XDrawChem

XDrawChem is a free software program for drawing chemical structural formulas, available for Unix and macOS.[1] It is distributed under the GNU GPL. In Microsoft Windows this program is called WinDrawChem.

Stable release
1.10.2 / January 9, 2017 (2017-01-09)
Repositorygithub.com/bryanherger/xdrawchem
Written inC++
Operating systemUNIX and X Window (Linux, SGI IRIX, Sun Solaris, others...) or macOS
TypeMolecular editor
LicenseGNU GPL

Major features
  • Fixed length and fixed angle drawing
  • Automatic alignment of figures
  • Detection of structures, text, and arrows, and their automatic placement
  • Can automatically draw rings and other structures - has all standard amino acids and nucleic acids in a built-in library
  • Retrieval of structures from a network database based on CAS number, formula, or name
  • Retrieval of information on a molecule based on a drawing
  • Symbols such as partial charge and radicals
  • Reading MDL Molfiles, CML (Chemical Markup Language), ChemDraw binary format, ChemDraw XML text format
  • Writing MDL Molfiles, CML, ChemDraw XML text format
  • Integration with OpenBabel, allowing XDrawChem to read and write over 20 different chemical file formats.
  • Image export in Portable Network Graphics (PNG), Windows bitmap, Encapsulated PostScript (EPS), and Scalable Vector Graphics (SVG)
  • 3D structure generation with the help of the external program BUILD3D
  • Simple spectra predictions, including 13C-NMR, 1H-NMR (based on additive rules and functional group lookup methods), and IR
  • Simple property estimation, including pKa, octanol-water partition coefficient, and gas-phase enthalpy change.

See also
  • ChemDraw – popular, proprietary chemical editor

References
  1. Nguyen, Binh. Linux Dictionary. Binh Nguyen.
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