ShelXle

ShelXle
the ShelXle main window with a structure of C60F18
Developer(s) Christian B. Hübschle
Initial release 2011
Stable release
1.0.825 / January 28, 2017 (2017-01-28)
Written in C++
Operating system Windows, Linux, macOS
Type Molecular modelling
License GNU Lesser General Public License
Website http://www.shelxle.org/index.php

The program ShelXle [1] is a graphical user interface for the structure refinement program SHELXL.[2] ShelXle combines an editor with syntax highlighting for the SHELXL-associated .ins (input) and .res (output) files with an interactive graphical display for visualization of a three-dimensional structure including the electron density (Fo) and difference density (Fo-Fc) maps.

Overview

ShelXle can display electron density maps like the macro molecular program Coot (program) but is more intended for smaller molecules. A number of excellent graphical user interfaces (GUIs) exist for small molecule crystal structure refinement with SHELX (e.g., WINGX,[3] Olex2,[4] XSEED,[5] PLATON and SYSTEM-S,[6] and the Bruker programs XP and XSHELL)

ShelXle is free software, distributed under the GNU LGPL. It is available from the ShelXle web site or from SourceForge http://sourceforge.net/projects/shelxle/ . Binaries are available for Windows, macOS and the Linux distributions SuSE, Debian and Ubuntu. The Windows binary is distributed with the NSIS Installer.

Features

  • Editor featuring Syntax highlighting and Code completion for the SHELX instructions.
  • Clicking on an atom in the structure view sets the text cursor to the line that contains this atom.
  • Locating atoms in structure view from the editor.
  • Rename mode with support of residues and disordered parts and free variables.

Program architecture

ShelXle uses the Qt (framework). It is written entirely in C++ and does not use any Scripting language. For the refinement it calls the external binary of SHELXL which might also be SHELXH, SHELXLMP from George M. Sheldrick or XL from Bruker.

SHELX

SHELX[2] is developed by George M. Sheldrick since the late 1960s. Important releases are SHELX76 and SHELX97. It is still developed but releases are usually after ten years of testing. Academic users can download the SHELX programs freely after registration.[7]

References

  1. ↑ Hübschle, Christian B.; Sheldrick, George M.; Dittrich, Birger (12 November 2011). "ShelXle: a Qt graphical user interface for SHELXL". Journal of Applied Crystallography. 44 (6): 1281–1284. doi:10.1107/S0021889811043202. Retrieved 25 January 2012.
  2. 1 2 Sheldrick, George M. (21 December 2007). "A short history of SHELX". Acta Crystallographica Section A. 64 (1): 112–122. Bibcode:2008AcCrA..64..112S. doi:10.1107/S0108767307043930. Retrieved 25 January 2012.
  3. ↑ Farrugia, Louis J. (1 August 1999). "WinGX suite for small-molecule single-crystal crystallography". Journal of Applied Crystallography. 32 (4): 837–838. doi:10.1107/S0021889899006020.
  4. ↑ Dolomanov, Oleg V.; Bourhis, Luc J.; Gildea, Richard J.; Howard, Judith A. K.; Puschmann, Horst (24 January 2009). "OLEX2: a complete structure solution, refinement and analysis program". Journal of Applied Crystallography. 42 (2): 339–341. doi:10.1107/S0021889808042726.
  5. ↑ Barbour, Leonard J. (2001). "X-Seed — A Software Tool for Supramolecular Crystallography". J. Supramol. Chem. 1: 189–19. doi:10.1016/S1472-7862(02)00030-8.
  6. ↑ Spek, Anthony L. (20 January 2009). "Structure validation in chemical crystallography". Acta Crystallographica Section D. 65 (2): 148–155. doi:10.1107/S090744490804362X. PMC 2631630.
  7. ↑ "The SHELX homepage". shelx.uni-goettingen.de. Retrieved 2016-09-06.
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