Official Resources
- GitHub: https://github.com/yuanlinding/findmagsym
- Web Application: Available online
- License: Check repository
Overview
findmagsym is a web-based application for finding the magnetic space group of a magnetic crystal structure. It takes a crystal structure with magnetic moments as input and determines the appropriate magnetic space group, generating MCIF (Magnetic CIF) format output files compatible with visualization and analysis tools.
Scientific domain: Magnetic crystallography, magnetic space groups, structure analysis
Target user community: Researchers studying magnetic materials and needing magnetic symmetry classification
Theoretical Methods
- Magnetic space group determination
- Magnetic symmetry operation analysis
- Time-reversal symmetry combinations
- Magnetic moment transformation rules
- BNS and OG notation support
Capabilities (CRITICAL)
- MSG Determination: Automatic magnetic space group finding
- MCIF Output: Magnetic CIF file generation
- Web Interface: Browser-based accessibility
- Multiple Notations: BNS and OG conventions
- Visualization: Structure visualization support
- Moment Analysis: Magnetic moment symmetry checking
Sources: GitHub repository, web application
Key Strengths
Web-Based:
- No installation required
- Browser accessible
- Immediate results
- User-friendly interface
MCIF Support:
- Standard output format
- Compatible with VESTA
- Bilbao server compatible
- Documentation standard
Practical Focus:
- Real structure input
- Moment handling
- Multiple conventions
- Error checking
Inputs & Outputs
-
Input formats:
- CIF files with moments
- Structure + moment vectors
- Manual input option
-
Output data types:
- Magnetic space group number
- MCIF format file
- Symmetry operations
- Magnetic point group
Installation
Web-based: No installation needed, access via browser.
For local use:
git clone https://github.com/yuanlinding/findmagsym.git
cd findmagsym
# Follow repository instructions
Usage Examples
- Navigate to web application
- Upload CIF file with magnetic structure
- Specify magnetic moments
- Click "Find Magnetic Space Group"
- Download MCIF output
Performance Characteristics
- Speed: Fast symmetry analysis
- Accuracy: Validated against known structures
- Accessibility: Web-based, no setup
Limitations & Known Constraints
- Web dependency: Requires internet for web version
- Input format: Specific format requirements
- Complex structures: May need manual verification
Comparison with Other Tools
- vs FINDSYM: findmagsym magnetic-focused
- vs Bilbao MAGNDATA: Different interface approach
- vs STRCONVERT: findmagsym web-based
- Unique strength: Simple web interface for MSG determination
Application Areas
- Magnetic structure refinement
- Neutron diffraction analysis
- Magnetic phase identification
- Symmetry-based property prediction
- Database entry preparation
Best Practices
- Verify input structure accuracy
- Check moment directions carefully
- Compare BNS and OG notations
- Validate against known materials
Community and Support
- GitHub repository
- Web application support
- Academic development
Verification & Sources
Primary sources:
- GitHub: https://github.com/yuanlinding/findmagsym
Confidence: VERIFIED
Verification status: ✅ VERIFIED
- GitHub repository: ACCESSIBLE
- Web application: AVAILABLE
- Method: Magnetic space group determination