Data and analysis scripts for the publication "Guiding antiferromagnetic transitions by substitution in Ca2RuO4" . Characterisation and Resonant x-ray diffraction data from single crystals of Mn doped Ca2RuO4. Included in this repository are the following data: Single Crystal X-Ray Diffraction Refined CIFs from x-ray diffraction experiments on Ca2Ru1-xMnxO4 with x=0,3,5,10,20% at temperatures 90-500K. Python scripts to determine the exchange path distances Python scripts to create figures Magnetisation Data Data files from Quantum Design SQUID VSM measurements of Ca2Ru1-xMnxO4 with x=0,3,5,10,20%. Field Cooled measurements in different orientations relative to the external field are included. Resonant X-Ray Diffraction Data Raw scan files from I16 measurements covering multiple beamtime allocations on samples of Ca2Ru1-xMnxO4 with x=0,3,5,10,20%. Analysed datasets including python scripts with descriptions of data analysis and figure plots.