Search Results - "Destro, Riccardo"
-
1
Anharmonic Thermal Motion Modelling in the Experimental XRD Charge Density Determination of 1-Methyluracil at T = 23 K
Published in Molecules (Basel, Switzerland) (21-05-2021)“…The experimental electron density distribution (EDD) of 1-methyluracil (1-MUR) was obtained by single crystal X-ray diffraction (XRD) experiments at 23 K. Four…”
Get full text
Journal Article -
2
On the Charge Density Refinement of Odd-Order Multipoles Invariant under Crystal Point Group Symmetry
Published in Symmetry (Basel) (01-05-2017)“…Charge density studies utilise a multipolar expansion of the atomic density (and the associated atomic scattering factor) in order to model asphericity…”
Get full text
Journal Article -
3
Experimental Charge Density Analysis and Electrostatic Properties of Crystalline 1,3-Bis(Dimethylamino)Squaraine and Its Dihydrate from Low Temperature (T = 18 and 20 K) XRD Data
Published in Crystals (Basel) (01-10-2020)“…Multipolar refinements of structural models fitting extensive sets of X-ray diffraction (XRD) data from single crystals of 1,3-bis(dimethylamino)squaraine [SQ,…”
Get full text
Journal Article -
4
Fundamental Properties and Nature of CH··O Interactions in Crystals on the Basis of Experimental and Theoretical Charge Densities. The Case of 3,4-Bis(dimethylamino)-3-cyclobutene-1,2-dione (DMACB) Crystal
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (21-03-2002)“…The CH··O contacts in the 3,4-bis(dimethylamino)-3-cyclobutene-1,2-dione (DMACB) crystal have been characterized through a topological analysis of its…”
Get full text
Journal Article -
5
Physicochemical Properties of Zwitterionic l- and dl-Alanine Crystals from Their Experimental and Theoretical Charge Densities
Published in The journal of physical chemistry. B (24-04-2008)“…The total experimental electron density distributions ρ(r) of zwitterionic l- and dl-alanine crystals, as derived from extensive sets of X-ray diffracted…”
Get full text
Journal Article -
6
Competing CO···CO, C–H···O, Cl···O, and Cl···Cl Interactions Governing the Structural Phase Transition of 2,6-Dichloro‑p‑benzoquinone at T c = 122.6 K
Published in Crystal growth & design (02-10-2013)“…2,6-Dichloro-p-benzoquinone (DCBQ) has been investigated by single-crystal X-ray diffraction experiments in the T range of 300–21 K and quantum-mechanical…”
Get full text
Journal Article -
7
Progress in the Understanding of the Key Pharmacophoric Features of the Antimalarial Drug Dihydroartemisinin: An Experimental and Theoretical Charge Density Study
Published in Chemistry : a European journal (04-03-2013)“…The accurate, experimental charge density distribution, ρ(r), of the potent antimalarial drug dihydroartemisinin (DHA) has been derived for the first time from…”
Get full text
Journal Article -
8
Anharmonic motions versus dynamic disorder at the Mg ion from the charge densities in pyrope (Mg3Al2Si3O12) crystals at 30 K: six of one, half a dozen of the other
Published in Acta crystallographica Section B, Structural science, crystal engineering and materials (01-08-2017)“…The possible occurrence of static/dynamic disorder at the Mg site in pyrope (Mg3Al2Si3O12), with or without anharmonic contribution to the thermal vibrations…”
Get full text
Journal Article -
9
Single N–C Bond Becomes Shorter than a Formally Double NC Bond in a Thiazete-1,1-dioxide Crystal: An Experimental and Theoretical Study of Strong Crystal Field Effects
Published in Crystal growth & design (03-09-2014)“…3-Diethylamino-4-(4-methoxyphenyl)-1,1-dioxo-4H-1λ6,2-thiazete-4-carbonitrile (DTC) is a synthetic compound that exhibits a significant similarity with…”
Get full text
Journal Article -
10
Rationalizing the Effect of Halogenation on the Molecular Structure of Simple Cyclobutene Derivatives by Topological Real-Space Analysis of Their Electron Density
