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The Halogen Bond
The specific advantages brought up by a design based on the use of the halogen bond will be demonstrated in quite different fields spanning from material sciences to biomolecular recognition and drug design. Expand
SYMMOL: a program to find the maximum symmetry group in an atom cluster, given a prefixed tolerance
SYMMOL is a new stand-alone program to find the maximum symmetry compatible with a given tolerance. The input requirements are cell parameters, atomic coordinates and the tolerance. The output is aExpand
Halogen bonding based recognition processes: a world parallel to hydrogen bonding.
The main features of the interaction are given, and the close similarity with the hydrogen bonding will become apparent, and some heuristic principles are presented to develop a rational crystal engineering based on halogen bonding. Expand
Halogen bonding in supramolecular chemistry.
The energetic and geometrical features of the interaction are described along with the atomic characteristics that confer molecules with the specific ability to interact through this interaction. Expand
Centro CNR di Sndio per la Stratigrafia e Petrografia delle AIpiCentrali, via Bonicelli 23, I-20133 Milan' ItalyPAOLO GENTILE AND CARLO M. GRAMACCIOLIDipanimento di Scienze dellaTerra, IlniversitExpand
Monazite specimens from various localities in the Alps have been examined by electon microprobe and by singlecrystal X-ray diffraction. With the exception of Sm, which is higher in general inExpand
The importance of accurate crystal structure determination of uranium minerals. II. Soddyite (UO2)2(SiO4).2H2O
Cristallisation dans Fddd avec a=8.334, b=11.212, c=18.668A, Z=8; affinement jusqu'a R=0.014. la structure contient des chaines de bipyramides pentagonales centrees sur les atomes U, reliees par desExpand
Lattice‐Dynamical Estimation of Atomic Displacement Parameters in Carbonates: Calcite and Aragonite CaCO3, Dolomite CaMg(CO3)2 and Magnesite MgCO3
Using crystallographic information and empirical potentials derived from fitting the vibrational frequencies of all the substances under study, together with those of a group of silicates and oxides,Expand
The chemical composition of xenotime form fissures and pegmatites in the Alps
Eleven specimens of xenotime from the Alpine region (six from fissures, five from granitic pegmatites) have been analyzed by electron microprobe. Unit-cell parameters have been obtained fromExpand