σ-Hole, lone-pair-hole, and π-hole site-based interactions in aerogen-comprising complexes: a comparative study

MAA Ibrahim, HAA Abuelliel, NAM Moussa… - RSC …, 2024 - pubs.rsc.org
Herein, the potential of ZO3 and ZF2 aerogen-comprising molecules (where Z= Ar, Kr, and
Xe) to engage in σ-, lp-, and π-hole site-based interactions was comparatively studied using …

Sigma-hole and lone-pair-hole site-based interactions of seesaw tetravalent chalcogen-bearing molecules with Lewis bases

MAA Ibrahim, RRA Saeed, MNI Shehata… - ACS …, 2023 - ACS Publications
For the first time, sigma (σ)-and lone-pair (lp)-hole site-based interactions of SF4 and SeF4
molecules in seesaw geometry with NH3 and FH Lewis bases were herein comparatively …

Does a halogen bond require positive potential on the acid and negative potential on the base?

S Scheiner - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
It is usually expected that formation of a halogen bond (XB) requires that a region of positive
electrostatic potential associated with a σ or π-hole on the Lewis acid will interact with the …

Unconventional Radical and Radical-Hole Site-Based Interactions in Halogen-Bearing Dimers and Trimers: A Comparative Study

MAA Ibrahim, HSM Abd Elhafez, MNI Shehata… - ACS …, 2024 - ACS Publications
Radical (R•) and R•-hole site-based interactions are comparatively studied, for the first time,
using ab initio methods. In this regard, R•-bearing molecules• XO3 (where X= Cl, Br, and I) …

Effects of Lewis basicity and acidity on σ-hole interactions in carbon-bearing complexes: a comparative ab initio study

MAA Ibrahim, MNI Shehata, ASM Rady… - International Journal of …, 2022 - mdpi.com
The effects of Lewis basicity and acidity on σ-hole interactions were investigated using two
sets of carbon-containing complexes. In Set I, the effect of Lewis basicity was studied by …

Ab initio investigation for π-hole interactions of tetrel-and aerogen-bearing molecules with multiple CO Lewis bases

THA Hasanin, HSM Abd Elhafez, MNI Shehata… - Polyhedron, 2025 - Elsevier
Unconventional π-hole interactions of tetrel-bearing molecules (TO 2 where T= Ge and Sn)
with multiple CO Lewis bases were investigated and comparatively addressed with the …

Hole interactions of aerogen oxides with Lewis bases: an insight into σ-hole and lone-pair-hole interactions

MAA Ibrahim, MNI Shehata… - Royal Society …, 2023 - royalsocietypublishing.org
σ-Hole and lone-pair (lp)-hole interactions of aerogen oxides with Lewis bases (LB) were
comparatively inspected in terms of quantum mechanics calculations. The ZOn⋯ LB …

π-Hole interactions of group III-VIII elements-bearing dimers and trimers: a comprehensive ab initio study

MAA Ibrahim, KBN Gendy, RRA Saeed, MNI Shehata… - Chemical Papers, 2025 - Springer
Abstract π-Hole interactions of group III-VIII fourth-and fifth-row elements-bearing molecules
in the trigonal planar geometry with NCH Lewis base were comparatively investigated in the …

[PDF][PDF] sSM

MAA Ibrahim, A Rady - Mandarawe, AMA - academia.edu
The effects of Lewis basicity and acidity on σ-hole interactions were investigated using two
sets of carbon-containing complexes. In Set I, the effect of Lewis basicity was studied by …