Data for the work "Equivalence of residual entropy of hexagonal and cubic ices from tensor network methods"

This dataset contains the data supporting the work “Equivalence of residual entropy of hexagonal and cubic ices from tensor network methods”(arXiv:2511.22477).The structure of the dataset is:-Directory "Measure of normality" contains the data for the measure of normality of the transfer matrix of cubic ice (Table 2 and Figure 4 in the paper). The data is stored as .pkl files, with "Data_readout_example.ipynb" showing how to read it out. -Directory "Residual entropy" contains the data for the residual entropy results caluclated with our method (Table 3 and Figure 7 in the paper). The data is stored in the form of configuration number per site as .txt files with space separators. To perform extrapolation, correlation length for each point is calculated and stored as .pkl files. The file "Data_readout_example.ipynb" gives examples of how to use the data.-Directory "Numerical error estimation" contains a rough analysis of the numerical error of our iPEPS optimization method with split-CTMRG scheme. The file "Error_analysis.ipynb" shows how to readout the data and presents the analysis. The corresponding data is stored as .npy files in two subdirectories.