the ligand cone angle (θ) is a measure of the steric bulk of a ligand in a transition metal coordination complex. It is defined as the solid angle formed...

usually not useful. Ligand cone angles are measures of the size of ligands in coordination chemistry. It is defined as the solid angle formed with the metal...

high basicity (pKa = 9.7) and a large ligand cone angle (170°). Important complexes containing P(Cy)3 ligands include the 2005 Nobel Prize-winning Grubbs'...

boundary element method (BEM) Evaluating the size of ligands in metal complexes, see ligand cone angle Calculating the electric field and magnetic field...

This ligand is one of the most basic alkyl phosphines with a large ligand cone angle of 160. Pi-Pr3 is similar to the more frequently used tricyclohexylphosphine...

donated to the metal (denticity or hapticity). The size of a ligand is indicated by its cone angle. The composition of coordination complexes have been known...

between the two ligands. Compared to phosphine ligands, NHC ligands' cone angle is more complex. The imidazole ring of the NHC ligand is angled away from the...

The ligand cone angle (θ) is the apex angle of a cylindrical cone, which is centered 2.28 Å from the center of the P atom. However, the cone angle of an...

coordination chemistry, the bite angle is the angle on a central atom between two bonds to a bidentate ligand. This ligand–metal–ligand geometric parameter is used...

second coordination sphere for metal complexes. Coordination number Ligand cone angle Coordination geometry What Is A Coordination Compound? Zhao, Meng;...

Phosphites exhibit a smaller ligand cone angles than the structurally related phosphine ligand family. Phosphite ligands are components of industrial...

properties of phosphine ligands can be manipulated. The steric properties of phosphine ligands can be ranked by their Tolman cone angle or percent buried volume...

it slowly converts to the phosphine oxide. As a phosphine ligand, it has a wide cone angle of 194°. Consequently, it tends to cyclometalate when treated...

a highly basic ligand that forms complexes with most metals. As a ligand, trimethylphosphine's Tolman cone angle is 118°. This angle is an indication...

Triethylphosphine is a highly basic ligand that forms coordination complexes with many metals. As a ligand, triethylphosphine's Tolman cone angle is 132°. Being a relatively...

carbene (NHC) ligands have been ranked according to IR data recorded on cis-[RhCl(NHC)(CO)2] complexes. Metal carbonyl Tolman cone angle Robert H. Crabtree...

methylphosphonate: P(OCH3)3 → CH3P(O)(OCH3)2 As a ligand, trimethyl phosphite has a smaller cone angle and better acceptor properties relative to trimethylphosphine...

If the plane intersects both halves of the double cone but does not pass through the apex of the cones, then the conic is a hyperbola. Besides being a conic...

EtCage complexes are known, since the ligand is highly basic (for a phosphite) and has a small ligand cone angle (101°). Illustrative complexes include...

groups is significantly larger reductions in the contact angle upon oxidation. Josiphos ligands International Union of Pure and Applied Chemistry (2014)...

that help cell–cell and cell–extracellular matrix (ECM) adhesion. Upon ligand binding, integrins activate signal transduction pathways that mediate cellular...

by tert-butyl groups. When used as ligands, the steric bulk of tertiary phosphines is evaluated by their cone angle. The barrier to pyramidal inversion...

interpreted and can mask signals for other ligands. Compared to other tertiary phosphines, it is compact (cone angle: 136°) and basic (χ-parameter: 5.25 cm−1)...

Tolman developed his “ligand cone angle” theory that developed into the widely accepted electronic and steric effects of ligands on inorganic and organometallic...

ISSN 0002-7863. Seligson, Allen L.; Trogler, William C. (March 1991). "Cone angles for amine ligands. X-ray crystal structures and equilibrium measurements for ammonia...

cubane-type cluster. Related bulky anionic ligands include C5Me5−, (Me3Si)2N−, and NacNac−. Silox has a larger cone angle than C5Me5− and is a poorer donor. It...

ligands. Metal bound t-Bu3PN− has a cone angle of 87° vs 83 for cylclopentadienyl. Compared to Cp, the bulky substituents of the phosphinimide ligand...

effect is mainly caused by the surrounding ligands that are complexed to the metal and it is the ligands that are involved in the reduction chemistry...

similarly to those of CO. Because the CNC linkage is linear, the cone angle of these ligands is small, so it is easy to prepare polyisocyanide complexes....

transition metals of groups 7–10. In terms of steric bulk, PPh3 has a Tolman cone angle of 145°, which is intermediate between those of P(C6H11)3 (170°) and P(CH3)3...