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[1-allylpyridinium][Cu2Cl3]: synthesis, X-ray structure and the regularity of crystal architecture of 1-allyl/(amino)-pyridinum copper(I) chloride π-complexes.
Autorzy
Rok wydania
2005
Czasopismo
Zeitschrift für Anorganische und Allgemeine Chemie
Numer woluminu
631
Strony
793-797
DOI
0.1002/zaac.200400446
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
By alternating-current electrochemical technique crystalsof copper(I)π-complex with 1-allylpyridinium chloride of[C5H5N(C3H5)][Cu2Cl3](1) composition have been obtained andstructurally investigated. Compound1crystallizes in monoclinicsystem, space group C2/c a24.035(1) A ̊,b11.4870(9) A ̊,c7.8170(5) A ̊,β95.010(5)°,V2150.0(2) A ̊3(at 100 K), Z8,R0.028, for 4836 independent reflections. In the structure1tri-gonal-pyramidal environment ofπ-coordinated copper(I) atom isformed by a lengthened to 1.376(2) A ̊CC bond of allyl group andby three chlorine atoms. Other two copper atoms are tetrahedrally surrounded by chlorine atoms only. The coordination polyhedraare combined into an original infinite (Cu4Cl62)nfragment.Structural comparison of1and the recently studied copper(I) chlo-rideπ-complexes with 3-amino- , 2-amino- , 4-amino-1-allylpyri-dinium chlorides of respective [LCu2Cl3](2), [L2Cu2Cl4](3), and[LCuCl2](4) compositions allowed us to reveal the trend of theinorganic fragment complication which depends on pKa (base) va-lue of the corresponding initial heterocycle.
Słowa kluczowe
Copper, π-complexes, Pyridines basicity, 1-Allylpyridi-nium chloride
Adres publiczny
https://doi.org/0.1002/zaac.200400446
Strona internetowa wydawcy
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