{"id":1,"date":"2025-04-09T08:36:42","date_gmt":"2025-04-09T08:36:42","guid":{"rendered":"http:\/\/localhost\/wordpress\/valancelabs\/?p=1"},"modified":"2025-05-13T16:06:51","modified_gmt":"2025-05-13T16:06:51","slug":"introducing-openqdc-the-open-source-hub-of-ml-ready-quantum-datasets","status":"publish","type":"post","link":"https:\/\/valancelabs.digitalhero.uk.com\/fr\/introducing-openqdc-the-open-source-hub-of-ml-ready-quantum-datasets\/","title":{"rendered":"Introducing OpenQDC &#8211; The Open-Source Hub of ML-Ready Quantum Datasets"},"content":{"rendered":"<div class=\"fifty_fifty\">\n    <div class=\"container\">\n        <div class=\"left__col\">\n            <h2>Introduction<\/h2>\n                    <\/div>\n        <div class=\"right__col\">\n            <div class=\"desc\">\n                <p>We curated and consolidated 40+ quantum mechanics (QM) datasets, covering 1.5 billion geometries across 70 atom species and 250+ QM methods, into a single, accessible hub called\u00a0<a href=\"https:\/\/www.openqdc.io\/\">OpenQDC<\/a>. It\u2019s open-source and the datasets are available for access through the\u00a0<a href=\"https:\/\/docs.openqdc.io\/stable\/tutorials\/usage.html\">OpenQDC Python library<\/a>. Install it via pip (pip install OpenQDC) to start downloading and using various QM datasets in just a single line of code.\u2028\u2028<\/p>\n<p>Github page:\u00a0<a href=\"https:\/\/github.com\/valence-labs\/openQDC\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/valence-labs\/openQDC<\/a>\u2028\u2028<\/p>\n<p>Website:\u00a0<a href=\"https:\/\/www.openqdc.io\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.openqdc.io\/<\/a><\/p>            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"238\" src=\"https:\/\/valancelabs.digitalhero.uk.com\/wp-content\/uploads\/2025\/04\/Frame-2087325914.png\" alt=\"\" class=\"wp-image-80\" srcset=\"https:\/\/valancelabs.digitalhero.uk.com\/wp-content\/uploads\/2025\/04\/Frame-2087325914.png 920w, https:\/\/valancelabs.digitalhero.uk.com\/wp-content\/uploads\/2025\/04\/Frame-2087325914-300x78.png 300w, https:\/\/valancelabs.digitalhero.uk.com\/wp-content\/uploads\/2025\/04\/Frame-2087325914-768x199.png 768w, https:\/\/valancelabs.digitalhero.uk.com\/wp-content\/uploads\/2025\/04\/Frame-2087325914-18x5.png 18w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"fifty_fifty\">\n    <div class=\"container\">\n        <div class=\"left__col\">\n            <h2>Challenges with <span>QM Datasets<\/span><\/h2>\n                    <\/div>\n        <div class=\"right__col\">\n            <div class=\"desc\">\n                <p>Developing robust MLIPs requires vast amounts of QM data. Unfortunately, there is a lack of standardized, plug-and-play datasets that can be used to train and test new ML algorithms, hindering the prototyping of new research in this field.\u2028\u2028<\/p>\n<p>Existing QM datasets span various methods and different chemical spaces. They\u2019re also scattered across several repositories (ex. QCArchive, ColabFit, NablaDFT, GEOM) with missing metadata (e.g. level of theory and units), adding an extra layer of complexity to working these datasets. This not only hampers the adoption and utility of the data, but also stifles opportunities for collaboration among physicists, chemists, ML experts, and experts in other fields, limiting the progress of ML research<\/p>            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div class=\"wp-block-group blurred_container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"title__desc\">\n    <div class=\"container\">\n        <h2>Introducing <span>OpenQDC<\/span><\/h2>\n                    <div class=\"desc\">\n                <p>With OpenQDC, we aim to unify and standardize existing, well-known datasets to advance the future of MLIP research. We collected publicly-available datasets and computed essential metadata that was missing but necessary for accurate data processing (e.g. energy, distance, force units, and isolated atom energies).