/ange.19750871214
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Arsiniden-Komplexe: Struktur und Elektronenspektrum von C6H5As[Cr(CO)5]2

Abstract: Das Produkt ( I ) kristallisiert in tiefvioletten, metallisch glanzenden Blattchen, die in Durchsicht blau erscheinen ; in Benzol, Toluol und Methylenchlorid ist es mit intensiv blaugruner Farbe gut loslich. Bei 45°C/10-2 Torr kann der neue Komplex unter teilweiser Zersetzung sublimiert werden; unter N, schmilzt er im geschlossenen Rohr bei 104°C. Kristalle von ( 1 ) sind an der Luft mehrere Stunden haltbar, Losungen zersetzen sich jedoch rasch.Im Massenspektrum von (I) tritt das Molekiil-Ion bei m/e= 536 (bez… Show more

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Cited by 57 publications
(10 citation statements)
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“…The trigonal-planar coordination of phosphorus and the properties of the phosphinidene complexes ( I ) suggest description of the bonding in the M-P=M group in terms of the model of a three-center 471 electron We have now found further evidence substantiating the correctness of this model concept : On attempted dehalogenation of the dichlorophosphane complex C5H5(C0)2MnP(Ph)C12 with Fe2(C0)9 we observed formation of a compound of the novel type (2). C5H5(C0) …”
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confidence: 61%
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“…The trigonal-planar coordination of phosphorus and the properties of the phosphinidene complexes ( I ) suggest description of the bonding in the M-P=M group in terms of the model of a three-center 471 electron We have now found further evidence substantiating the correctness of this model concept : On attempted dehalogenation of the dichlorophosphane complex C5H5(C0)2MnP(Ph)C12 with Fe2(C0)9 we observed formation of a compound of the novel type (2). C5H5(C0) …”
mentioning
confidence: 61%
“…5 1 : the manganese atom is coplanar with the phosphorus atom, the phenyl carbon atom, and the iron atom of the Fe(CO)4 group (maximum deviation 17 pm). Thus the coordination of the phosphorus in (2) corresponds to the trigonal-planar environment observed for the phosphorus atom in dinuclear phosphinidene complexes of type (1). The metal-metal bonds in (2) are relatively longc6] and reflect the unusual bonding characterizing this complex, in which the manganese atom and the iron atom of the Fe(CO)4 act as the terminal atoms of a three-center 4 n ligand system.…”
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confidence: 84%
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“…Für die Diskussion der Cr-As-Bindung können die Vergleichswerte herangezogen werden, die in der letzten Zeit [13][14][15] As3-Asl-As2 As 3-As 2-As 1 As 2-As 3-As 1 As 2-As 1-C2 As 3-As 1-C 2 As 1-As2-C 1 As 3-As 2-C1 As I-As3-C3 As 2-As 3-C 3 As 2-C 1 In der Kristallstruktur bilden die Moleküle eine hexagonal dichteste Packung, wobei die Schichten der Packung auf den Gleitspiegelebenen bei y -1/4 und y = 3/4 angeordnet sind. Die durch die Cr-AsBindung festgelegte Hauptachse des Moleküls verläuft parallel zur (100)-Ebene und ist weitgehend in C-Richtung orientiert.…”
Section: Molekül-und Kristallstrukturunclassified