File Extension Database

Open CML File

In the world of computing, there are various types of files and file formats that cater to different needs and purposes. One such file extension is CML, which can stand for several formats, including Chemical Markup Language, Chemical MIME, and Chempyl. This article will discuss the possible formats and ways to open and use files with CML file extensions, and provide relevant information and resources.

Chemical Markup Language (CML)

Chemical Markup Language (CML) is an open-standard XML-based file format used to describe and exchange chemical data, including molecular structures, reactions, and spectra. Developed by Peter Murray-Rust and Henry Rzepa, CML files can be used for computational chemistry, data mining, and the creation of chemical databases. To open and work with CML files, you can use various applications and tools designed for chemistry and bioinformatics, such as:

  • JChemPaint - An open-source editor and viewer for chemical structures in CML format.
  • Avogadro - A free and open-source molecular editor that can read, edit, and save CML files.
  • Open Babel - A chemical toolbox designed to exchange chemical data in various formats, including CML.

Chemical MIME

In the past, CML was sometimes used as an abbreviation for Chemical MIME (Multipurpose Internet Mail Extensions), which was an early effort to standardize chemical data exchange on the internet. This usage is now largely obsolete, as Chemical MIME has evolved into the modern Chemical Markup Language. For historical purposes only, some older applications or resources may still reference the CML file extension as Chemical MIME.

Chempyl

Chempyl is a discontinued application for Windows, which was used to draw and visualize chemical structures and reactions. It used its own proprietary file format with the CML extension, which is unrelated to the XML-based Chemical Markup Language. While Chempyl itself is no longer supported, you might still encounter CML files created with this software. In order to access such files and their contents, you may need to seek a converter that can transform Chempyl CML files into a more popular chemical structure format such as SDF (Structure Data Format) or CML (Chemical Markup Language).

CML File Important Information

When handling files with the CML extension, it is essential to determine their specific format and origin, as there are multiple uses for this file extension, each of which requires a different method to access and utilize the contained information. For modern chemical data, you will most likely encounter Chemical Markup Language (CML) as the primary format, with various tools and applications available to work with these files. Always ensure that you are using the appropriate software for the CML format you are dealing with, and don't forget to refer to the provided resources in this article for further assistance.

How Can I Open CML File on Windows

How Can I Open CML File on Mac OS

How Can I Open CML File on Android

If you downloaded a CML file on Android device you can open it by following steps below:

How to Open CML File on iPhone or iPad

To open CML File on iOS device follow steps below:

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CML file article translations

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