<\/p>            <\/div>\n            <\/div>\n<\/div>\n\n\n<figure class=\"wp-block-video\"><video height=\"676\" style=\"aspect-ratio: 1280 \/ 676;\" width=\"1280\" autoplay loop muted src=\"https:\/\/valancelabs.digitalhero.uk.com\/wp-content\/uploads\/2025\/04\/649f91f882c085941222eb58_673f9808e0c96f6d14c7acbe_OpenQDC-Video-1-transcode.mp4\" playsinline><\/video><\/figure>\n\n\n\n<p>The QM methods and physical units are rigorously annotated, validated, and used to provide useful statistics and normalization methods and conversions, providing efficient ways to utilize multiple datasets in new and previously impossible ways to further advance the frontier of MLIP research.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Dataset<\/th><th># conf.<\/th><th># E<\/th><th># F<\/th><th># Atom type<\/th><th>Atom Min\/Max<\/th><th>Dataset<\/th><th># conf.<\/th><th># E<\/th><th># F<\/th><th># Atom type<\/th><th>Atom Min\/Max<\/th><\/tr><\/thead><tbody><tr><td>ANI-1<\/td><td>22,057,374<\/td><td>1<\/td><td>0<\/td><td>4<\/td><td>2\/26<\/td><td>ANI-1x<\/td><td>4,956,005<\/td><td>8<\/td><td>2<\/td><td>4<\/td><td>2\/63<\/td><\/tr><tr><td>ANI-1ccx<\/td><td>489,571<\/td><td>4<\/td><td>0<\/td><td>4<\/td><td>2\/63<\/td><td>ANI-2x<\/td><td>9,651,712<\/td><td>1<\/td><td>1<\/td><td>4<\/td><td>22\/63<\/td><\/tr><tr><td>COMP6<\/td><td>101,352<\/td><td>1<\/td><td>0<\/td><td>4<\/td><td>6\/312<\/td><td>GDML<\/td><td>3,875,468<\/td><td>3<\/td><td>3<\/td><td>4<\/td><td>9\/24<\/td><\/tr><tr><td>GEOM<\/td><td>33,078,483<\/td><td>1<\/td><td>1<\/td><td>6<\/td><td>3\/181<\/td><td>ISO17<\/td><td>640,982<\/td><td>1<\/td><td>0<\/td><td>5<\/td><td>1\/19<\/td><\/tr><tr><td>MD22<\/td><td>223,442<\/td><td>1<\/td><td>1<\/td><td>4<\/td><td>42\/370<\/td><td>Molecule3D<\/td><td>3,899,647<\/td><td>1<\/td><td>0<\/td><td>8<\/td><td>1\/137<\/td><\/tr><tr><td>MultixQM9<\/td><td>133,631<\/td><td>229<\/td><td>0<\/td><td>5<\/td><td>3\/29<\/td><td>NablaDFT<\/td><td>1,275,340<\/td><td>1<\/td><td>1<\/td><td>8<\/td><td>8\/57<\/td><\/tr><tr><td>OrbNet D.<\/td><td>2,338,889<\/td><td>2<\/td><td>0<\/td><td>17<\/td><td>2\/74<\/td><td>Pub. PM6<\/td><td>189,890,155<\/td><td>1<\/td><td>0<\/td><td>70<\/td><td>1\/215<\/td><\/tr><tr><td>Pub. B3lyp<\/td><td>85,915,773<\/td><td>1<\/td><td>0<\/td><td>70<\/td><td>1\/215<\/td><td>QM7<\/td><td>7165<\/td><td>1<\/td><td>0<\/td><td>5<\/td><td>2\/23<\/td><\/tr><tr><td>QM7-X<\/td><td>4,195,192<\/td><td>2<\/td><td>1<\/td><td>6<\/td><td>4\/23<\/td><td>QM8<\/td><td>21,786<\/td><td>2<\/td><td>0<\/td><td>5<\/td><td>3\/8<\/td><\/tr><tr><td>QM9<\/td><td>133,885<\/td><td>1<\/td><td>0<\/td><td>5<\/td><td>3\/9<\/td><td>Qmugs<\/td><td>1,992,984<\/td><td>2<\/td><td>0<\/td><td>10<\/td><td>4\/228<\/td><\/tr><tr><td>RevMD17<\/td><td>999,988<\/td><td>1<\/td><td>1<\/td><td>4<\/td><td>9\/24<\/td><td>SN2 React.<\/td><td>452,709<\/td><td>1<\/td><td>0<\/td><td>6<\/td><td>2\/6<\/td><\/tr><tr><td>Sol. Prot.