Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 9 (September 2013)


metal-organic compounds



Acta Cryst. (2013). C69, 1013-1016    [ doi:10.1107/S0108270113020209 ]

Inter­molecular iodine-iodine inter­actions in bis­(pyridine-3-carboxyl­ato)[tetra­kis­(4-iodo­phenyl)­porphyrin­ato]tin(IV) and bis­(pyrimidine-5-carboxyl­ato)[tetra­kis­(4-iodo­phenyl)­porphyrin­ato]tin(IV)

H. M. Titi, R. Patra and I. Goldberg

Abstract: Crystals of bis­(pyridine-3-carboxyl­ato)[tetra­kis­(4-iodo­phenyl)porphyrin­ato]tin(IV) di­methyl­formamide sesqui­solvate, [Sn(C44H24I4N4)(C6H4NO2)2]·1.5C3H7NO, (I), and bis­(pyri­midine-5-carboxyl­ato)[tetra­kis­(4-iodo­phenyl)porphyrin­ato]tin(IV) di­methyl­formamide sesquisolvate, [Sn(C44H24I4N4)(C5H3N2O2)2]·1.5C3H7NO, (II), exhibit inter­porphyrin iodine-iodine halogen bonds, which direct the supra­molecular assembly of the porphyrin entities into halogen-bonded layers. Each mol­ecule inter­acts with its four nearest neighbours within the layer via eight I...I inter­actions at approximately 3.8 and 4.0 Å. The two structures are isomorphous and isometric, with the metalloporphyrin complexes located on centres of crystallographic inversion.

Formula: [Sn(C44H24I4N4)(C6H4NO2)2]·1.5C3H7NO and [Sn(C44H24I4N4)(C5H3N2O2)2]·1.5C3H7NO

Keywords: crystal structure; iodine-iodine inter­actions; tetra­kis­(4-iodo­phen­yl)porphyrins; halogen bonds.


hkldisplay filedownload file

Structure factor file (CIF format) (355.4 kbytes)
[ doi:10.1107/S0108270113020209/fg3302Isup2.hkl ]
Contains datablock I


hkldisplay filedownload file

Structure factor file (CIF format) (368.7 kbytes)
[ doi:10.1107/S0108270113020209/fg3302IIsup3.hkl ]
Contains datablock II


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