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (17-11-2011)“…The accurate gas-phase equilibrium structures on the ground-state potential energy surface of the complete series of fluorinated and chlorinated cyclobutene…”
Get full text
Journal Article -
11
Estimated H-atom anisotropic displacement parameters: a comparison between different methods and with neutron diffraction results
Published in Acta crystallographica. Section A, Foundations of crystallography (01-07-2008)“…Anisotropic displacement parameters (ADPs) are compared for H atoms estimated using three recently described procedures, both among themselves and with neutron…”
Get full text
Journal Article -
12
On the Interplay between CH···O and OH···O Interactions in Determining Crystal Packing and Molecular Conformation: An Experimental and Theoretical Charge Density Study of the Fungal Secondary Metabolite Austdiol (C12H12O5)
Published in The journal of physical chemistry. B (30-03-2006)“…The total experimental electron density ρ(r), its Laplacian ∇2ρ(r), the molecular dipole moment, the electrostatic potential φ(r), and the intermolecular…”
Get full text
Journal Article -
13
Approximate anisotropic displacement parameters for H atoms in molecular crystals
Published in Chemical physics letters (11-03-2004)“…Anisotropic displacement parameters for H atoms in molecular crystals are calculated with a simplified model that uses approximate vibrational modes,…”
Get full text
Journal Article -
14
Effect of Methoxy Substituents on the Structural and Electronic Properties of Fluorinated Cyclobutenes: A Study of Hexafluorocyclobutene and Its Vinyl Methoxy Derivatives by XRD and Periodic DFT Calculations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (02-04-2009)“…The effect of the methoxy substituent on the structure, crystal packing, and electrostatic properties of hexafluorocyclobutene (C4F6) was investigated in the…”
Get full text
Journal Article -
15
Progress in the Understanding of Drug-Receptor Interactions, Part 2: Experimental and Theoretical Electrostatic Moments and Interaction Energies of an Angiotensin II Receptor Antagonist (C30H30N6O3S)
Published in Chemistry : a European journal (17-08-2007)“…A combined experimental and theoretical charge density study of an angiotensin II receptor antagonist (1) is presented focusing on electrostatic properties…”
Get full text
Journal Article -
16
Anharmonic motions versus dynamic disorder at the Mg ion from the charge densities in pyrope (Mg3Al2Si3O12) crystals at 30K: six of one, half a dozen of the other
Published in Acta crystallographica. Section B, Structural science (01-08-2017)“…The possible occurrence of static/dynamic disorder at the Mg site in pyrope (Mg3Al2Si3O12), with or without anharmonic contribution to the thermal vibrations…”
Get full text
Journal Article -
17
A low-temperature (23 K) study of L-alanine
Published in Journal of physical chemistry (1952) (01-02-1988)Get full text
Journal Article -
18
-
19
On the interplay between CH...O and OH...O interactions in determining crystal packing and molecular conformation: an experimental and theoretical charge density study of the fungal secondary metabolite austdiol (C12H12O5)
Published in The journal of physical chemistry. B (30-03-2006)“…The total experimental electron density rho(r), its Laplacian inverted delta(2)rho(r), the molecular dipole moment, the electrostatic potential phi(r), and the…”
Get full text
Journal Article -
20
Electron Density Investigation of a Push-Pull Ethylene (C14H24N2O2⋅H2O) by X-ray Diffraction at T = 21 K
Published in Chemistry : a European journal (21-11-2003)“…The electron charge distribution in a strongly twisted push–pull ethylene [PPE, 3‐(1,3‐diisopropyl‐2‐imidazolidinylidene)‐2,4‐pentanedione] has been determined…”
Get full text
Journal Article