A. Hamid Othman

CRYSTAL STRUCTURE OF DIBUTYLTIN BIS(N,N-DIISOPROPYL)DITHOCARBAMATE

hydrogen a toms are shown as spheres of arbitrary radii. Selected bond dis tances and angles : S n l — C I = 2.13(1), S n l — C I / = 2.13(1), S n l — S I = 2.530(2), S n l — S I ; = 2.530(2), S n l — S 2 = 2 .944(2) , S n l — S 2 ; = 2.944(2) Ä; C I — S n l — C I ; = 131.5(6), C I — S n l — S I = 108.1(2), C I — S n l — S I ; = 108.1(2), C I — S n l — S 2 = 83.8(1), C I — S n l — S2; = 83.8(1), C I ; — S n l — SI = 108.1(2), C I / — S n l — S I ; = 108.1(2), C I / — S n l — S 2 = 83.8(1), C I / — S n l — S 2 ; = 83.8(1), S I — S n l — S l ; = 81.7(1), S I — S n l — S 2 = 64.5(1) , S I — S n l — S2; = 146.2(1), S I / — S n l — S 2 = 146.2(1), S I / — S n l — S 2 / = 64.5(1), S 2 — S n l — S 2 ; = 149.3(1)°. S y m m e t r y t ransformation: / = 0.5 — χ , 1.5 — y , z.

Bis­[N-(2-hydroxy­ethyl)-N-methyl­di­thiocarbamato-S,S′]­di­phenyl­tin

The Sn atom in the title compound, [Sn(C6H5)2(C4H8NOS2)2], is six-coordinate in a cis–C2SnS4 octahedral environment.

Bis­[N,N‐bis(2‐hydroxy­ethyl)­di­thio­carbamato‐S,S′]di­phenyl­tin(IV)

The Sn atom in the title compound, [Sn(C6H5)2(C5H10NO2S2)2], is six-coordinate in a cis-C2SnS4 octahedral environment.

Crystal structure of 1,2,4,6-tetraphenylpyridinium tetrabromoferrate(III)

The title structure, which belongs to the triclinicP¯1 space group witha=13.901(4),b=10.732(1),c=10.570(8)Åα=109.14(4),β=96.17(4), γ=90.34(2)°, is refined toR=0.052 for 2985I≥3σ(I) reflections. The structure consists of a non-interacting 1,2,4,6-tetraphenylpyridinium and tetrahedral tetrabromoferrate (III) ions.

Tetragonal modification of 1,1,3,3,5,5-hexa­methyl­cyclo-1,3,5-tristanna­thia­ne

The space group of the title compound, [Sn3S3(CH3)6], reported as P41, is corrected to P42212.