Symmetry-mode decomposition of Sr2Co0.8Mg0.2TeO6 at 300 K

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              "reported_as": [
                "0.223(4)",
                "0.271(4)",
                "-0.023(4)",
                "1.06"
              ]
            }
          },
          {
            "id": "str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015#atom:O2",
            "name": "Atom O2 (O, Wyckoff 4i)",
            "description": "Fractional coordinates and isotropic displacement; occupancy 1",
            "quantities": [
              "x",
              "y",
              "z",
              "B_iso"
            ],
            "symbols": [
              "$x$",
              "$y$",
              "$z$",
              "$B_{\\mathrm{iso}}$"
            ],
            "units": [
              "1",
              "1",
              "1",
              "Å^2"
            ],
            "values": [
              [
                0.057
              ],
              [
                0.0
              ],
              [
                -0.743
              ],
              [
                1.06
              ]
            ],
            "standard_uncertainties": [
              [
                0.007
              ],
              [
                0.0
              ],
              [
                0.004
              ],
              [
                0.0
              ]
            ],
            "atlas": {
              "uncertainty_reported": [
                true,
                false,
                true,
                false
              ],
              "reported_as": [
                "0.057(7)",
                "0",
                "-0.743(4)",
                "1.06"
              ]
            }
          },
          {
            "id": "str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015#atom:Te",
            "name": "Atom Te (Te, Wyckoff 2a)",
            "description": "Fractional coordinates and isotropic displacement; occupancy 1",
            "quantities": [
              "x",
              "y",
              "z",
              "B_iso"
            ],
            "symbols": [
              "$x$",
              "$y$",
              "$z$",
              "$B_{\\mathrm{iso}}$"
            ],
            "units": [
              "1",
              "1",
              "1",
              "Å^2"
            ],
            "values": [
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.0
              ],
              [
                1.62
              ]
            ],
            "standard_uncertainties": [
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.02
              ]
            ],
            "atlas": {
              "uncertainty_reported": [
                false,
                false,
                false,
                true
              ],
              "reported_as": [
                "0",
                "0",
                "0",
                "1.62(2)"
              ]
            }
          },
          {
            "id": "str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015#atom:Co/Mg",
            "name": "Atom Co/Mg (Co, Wyckoff 2d)",
            "description": "Fractional coordinates and isotropic displacement; occupancy 0.8/0.2 (Co/Mg)",
            "quantities": [
              "x",
              "y",
              "z",
              "B_iso"
            ],
            "symbols": [
              "$x$",
              "$y$",
              "$z$",
              "$B_{\\mathrm{iso}}$"
            ],
            "units": [
              "1",
              "1",
              "1",
              "Å^2"
            ],
            "values": [
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.5
              ],
              [
                1.62
              ]
            ],
            "standard_uncertainties": [
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.02
              ]
            ],
            "atlas": {
              "uncertainty_reported": [
                false,
                false,
                false,
                true
              ],
              "reported_as": [
                "0",
                "0",
                "0.5",
                "1.62(2)"
              ]
            }
          },
          {
            "id": "str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015#reliability",
            "name": "Rietveld reliability factors",
            "description": "As reported; no uncertainties",
            "quantities": [
              "chi2"
            ],
            "symbols": [
              "$\\chi^2$"
            ],
            "units": [
              "1"
            ],
            "values": [
              [
                6.57
              ]
            ],
            "standard_uncertainties": [
              [
                0.0
              ]
            ],
            "atlas": {
              "uncertainty_reported": [
                false
              ],
              "reported_as": [
                "6.57"
              ]
            }
          }
        ],
        "measurands": [
          "unit cell",
          "atomic coordinates",
          "displacement parameters"
        ],
        "source": {
          "id": "ref:sr2co0.8mg0.2teo6.i2m.300k.orayech2015.all-modes",
          "name": "Rietveld refinement (FullProf, symmetry-mode)",
          "description": "",
          "model": "Least-squares Rietveld refinement of the powder pattern; symmetry-mode parametrisation where method = symmetry-mode; variant all-modes",
          "influence_quantities": [
            {
              "id": "str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015#T",