<\/td><td>2,731,180<\/td><td>1<\/td><td>1<\/td><td>5<\/td><td>2\/120<\/td><td>Spice<\/td><td>1,110,165<\/td><td>1<\/td><td>1<\/td><td>15<\/td><td>2\/110<\/td><\/tr><tr><td>SpiceV2<\/td><td>2,008,628<\/td><td>1<\/td><td>1<\/td><td>17<\/td><td>2\/110<\/td><td>tmQM<\/td><td>86,665<\/td><td>1<\/td><td>0<\/td><td>44<\/td><td>5\/569<\/td><\/tr><tr><td>Transition1x<\/td><td>9,654,813<\/td><td>1<\/td><td>1<\/td><td>4<\/td><td>4\/23<\/td><td>WaterClusters<\/td><td>4,464,740<\/td><td>1<\/td><td>2<\/td><td>2<\/td><td>9\/90<\/td><\/tr><tr><td>Alchemy<\/td><td>202,579<\/td><td>1<\/td><td>0<\/td><td>4<\/td><td>11\/38<\/td><td>ANICCXv2<\/td><td>489,457<\/td><td>6<\/td><td>0<\/td><td>4<\/td><td>2\/55<\/td><\/tr><tr><td>BPA<\/td><td>13,993<\/td><td>1<\/td><td>1<\/td><td>4<\/td><td>27\/27<\/td><td>MACEOFF<\/td><td>1,001,200<\/td><td>1<\/td><td>1<\/td><td>10<\/td><td>3\/150<\/td><\/tr><tr><td>QM7xv2<\/td><td>4,195,192<\/td><td>3<\/td><td>1<\/td><td>6<\/td><td>4\/23<\/td><td>QMugsv2<\/td><td>1,992,941<\/td><td>3<\/td><td>0<\/td><td>10<\/td><td>4\/228<\/td><\/tr><tr><td>QM7b<\/td><td>7211<\/td><td>76<\/td><td>0<\/td><td>6<\/td><td>4\/60<\/td><td>SpiceLv2<\/td><td>2,004,893<\/td><td>3<\/td><td>1<\/td><td>17<\/td><td>2\/110<\/td><\/tr><tr><td>SCANWater<\/td><td>322<\/td><td>19<\/td><td>0<\/td><td>8<\/td><td>1\/23<\/td><td>VQMd24<\/td><td>1,104,982<\/td><td>1<\/td><td>0<\/td><td>5<\/td><td>1\/21<\/td><\/tr><tr><td>PtrFrags<\/td><td>2,731,986<\/td><td>1<\/td><td>0<\/td><td>5<\/td><td>2\/120<\/td><td>MDDataset<\/td><td>11,819<\/td><td>1<\/td><td>0<\/td><td>5<\/td><td>162\/321<\/td><\/tr><tr><td>QM1B<\/td><td>1,000,000,000<\/td><td>1<\/td><td>0<\/td><td>5<\/td><td>9\/11<\/td><td>DESSM<\/td><td>4,955,938<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><strong>Potential Total<\/strong><\/td><td>1,400,126,279<\/td><td>395<\/td><td>16<\/td><td>70<\/td><td>1\/370<\/td><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>DES370K<\/td><td>370,959<\/td><td>14<\/td><td>0<\/td><td>2<\/td><td>2\/44<\/td><td>DESSM<\/td><td>4,955,938<\/td><td>17<\/td><td>0<\/td><td>14<\/td><td>2\/34<\/td><\/tr><tr><td>DESS86<\/td><td>66<\/td><td>17<\/td><td>0<\/td><td>4<\/td><td>6\/34<\/td><td>DESS86x8<\/td><td>528<\/td><td>17<\/td><td>0<\/td><td>4<\/td><td>6\/34<\/td><\/tr><tr><td>Metcalf<\/td><td>13,415<\/td><td>5<\/td><td>0<\/td><td>4<\/td><td>12\/41<\/td><td>X40<\/td><td>40<\/td><td>5<\/td><td>0<\/td><td>9<\/td><td>7\/25<\/td><\/tr><tr><td>L7<\/td><td>7<\/td><td>8<\/td><td>0<\/td><td>4<\/td><td>48\/112<\/td><td>Splinter<\/td><td>1,677,830<\/td><td>20<\/td><td>0<\/td><td>10<\/td><td>2\/51<\/td><\/tr><tr><td><strong>Interaction Total<\/strong><\/td><td>7,018,783<\/td><td>0<\/td><td>20<\/td><td>2<\/td><td>2\/112<\/td><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"fifty_fifty\">\n    <div class=\"container\">\n        <div class=\"left__col\">\n            <h2>The Open QDC <span>Library<\/span><\/h2>\n                    <\/div>\n        <div class=\"right__col\">\n            <div class=\"desc\">\n                <p>The OpenQDC Python library makes it easy to work with all of the quantum datasets in the hub. It\u2019s a package that aims to provide a simple and efficient way to download, load, and utilize various datasets. You can download datasets with just one line of code.\u2028<\/p>\n<ul>\n<li>A simple pythonic API: The simplicity of the Python interface ensures ease of use, making it perfect for quick prototyping.<\/li>\n<li>ML-Ready: All you manipulate are torch.Tensor, jax.Array or numpy.Array objects.<\/li>\n<li>Quantum ready: The quantum methods used by the datasets are checked and standardized to provide additional values, useful normalization, and different statistics.