Structures and Spectral Properties of (O-sec.-Butyldithiocarbonatio-S,S') Bis(triphenylphosphine) Copper(I) and Silver(I) Complexes

• Autorzy: Han Q , Yang X. , Lu L. , Wang X.
• Języki publikacji: EN

Abstrakty

EN

New complexes (PPh3)2M(S2COR) [R = sec.-butyl,M= copper (1), silver (2)] were synthesized by the reaction of excessive triphenylphosphine and copper(II) or silver(I) xanthate, and characterized using IR, EA, 1H NMR and TG. Their crystal structures have been determined by X-ray diffraction. The light yellow crystal of the complex (1) is triclinic of space group P1, with parameters a = 10.300(2) A, b = 13.120(3) A, c = 14.570(3)A, _= 89.53(3), _ = 72.81(3), _ = 78.61(3)_, and Z = 2. The yellow crystal of the complex (2) is triclinic of space group P1, with parameters a = 10.330(2) A, b = 13.410(3) A, c = 14.420(3) A, _ = 88.61(3), _ = 73.60(3), _ = 78.93(3)_, and Z = 2. In the two complexes, the central Cu or Ag atom is in a distorted tetrahedral environment and chelated by two phosphorus atoms from the triphenylphosphine groups and two sulfur atoms from the O-alkyldithiocarbonate. IR and 1H NMR results supported the structures. The thermal analytical data indicate that the complex (1) began to decompose at 122.3_ and decomposition was complete at 370.9_, leaving Cu2S, while the complex (2) began to decompose at 133.3_ and decomposed completely at 290.3_ to Ag2S.

Słowa kluczowe

EN

copper complexes; silver complex; triphenylphosphine; xanthate; synthesis; crystal structure; IR; NMR spectra

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2004
• Tom: Vol. 78 / nr 1
• Strony: 27--33
• Opis fizyczny: Bibliogr. 28 poz., rys.

Twórcy

autor

Han Q

• Materials Chemistry Laboratory, Nanjing University of Science & Technology, Nanjing, 210094, P.R. China

autor

Yang X.

• Materials Chemistry Laboratory, Nanjing University of Science & Technology, Nanjing, 210094, P.R. China

autor

Lu L.

• Materials Chemistry Laboratory, Nanjing University of Science & Technology, Nanjing, 210094, P.R. China

autor

Wang X.

• Materials Chemistry Laboratory, Nanjing University of Science & Technology, Nanjing, 210094, P.R. China

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