Dataset Viewer
The dataset viewer is not available for this subset.
Cannot get the split names for the config 'default' of the dataset.
Exception:    SplitsNotFoundError
Message:      The split names could not be parsed from the dataset config.
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
                  for split_generator in builder._split_generators(
                                         ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/hdf5/hdf5.py", line 58, in _split_generators
                  with _safe_open_h5py(f, "r") as h5:
                       ~~~~~~~~~~~~~~~^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/hdf5/hdf5.py", line 392, in _safe_open_h5py
                  f = h5py.File(file, mode)
                File "/usr/local/lib/python3.14/site-packages/h5py/_hl/files.py", line 555, in __init__
                  fid = make_fid(name, mode, userblock_size, fapl, fcpl, swmr=swmr)
                File "/usr/local/lib/python3.14/site-packages/h5py/_hl/files.py", line 232, in make_fid
                  fid = h5f.open(name, flags, fapl=fapl)
                File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
                File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
                File "h5py/h5f.pyx", line 106, in h5py.h5f.open
              OSError: Unable to synchronously open file (file signature not found)
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/split_names.py", line 68, in compute_split_names_from_streaming_response
                  for split in get_dataset_split_names(
                               ~~~~~~~~~~~~~~~~~~~~~~~^
                      path=dataset,
                      ^^^^^^^^^^^^^
                      config_name=config,
                      ^^^^^^^^^^^^^^^^^^^
                      token=hf_token,
                      ^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
                  info = get_dataset_config_info(
                      path,
                  ...<6 lines>...
                      **config_kwargs,
                  )
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
                  raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
              datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

CHILI-100K — unofficial Hugging Face mirror

Raw archive of CHILI-100K from the CHILI dataset, mirrored to HF for convenient cloud access. This repo contains the original .h5 files packaged as CHILI-100K.zip (one HDF5 file per crystal-type / composition; each holds all 5 nanoparticle sizes).

Attribution (please cite the original authors)

Friis-Jensen, U., Selvan, R., et al. CHILI: Chemically-Informed Large-scale Inorganic Nanomaterials Dataset for Advancing Graph Machine Learning. KDD '24.

Licensing

  • Data (the .h5 archive in this repo): CC BY 4.0 — the license of the original CHILI dataset/paper. You may share and adapt it with attribution to the authors above. This is the repo's primary license: tag.
  • Original CHILI code (dataset class, generation scripts): Apache-2.0, see https://github.com/UlrikFriisJensen/CHILI.
  • Any loader/wrapper code added to this mirror: MIT (covers only the helper code, not the data).

This mirror is unofficial; all credit to the original authors. Attribution is preserved as required by CC BY 4.0.

Contents

  • CHILI-100K.zip — original raw HDF5 archive from the DTU/ERDA repository.

Graph-level schema (y dict, per the paper's Table 2)

Node x = [atomic_number, atomic_radius, atomic_weight, electron_affinity]; edge_attr = [distance (Å)]; pos_abs / pos_frac atomic coordinates. y holds crystal_type, space_group_*, crystal_system(_number), cell_params[6], the full unit-cell subgraph, and simulated scattering signals (nd, xrd, nPDF, xPDF, sans, saxs) — usable as targets or conditioning inputs.

Load the original way with the authors' CHILI PyG dataset class, or unzip and read the .h5 files directly with h5py.

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Paper for Godseye1311/CHILI-100K