<\/li>\n<li>Standardized: The datasets are written in standard and performant formats with annotated metadata like units and labels<\/li>\n<li>Performance matters: Read and write multiple formats (memmap, zarr, xyz, etc).<\/li>\n<li>Data: Have access to 1.5+ billion data points.<\/li>\n<li>Open source &amp; extensible: OpenQDC and all its files and datasets are open source, and you can add your own dataset and share it with the community in just a few minutes.<\/li>\n<\/ul>            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div class=\"title__desc\">\n    <div class=\"container\">\n        <h2>Getting <span>Started<\/span><\/h2>\n            <\/div>\n<\/div>\n\n  \n\n<div class=\"custom__code__block\">\n    <div class=\"container\">\n        <p>Install OpenQDC with pip or conda:<\/p>\n                    <div class=\"code\">\n                <div class=\"code_container\">\n                    <p>Python<\/p>\n<p>pip install openqdc<br \/>\nor<br \/>\nconda install openqdc -c conda-forge<\/p>                <\/div>\n            <\/div>\n            <\/div>\n<\/div>\n\n  \n\n<div class=\"custom__code__block\">\n    <div class=\"container\">\n        <p>Now you are ready to use all our QM datasets with the ready-to-use CLI:<\/p>\n                    <div class=\"code\">\n                <div class=\"code_container\">\n                    <p>Unset<\/p>\n<p>openqdc download SpiceV2<\/p>                <\/div>\n            <\/div>\n            <\/div>\n<\/div>\n\n  \n\n<div class=\"custom__code__block\">\n    <div class=\"container\">\n        <p>Or using the Python API:<\/p>\n                    <div class=\"code\">\n                <div class=\"code_container\">\n                    <p>Python<\/p>\n<p>from openqdc import SpiceV2\n<br \/><br \/>\n<lightblue># Automatically download the data<\/lightblue><br \/>\ndataset=SpiceV2()<\/p>                <\/div>\n            <\/div>\n            <\/div>\n<\/div>\n\n  \n\n<div class=\"custom__code__block\">\n    <div class=\"container\">\n        <p>Below is a glimpse of how easy it is to use OpenQDC and how it interfaces with torch and torch_geometric:<\/p>\n                    <div class=\"code\">\n                <div class=\"code_container\">\n                    Python<br><br>\n\n<lightblue># Load the dataset<\/lightblue><br>\n<grey>from<\/grey> openqdc <grey>import<\/grey> MACEOFF<br>\n<grey>from<\/grey> torch.data.utils <grey>import<\/grey> DataLoader<br><br>\n\n<p>dataset=MACEOFF(energy_unit=<pink>&#8220;ang&#8221;<\/pink>,energy_unit=<pink>&#8220;kj\/mol&#8221;<\/pink>,array_format=&#8221;torch&#8221;)<\/p>\n\n<lightblue># Create the dataloader by simply passing the dataset<\/lightblue><br>\ndataloader=DataLoader(dataset, batch_size=32)<br><br>\n\n<lightblue># Do your own magic<\/lightblue><br>\n. . .                <\/div>\n            <\/div>\n            <\/div>\n<\/div>\n\n  \n\n<div class=\"custom__code__block\">\n    <div class=\"container\">\n        <p>OpenQDC being framework agnostic can be easily used with torch_geometric, in this case, we can use the function radius_graph from torch_cluster to create a graph:<\/p>\n                    <div class=\"code\">\n                <div class=\"code_container\">\n                    Python<br><br>\n<grey>from<\/grey> openqdc <grey>import<\/grey> SpiceV2<br>\n<grey>from<\/grey> torch_cluster <grey>import<\/grey> radius_graph<br>\n<grey>from<\/grey> torch_geometric.loader <grey>import<\/grey> DataLoader<br>\n<grey>from<\/grey> torch_geometric.data <grey>import<\/grey> Data<br>\n<br>\n<lightblue># We create a function to convert object into their graph<\/lightblue><br>\ndef <blue>to_pyg_data<\/blue>(x):\n<br><br>\n<lightblue>    # or any other techniques to build a graph (or use the smiles from the dataset)<\/lightblue><br>\n    edge_index = radius_graph(x.positions, 5)<br>\n    return Data(edge_index=edge_index, **x)<br>\n\n<br><br>\n\n<lightblue># Use the transform attribute to automatically convert your items<\/lightblue><br>\nds=SpiceV2(array_format=&#8221;torch&#8221;, distance_unit=&#8221;ang&#8221;, transform=to_pyg_data)\n<br><br>\n<lightblue># Create the pyg dataloader by simply passing the new dataset<\/lightblue><br>\nloader = DataLoader(ds, batch_size=32, shuffle=True)\n\n<br><br>\n<lightblue># Do your own magic<\/lightblue><br>\n. . .                <\/div>\n            <\/div>\n            <\/div>\n<\/div>\n\n\n<p>We hope OpenQDC can be a great resource for the community to advance MLIP research towards a future of training universal potentials with greater generalizability and robustness.<br><br>Please feel free to share your feedback or connect with the Valence Labs team on&nbsp;<a href=\"https:\/\/github.com\/valence-labs\/OpenQDC\" data-type=\"link\" data-id=\"https:\/\/github.com\/valence-labs\/OpenQDC\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub<\/a>,&nbsp;<a href=\"https:\/\/x.com\/valence_ai\" data-type=\"link\" data-id=\"https:\/\/x.com\/valence_ai\" target=\"_blank\" rel=\"noreferrer noopener\">X<\/a>,&nbsp;<a href=\"https:\/\/www.linkedin.com\/company\/valence-discovery\/\" data-type=\"link\" data-id=\"https:\/\/www.linkedin.com\/company\/valence-discovery\/\" target=\"_blank\" rel=\"noreferrer noopener\">LinkedIn<\/a>, or&nbsp;<a href=\"https:\/\/portal.valencelabs.com\/\" data-type=\"link\" data-id=\"https:\/\/portal.valencelabs.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Valence Portal<\/a>!<\/p>\n\n\n<div class=\"blog_cta\">\n    <div class=\"container\">\n        <div class=\"bg\">\n            <img decoding=\"async\" src=\"https:\/\/valancelabs.digitalhero.uk.com\/wp-content\/themes\/valancelabs\/src\/images\/blog_cta_bg.png\" alt=\"Backgroung image\">\n        <\/div>\n\n        <div class=\"content\">\n            <h2>Want to <span>learn more<\/span> about OpenQDC?<\/h2>\n                            <div class=\"desc\">\n                    Get in touch with our experts today!                <\/div>\n                                        <a href=\"#\" class=\"read_more\">\n                    Contact Us                    <svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <path d=\"M5 12H19M19 12L13 6M19 12L13 18\" stroke=\"white\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                    <\/svg>\n                <\/a>\n                    <\/div>\n        \n    <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>We curated and consolidated 40+ quantum mechanics (QM) datasets, covering 1.5 billion geometries across 70 atom species and 250+ QM methods, into a single, acc&#8230;<\/p>","protected":false},"author":1,"featured_media":73,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3],"class_list":["post-1","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Introducing OpenQDC - The Open-Source Hub of ML-Ready Quantum Datasets - Valance Labs<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" 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