DCIS Imaging

Giuseppetti, Gian Marco; Boria, Francesca; Baldassarre, Silvia

doi:10.1007/978-3-319-57451-6_3

Cited by 3 publications

(1 citation statement)

References 50 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Indeed, complexation of HMTA with zinc and numerous other metals was observed in early coordination chemistry studies [33]. Powder diffraction studies as early as 1954 yielded tentative cell constants for some complexes, [34] but clear structural analyses were not forthcoming until much later. In that regard, Mak et al reported an accurate structure analysis of the hexahydrate [Zn(H2O)6][{(CH2)6N4}ZnCl3]·6H2O [35].…”

Section: Introductionmentioning

confidence: 99%

Synthesis, crystal structure, infrared spectroscopy, thermal analysis and Hirshfeld surface analysis of a new hemihydrate of [Zn (H2O) 6][{(CH2)6N4}ZnCl3]2·0.5H2O

Basdouri

Trojette

Falvello

et al. 2019

Journal of Molecular Structure

View full text Add to dashboard Cite

Synthesis, crystal structure, infrared spectroscopy, thermal analysis and Hirshfeld surface analysis of a new hemihydrate of [Zn (H2O) 6][{(CH2)6N4}ZnCl3]2·0.5H2O. AbstractThe new organic-inorganic hybrid material [Zn(H2O)6][{(CH2)6N4}ZnCl3]2·0.5 H2O, is the second hydrate in this system, the first having been the hexahydrate. The new solid was prepared by slow evaporation of a solution of the reactants at room temperature and was structurally characterized by X-ray crystallography. This compound crystallizes in the trigonal system, space group P-3c1 with a = 9.8303(2)Å, c = 17.5460(2)Å, V = 1468.38(4)Å 3 and with Z = 2. The complex was characterized by FT-IR, thermogravimetric analysis (TGA), differential thermal analysis (DTA) and with a detailed analysis of Hirshfeld surfaces and fingerprint plots. The structural unit of the title compound consists of a [Zn II (H2O)6] 2+ cation, two [Zn II Cl3(hmt)]anions and half of a water molecule, partially occupied and disordered [hmt is hexamethylenetetramine, (CH2)6N4]. Crystal packing is mediated by O-H…N and O-H…Cl hydrogen bonds between the anions and cations, and to a lesser extent by O-H…O contacts, which are present only part of the time as a consequence of the partial occupancy of the isolated water molecules. The relationship between the packing in the new structure and that of the previous hexahydrate is described.

show abstract

Section: Introductionmentioning

confidence: 99%