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In graph theory, the degree of a vertex is its number of connections. In a chemical graph, the maximum degree of an atom is its valence, and the maximum number of bonds a chemical element can make. For example, carbon's valence is 4. In a chemical graph, an atom is saturated if it reaches its valence.
2021/4/30 Origin 2021b: Mini toolbar for 3D graph, built-in Shapefile support, insert maps to graphs, NetCDF climate data, SQLite import export; 2020/10/27 Origin 2021. Fully integrated Python support with new originpro package. New formula bar, color manager, chord diagram. New Apps including TDMS Connector, Import PDF Tables. 2020/4/30 Origin ...
Windows, Linux, OS X; SVL programming language Build, edit and visualise small molecules, macromolecules, protein-ligand complexes, crystal lattices, molecular and property surfaces. Platform for extensive collection of molecular modelling / drug discovery applications.
Molecule builder-editor for Windows, Linux, Unix, and macOS. All source code is licensed under the GNU General Public License (GPL) version 2. Supported languages include: Chinese , English , French , German , Italian , Russian , Spanish , and Polish .
20-sim - bond graph-based multi-domain simulation software. Actran - finite element-based simulation software to analyze the acoustic behavior of mechanical systems and parts. ADINA - engineering simulation software for structural, fluid, heat transfer, and multiphysics problems. ACSL and acslX - an advanced continuous simulation language.
Spartan is a molecular modelling and computational chemistry application from Wavefunction. [2] It contains code for molecular mechanics, semi-empirical methods, ab initio models, [3] density functional models, [4] post-Hartree–Fock models, [5] and thermochemical recipes including G3(MP2) [6] and T1. [7]
fold.it download page Archived 2011-04-04 at the Wayback Machine: FoldX: I Yes Yes No No No No No No Energy calculations, protein design Proprietary, commercial or gratis CRG: GROMACS: No No Yes Yes No [2] Yes I Yes [3] Yes High performance MD Free open source GNU GPL: gromacs.org: GROMOS: No No Yes Yes Yes Yes Yes Yes Yes Intended for biomolecules
ChemDraw is a molecule editor first developed in 1985 by Selena "Sally" Evans, her husband David A. Evans, and Stewart Rubenstein [1] [2] (later by the cheminformatics company CambridgeSoft).