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Two polymorphs of a lead(II) complex with 8-hydroxy-2-methylquinoline and thiocyanate

Gholamhossein Mohammadnezhad ; Mostafa M. Amini ; Vratislav Langer (Institutionen för kemi- och bioteknik, Oorganisk miljökemi)
Acta Crystallographica Section C: Crystal Structure Communications (0108-2701). Vol. C66 (2010), 2, p. m44-m47.
[Artikel, refereegranskad vetenskaplig]

Two distinct polymorphs of bis(μ2-methylquinolin-8-olato)-κ3N,O:O;κ3O:N,O-bis[(isothiocyanato-κN)lead(II)], [Pb2(C10H8NO)2(NCS)2], (I), forming dinuclear complexes from a methanolic solution containing lead(II) nitrate, 2-methylquinolin-8-ol (M-Hq) and KSCN, crystallized concomitantly as colourless prisms [form (Ia)] and long thin colourless needles [form (Ib)]. In both cases, the complexes lie across a centre of inversion. The polymorphs differ substantially in their conformation and in their interactions, viz. Pb...S and π-π for form (Ia) and Pb...S, Pb...π and C-H...π for form (Ib).

Nyckelord: X-ray strucure determination, polymorphism, lead(II) complex, 8-hydroxy-2-methylquinoline, thiocyanate

Denna post skapades 2010-01-15.
CPL Pubid: 107775


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Institutionen för kemi- och bioteknik, Oorganisk miljökemi (2005-2014)



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