On the importance of σ–hole interactions in crystal structures

A Frontera, A Bauzá - Crystals, 2021 - mdpi.com
Elements from groups 14–18 and periods 3–6 commonly behave as Lewis acids, which are
involved in directional noncovalent interactions (NCI) with electron-rich species (lone pair …

Heteroleptic Pd (II) and Pt (II) Complexes with Redox-Active Ligands: Synthesis, Structure, and Multimodal Anticancer Mechanism

NF Romashev, PA Abramov, IV Bakaev… - Inorganic …, 2022 - ACS Publications
A series of heteroleptic square-planar Pt and Pd complexes with bis (diisopropylphenyl)
iminoacenaphtene (dpp-Bian) and Cl, 1, 3-dithia-2-thione-4, 5-dithiolate (dmit), or 1, 3-dithia …

Electrophilic–nucleophilic dualism of nickel (II) toward Ni··· I noncovalent interactions: Semicoordination of iodine centers via electron belt and halogen bonding via σ …

ZM Bikbaeva, DM Ivanov, AS Novikov… - Inorganic …, 2017 - ACS Publications
The nitrosoguanidinate complex [Ni {NH C (NMe2) NN (O)} 2](1) was cocrystallized with I2
and sym-trifluorotriiodobenzene (FIB) to give associates 1· 2I2 and 1· 2FIB. Structures of …

Novel oxidovanadium complexes with redox-active r-mian and r-bian ligands: synthesis, structure, redox and catalytic properties

AN Lukoyanov, IS Fomenko, MI Gongola, LS Shul'pina… - Molecules, 2021 - mdpi.com
A new monoiminoacenaphthenone 3, 5-(CF3) 2C6H3-mian (complex 2) was synthesized
and further exploited, along with the already known monoiminoacenaphthenone dpp-mian …

Pt/Pd and I/Br isostructural exchange provides formation of C–I··· Pd, C–Br··· Pt, and C–Br··· Pd metal-involving halogen bonding

SV Baykov, U Dabranskaya, DM Ivanov… - Crystal Growth & …, 2018 - ACS Publications
Complexes trans-[MCl2 (NCNMe2) 2](M= Pt 1, Pd 2) were cocrystallized with CHBr3 and
CHI3, forming 1: 2 adducts isomorphic with previously reported trans-[PtCl2 (NCNMe2) 2] …

Reverse Sandwich Structures from Interplay between Lone Pair−π-Hole Atom-Directed C···dz2[M] and Halogen Bond Interactions

SV Baykov, SI Filimonov, AV Rozhkov… - Crystal Growth & …, 2019 - ACS Publications
4-Bromo-and 4-iodo-5-nitrophthalonitriles (BNPN and INPN, respectively) were
cocrystallized with the metal acetylacetonates [M (acac) 2](M= Pd (1), Pt (2)) to give the three …

Bromo‐and polybromoantimonates (V): structural and theoretical studies of hybrid halogen‐rich halometalate frameworks

SA Adonin, MA Bondarenko… - … A European Journal, 2018 - Wiley Online Library
Abstract Cation‐dependent reactions “[SbBr6] 3−+ Br2+ HBr+ CationBrx” result in the
formation of bromide/polybromide complexes with zero‐, one‐, two‐, or three‐dimensional …

Ligation-enhanced π-hole··· π interactions involving isocyanides: Effect of π-hole··· π noncovalent bonding on conformational stabilization of acyclic diaminocarbene …

AS Mikherdov, MA Kinzhalov, AS Novikov… - Inorganic …, 2018 - ACS Publications
The reaction of cis-[PdCl2 (CNXyl) 2](Xyl= 2, 6-Me2C6H3) with the aminoazoles [1 H-
imidazol-2-amine (1), 4 H-1, 2, 4-triazol-3-amine (2), 1 H-tetrazol-5-amine (3), 1 H …

Iridium Complexes with BIAN-Type Ligands: Synthesis, Structure and Redox Chemistry

NF Romashev, IV Bakaev, VI Komlyagina… - International Journal of …, 2023 - mdpi.com
A series of iridium complexes with bis (diisopropylphenyl) iminoacenaphtene (dpp-bian)
ligands,[Ir (cod)(dpp-bian) Cl](1),[Ir (cod)(NO)(dpp-bian)](BF4) 2 (2) and [Ir (cod)(dpp …

Novel Copper (II) Complexes with BIAN Ligands: Synthesis, Structure and Catalytic Properties of the Oxidation of Isopropylbenzene

IS Fomenko, OS Koshcheeva, NI Kuznetsova… - Catalysts, 2023 - mdpi.com
Two new isomeric complexes [CuBr2 (R-bian)](R= 4-Me-Ph (1), 2-Me-Ph (2)) were obtained
by reacting copper (II) bromide with 1, 2-bis [(2-methylphenyl) imino] acenaphthene ligands …