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pnpm, or Performant Node Package Manager, is one of the main JavaScript package managers, [2] developed in 2016 by Zoltan Kochan for the Node.js JavaScript runtime environment. [3] It focuses on being a disk space-efficient alternative to npm .
Part of force field of ethane for the C-C stretching bond. In the context of chemistry, molecular physics, physical chemistry, and molecular modelling, a force field is a computational model that is used to describe the forces between atoms (or collections of atoms) within molecules or between molecules as well as in crystals.
The reference implementations of the OPLS force field are the BOSS and MCPRO programs developed by Jorgensen. Other packages such as TINKER , GROMACS , PCMODEL , Abalone , LAMMPS , Desmond and NAMD also implement OPLS force fields.
UFF-Dreiding-like field For proteins, DNA, ligands AMBER: Yes Yes Via chamber tool since v11 Yes No No No Ascalaph Designer: UA 94, 99SB, 03 No No No No No Avogadro: No No No Yes 94, 94s No Yes Balloon: No No No No 94 No No MMFF94-like BOSS: Yes No No No No No No CHARMM: Yes* Yes* Yes* Via CHARMM-GUI [2] Full MMFF94, but code rumored ...
National Postal Museum (since 1993), a museum in Washington, D.C., United States; National Palace Museum, a museum in Taipei, Taiwan; npm, Inc., a software development and hosting company based in California, United States
The bond, angle, dihedral, and nonbonded terms are similar to those found in other force fields such as AMBER. The CHARMM force field also includes an improper term accounting for out-of-plane bending (which applies to any set of four atoms that are not successively bonded), where is the force constant and is the out-of-plane angle.
Merck molecular force field (MMFF) is a family of chemistry force fields developed by Merck Research Laboratories. They are based on the MM3 force field. They are based on the MM3 force field. MMFF is not optimized for one use, such as simulating proteins or small molecules , but tries to perform well for a wide range of organic chemistry ...
In the context of chemistry and molecular modelling, the Interface force field (IFF) is a force field for classical molecular simulations of atoms, molecules, and assemblies up to the large nanometer scale, covering compounds from across the periodic table. [1]