{
  "_schema": "https://data.nist.gov/od/dm/nerdm-schema/v0.7#",
  "@context": [
    "https://data.nist.gov/od/dm/nerdm-pub-context.jsonld",
    {
      "@base": "ark:/88434/mds2-2315"
    }
  ],
  "@type": [
    "nrdp:DataPublication",
    "nrdp:PublicDataResource",
    "dcat:Dataset"
  ],
  "_extensionSchemas": [
    "https://data.nist.gov/od/dm/nerdm-schema/pub/v0.7#/definitions/PublicDataResource"
  ],
  "@id": "ark:/88434/mds2-2315",
  "ediid": "ark:/88434/mds2-2315",
  "version": "1.0.1",
  "doi": "doi:10.18434/mds2-2315",
  "title": "Diffraction Data for SRM 660c",
  "contactPoint": {
    "fn": "James Cline",
    "hasEmail": "mailto:james.cline@nist.gov"
  },
  "modified": "2020-10-29 00:00:00",
  "status": "available",
  "landingPage": "https://data.nist.gov/od/id/mds2-2315",
  "description": [
    "The data from this instrument consists of sets of measurements of Xray intensity as a function of diffraction angle.  Almost all of it is collected using scintillator point detector with a graphite analyzer, and is stored in CIF format."
  ],
  "keyword": [
    "Xray Powder Diffraction; Diverging Beam Diffractometer; Powder Diffraction SRM"
  ],
  "theme": [
    "Materials: Materials characterization"
  ],
  "topic": [
    {
      "@type": "Concept",
      "scheme": "https://data.nist.gov/od/dm/nist-themes/v1.1",
      "tag": "Materials: Materials characterization"
    }
  ],
  "references": [
    {
      "@type": [
        "npg:Document"
      ],
      "@id": "#ref:10.1017/S0885715620000068",
      "refType": "IsSupplementTo",
      "location": "https://doi.org/10.1017/S0885715620000068",
      "_extensionSchemas": [
        "https://data.nist.gov/od/dm/nerdm-schema/bib/v0.7#/definitions/DCiteReference"
      ],
      "title": "Certification of Standard Reference Material 660c for powder diffraction",
      "issued": "2020-01-31",
      "citation": "Black, D. R., Mendenhall, M. H., Brown, C. M., Henins, A., Filliben, J., & Cline, J. P. (2020). Certification of Standard Reference Material 660c for powder diffraction. Powder Diffraction, 35(1), 17\u00e2\u0080\u009322. https://doi.org/10.1017/s0885715620000068\n"
    }
  ],
  "accessLevel": "public",
  "license": "https://www.nist.gov/open/license",
  "components": [
    {
      "@id": "cmps/srm_660c_cifs_20201029_081700.zip",
      "@type": [
        "nrdp:DataFile",
        "nrdp:DownloadableFile",
        "dcat:Distribution"
      ],
      "_extensionSchemas": [
        "https://data.nist.gov/od/dm/nerdm-schema/pub/v0.7#/definitions/DataFile"
      ],
      "filepath": "srm_660c_cifs_20201029_081700.zip",
      "downloadURL": "https://data.nist.gov/od/ds/mds2-2315/srm_660c_cifs_20201029_081700.zip",
      "mediaType": "application/zip",
      "format": {
        "description": "zip file of IUCr Crystallographic Information File (CIF) datasets"
      },
      "description": "These CIFs have the original data used to certify SRM660c, along with fits to the data indicative of how we processed it.  The fits are not the fits actually used in certification, since the models have been updated since then, but give essentially the same results.",
      "title": "zip archive of CIF datasets from the SRM 660c certification",
      "size": 1719632,
      "checksum": {
        "hash": "92034d06498161db365420831fe35d91ec18bad4ed17385329a1761658da2c42",
        "algorithm": {
          "tag": "sha256",
          "@type": "Thing"
        }
      }
    },
    {
      "@id": "cmps/srm_660c_cifs_20201029_081700.zip.sha256",
      "@type": [
        "nrdp:ChecksumFile",
        "nrdp:DownloadableFile",
        "dcat:Distribution"
      ],
      "filepath": "srm_660c_cifs_20201029_081700.zip.sha256",
      "downloadURL": "https://data.nist.gov/od/ds/mds2-2315/srm_660c_cifs_20201029_081700.zip.sha256",
      "algorithm": {
        "tag": "sha256",
        "@type": "Thing"
      },
      "describes": "cmps/srm_660c_cifs_20201029_081700.zip",
      "description": "SHA-256 checksum value for srm_660c_cifs_20201029_081700.zip",
      "_extensionSchemas": [
        "https://data.nist.gov/od/dm/nerdm-schema/pub/v0.7#/definitions/ChecksumFile"
      ],
      "mediaType": "text/plain",
      "title": "SHA256 File for zip archive of CIF datasets from the SRM 660c certification",
      "size": 64,
      "checksum": {
        "hash": "e396d26aaf3f4fb0ed34d7173e210790528c9768bd4c13ea8690db6391e7a76c",
        "algorithm": {
          "tag": "sha256",
          "@type": "Thing"
        }
      },
      "valid": true
    }
  ],
  "publisher": {
    "name": "National Institute of Standards and Technology",
    "@type": "org:Organization"
  },
  "language": [
    "en"
  ],
  "bureauCode": [
    "006:55"
  ],
  "programCode": [
    "006:052"
  ],
  "_editStatus": "done",
  "authors": [
    {
      "familyName": "Black",
      "fn": "David   Black",
      "givenName": "David ",
      "middleName": "",
      "affiliation": [
        {
          "title": "National Institute of Standards and Technology",
          "@type": "org:Organization",
          "@id": "ror:05xpvk416"
        }
      ],
      "orcid": "0000-0003-3509-1275",
      "@type": "foaf:Person"
    },
    {
      "familyName": "Cline",
      "fn": "James   Cline",
      "givenName": "James ",
      "middleName": "",
      "affiliation": [
        {
          "title": "National Institute of Standards and Technology",
          "@type": "org:Organization",
          "@id": "ror:05xpvk416"
        }
      ],
      "orcid": "0000-0003-0901-2473",
      "@type": "foaf:Person"
    },
    {
      "familyName": "Mendenhall",
      "fn": "Marcus  Mendenhall",
      "givenName": "Marcus",
      "middleName": "",
      "affiliation": [
        {
          "title": "National Institute of Standards and Technology",
          "@type": "org:Organization",
          "@id": "ror:05xpvk416"
        }
      ],
      "orcid": "0000-0001-6236-8212",
      "@type": "foaf:Person"
    }
  ],
  "annotated": "2025-07-21T17:14:47.128416",
  "revised": "2022-03-16T21:38:55.670579",
  "issued": null,
  "firstIssued": "2022-03-16T21:38:55.670579",
  "releaseHistory": {
    "@id": "ark:/88434/mds2-2315.rel",
    "@type": [
      "nrdr:ReleaseHistory"
    ],
    "hasRelease": [
      {
        "version": "1.0.0",
        "issued": "2020-10-29",
        "@id": "ark:/88434/mds2-2315/pdr:v/1.0.0",
        "location": "https://data.nist.gov/od/id/ark:/88434/mds2-2315/pdr:v/1.0.0",
        "description": "initial release"
      },
      {
        "version": "1.0.1",
        "issued": "2020-10-29 00:00:00",
        "@id": "ark:/88434/mds2-2315/pdr:v/1.0.1",
        "location": "https://data.nist.gov/od/id/ark:/88434/mds2-2315/pdr:v/1.0.1",
        "description": "metadata update"
      }
    ]
  }
}