Current developments and trends in quantum crystallography

A Krawczuk, A Genoni - Structural Science, 2024 - journals.iucr.org
Quantum crystallography is an emerging research field of science that has its origin in the
early days of quantum physics and modern crystallography when it was almost immediately …

Wave functions consistent with experimental x-ray diffraction data: A hircocervus becomes reality

A Genoni - Chemical Physics Reviews, 2024 - pubs.aip.org
Since the early days of quantum physics, the possibility of obtaining wave functions
consistent with experimental x-ray diffraction data has been envisioned. The idea is firmly …

Hydrogen atoms in bridging positions from quantum crystallographic refinements: influence of hydrogen atom displacement parameters on geometry and electron …

LA Malaspina, AA Hoser, AJ Edwards, M Woińska… - …, 2020 - pubs.rsc.org
Resonance-assisted hydrogen bonds (RAHBs) are exploited in chemical synthesis or serve
as models for biologically relevant proton-transfer reactions [KT Mahmudov and AJL …

Critical assessment of the x-ray restrained wave function approach: Advantages, drawbacks, and perspectives for density functional theory and periodic ab initio …

A Genoni, Á Martín Pendás - The Journal of Chemical Physics, 2024 - pubs.aip.org
The x-ray restrained wave function (XRW) method is a quantum crystallographic technique
to extract wave functions compatible with experimental x-ray diffraction data. The approach …

Analysis of crystal field effects and interactions using X-ray restrained ELMOs

M Ernst, A Genoni, P Macchi - Journal of Molecular Structure, 2020 - Elsevier
The purpose of this study is to assess the capability of X-ray restrained molecular
wavefunction methods to reproduce the perturbation due to the crystal field. The effect of the …

Insertion of Ni (0) and Pd (0) precursors into the Si–Si bond of a disilane with two hypercoordinate silicon atoms

R Usui, Y Sunada - Chemical Communications, 2020 - pubs.rsc.org
The activation of the silicon–silicon bond in disilane Ph2Si (μ-PzMe2) 2SiPh2 (1), which
possesses two five-coordinate silicon centers, was achieved by a reaction with Pd (0) or Ni …

Strength and nature of host‐guest interactions in metal‐organic frameworks from a quantum‐chemical perspective

M Ernst, G Gryn'ova - ChemPhysChem, 2022 - Wiley Online Library
Metal‐organic frameworks (MOFs) offer a convenient means for capturing, transporting, and
releasing small molecules. Their rational design requires an in‐depth understanding of the …

N-[Dichloro(methyl)silylmethyl]acetamides: synthesis and structure

AS Soldatenko, IV Sterkhova, NF Lazareva - Russian Chemical Bulletin, 2023 - Springer
The reaction of N-trimethylsilylacetamides with ambifunctional silane ClCH2SiMeCl2
afforded N-[dichloro (methyl) silylmethyl]-N-methylacetamide, N-[dichloro (methyl) …

On the use of the Obara–Saika recurrence relations for the calculation of structure factors in quantum crystallography

A Genoni - Foundations of Crystallography, 2020 - journals.iucr.org
Modern methods of quantum crystallography are techniques firmly rooted in quantum
chemistry and, as in many quantum chemical strategies, electron densities are expressed as …

N-(Chlorodimethylsilyl) methyl anilides: synthesis and structure

AS Soldatenko, IV Sterkhova, NF Lazareva - Mendeleev Communications, 2022 - Elsevier
N-(Chlorodimethylsilyl) methyl anilides of formula RC (O) N (C 6 H 4 X) CH 2 SiMe 2 Cl (R=
Me, Ph; X= H, Me, Cl) were obtained by the reaction of N-TMS-containing anilides with ClCH …