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Now showing items 31-38 of 38
The influence of water molecule coordination to a metal ion on water hydrogen bonds
(Royal Soc Chemistry, Cambridge, 2012)
The geometry of hydrogen bonds in the crystal structures from the Cambridge Structural Database and calculated data show that water coordination to a metal ion has a remarkable influence on hydrogen bonds. The calculated ...
Resolving the origin of the multimode Jahn-Teller effect in metallophthalocyanines
(Royal Soc Chemistry, Cambridge, 2016)
A detailed Density Functional Theory (DFT) analysis was performed in order to study the multimode Jahn-Teller (JT) problem in the electronic ground state of manganese phthalocyanine (MnPc). A comparison with the magnesium ...
What are preferred water-aromatic interactions in proteins and crystal structures of small molecules?
(Royal Soc Chemistry, Cambridge, 2014)
The distribution of water molecules around aromatic rings in the protein structures and crystal structures of small molecules shows quite a small number of the strongest OH-pi interactions, a larger number of parallel ...
Improvement of d–d interactions in density functional tight binding for transition metal ions with a ligand field model: assessment of a DFTB3+ U model on nickel coordination compounds
(Royal Society of Chemistry (RSC), 2020)
To improve the description of interactions among the localized d, f electrons in transition metals, we have introduced a ligand-field motivated contribution into the Density Functional Tight Binding (DFTB) model. Referred ...
The significance of the metal cation in guanine-quartet - metalloporphyrin complexes
(Royal Society of Chemistry, 2021)
The planarity and the appropriate size of the porphyrin ring make porphyrin derivatives ideal ligands for stacking to guanine quartets and they could thus be used as anti-cancer drugs. In this contribution we analyzed ...
Resolving the origin of the multimode Jahn-Teller effect in metallophthalocyanines
(Royal Soc Chemistry, Cambridge, 2016)
A detailed Density Functional Theory (DFT) analysis was performed in order to study the multimode Jahn-Teller (JT) problem in the electronic ground state of manganese phthalocyanine (MnPc). A comparison with the magnesium ...
Prediction of strong O-H/M hydrogen bonding between water and square-planar Ir and Rh complexes
(Royal Soc Chemistry, Cambridge, 2017)
Intermolecular OH/M interactions, between a water molecule and square-planar acac complexes ([M(acac)L-2]), with different types of L ligands (en, H2O, CO, CN-, and OH-) and different types of metal atoms (Ir(I), Rh(I), ...
Density functional theory modeling of C-Au chemical bond formation in gold implanted polyethylene
(Royal Soc Chemistry, Cambridge, 2017)
We have studied processes of gold ion implantation in polyethylene (PE) by theoretical chemistry methods. Car-Parrinello molecular dynamics (CPMD) simulations of collisions and following chemical kinetics considerations ...