What is a MOL2 file?
The .MOL2 file extension represents a Tripos molecular structure file. It is a standard text-based data file used in computational chemistry. These files store 3D coordinates of atoms, chemical bonds, and custom properties for molecules. Researchers and chemists use .MOL2 files to save and share complex molecular models. The format was originally developed by Tripos for their SYBYL molecular modeling software.
How to open MOL2 files?
Because .MOL2 files contain specialized scientific data, you normally need molecular modeling software to view the 3D structures. Popular programs include BIOVIA Discovery Studio, Avogadro, UCSF Chimera, and software from the Cambridge Structural Database (CSD). You can also open the file in standard text editors like Notepad++ to read the raw coordinate data.
View and analyze MOL2 files online
If you do not have chemistry software installed, viewer.online/mol2 can analyze .MOL2 files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available.
File conversion
Different computational tools often require different data formats. If you need to use your .MOL2 data in another program, we recommend converting files to sensible target formats on convert.guru. Common target formats for chemical structures include .PDB, .SDF, and .MOL.
Summary
viewer.online/mol2 is useful for identifying, inspecting, and understanding .MOL2 files without installing software or dealing with compatibility problems. Because the .MOL2 extension might be used differently by obscure systems, you can rely on viewer.online/mol2 to identify the actual format of your file.