              "name": "Temperature",
              "description": "Temperature of the measurement as reported (uncertainty not reported)",
              "quantities": [
                "Temperature"
              ],
              "symbols": [
                "$T$"
              ],
              "units": [
                "K"
              ],
              "values": [
                [
                  300.0
                ]
              ],
              "standard_uncertainties": [
                [
                  0.0
                ]
              ],
              "atlas": {
                "uncertainty_reported": [
                  false
                ],
                "reported_as": [
                  "300"
                ]
              }
            }
          ],
          "input_quantities": [
            {
              "id": "dat:sr2co0.8mg0.2teo6.orayech2015.xrpd.rt",
              "changelog": [
                {
                  "timestamp": "2026-09-30T05:59:03+00:00",
                  "user": "perovskite-atlas/fer_export.py",
                  "description": "Dataset stub. Generated from atlas records at git 98609f0."
                }
              ],
              "description": "XRPD pattern of mat:sr2co0.8mg0.2teo6 at 300 K on Laboratory X-ray powder diffractometer (Cu Kα) (UPV/EHU)",
              "correct": true,
              "state": [],
              "results": [],
              "measurands": [
                "diffraction pattern"
              ],
              "source": {
                "id": "ins:lab-xrd",
                "name": "Laboratory X-ray powder diffractometer (Cu Kα)",
                "description": "",
                "model": "powder diffraction",
                "influence_quantities": [],
                "input_quantities": []
              },
              "atlas": {
                "record_id": "dat:sr2co0.8mg0.2teo6.orayech2015.xrpd.rt",
                "status": "published",
                "evidence": [
                  {
                    "doc": "doc:thesis-04",
                    "md_line": 2002,
                    "table": "9.3",
                    "status": "thesis-only",
                    "cell": {
                      "col": "Sr2Co0.8Mg0.2TeO6"
                    }
                  }
                ],
                "atlas_schema_version": "0.1",
                "note": "raw pattern not yet attached; results are empty by design until data rescue"
              }
            }
          ]
        },
        "atlas": {
          "record_id": "str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015",
          "status": "published",
          "evidence": [
            {
              "doc": "doc:thesis-04",
              "md_line": 2002,
              "table": "9.3",
              "status": "thesis-only",
              "cell": {
                "col": "Sr2Co0.8Mg0.2TeO6"
              }
            }
          ],
          "atlas_schema_version": "0.1",
          "refinement": {
            "record_id": "ref:sr2co0.8mg0.2teo6.i2m.300k.orayech2015.all-modes",
            "status": "published",
            "evidence": [
              {
                "doc": "doc:thesis-04",
                "md_line": 2002,
                "table": "9.3",
                "status": "thesis-only",
                "cell": {
                  "col": "Sr2Co0.8Mg0.2TeO6"
                }
              }
            ],
            "atlas_schema_version": "0.1"
          }
        }
      }
    ]
  },
  "atlas": {
    "record_id": "mod:sr2co0.8mg0.2teo6.i2m.300k.orayech2015",
    "status": "published",
    "evidence": [
      {
        "doc": "doc:thesis-04",
        "md_line": 1981,
        "table": "9.2",
        "status": "thesis-only",
        "cell": {
          "col": "Sr2Co0.8Mg0.2TeO6"
        }
      },
      {
        "doc": "doc:thesis-04",
        "md_line": 1953,
        "table": "9.1",
        "status": "thesis-only",
        "note": "parent structure and transformation"
      }
    ],
    "atlas_schema_version": "0.1",
    "irreps": [
      {
        "label": "GM1+",
        "k_vector": "(0,0,0)",
        "dimension": 1,
        "isotropy_subgroup": "Fm-3m",
        "amplitude": "0.0622(3)"
      },
      {
        "label": "GM3+",
        "k_vector": "(0,0,0)",
        "dimension": 1,
        "isotropy_subgroup": "I4/mmm",
        "amplitude": "0.0943(1)"
      },
      {
        "label": "GM4+",
        "k_vector": "(0,0,0)",
        "dimension": 1,
        "isotropy_subgroup": "C2/m",
        "amplitude": "0.5741(3)",
        "primary": true,
        "physical": "octahedral rotation about the monoclinic b axis (pseudo-cubic [110])"
      },
      {
        "label": "GM5+",
        "k_vector": "(0,0,0)",
        "dimension": 4,
        "isotropy_subgroup": "C2/m",
        "amplitude": "0.0765(5)"
      }
    ]
  }
}

id mod:sr2co0.8mg0.2teo6.i2m.300k.orayech2015 · correct true · measurands mode amplitudes

Open in the atlas Download fer JSON

State

Temperature · Temperature of the measurement as reported (uncertainty not reported)

quantity	symbol	value	u (standard)	unit
Temperature	T	300	0	K	not reported

Results

Symmetry-mode amplitudes by irrep · Global amplitude per irreducible representation of the parent Fm-3m; convention amplimodes-cell; primary: GM4+

quantity	symbol	value	u (standard)	unit
GM1+	A(GM1+)	0.0622	0.0003	Å
GM3+	A(GM3+)	0.0943	0.0001	Å
GM4+	A(GM4+)	0.5741	0.0003	Å
GM5+	A(GM5+)	0.0765	0.0005	Å

Source

Symmetry-mode decomposition (AMPLIMODES) · model: Projection of the refined structure onto symmetry-adapted modes of the parent Fm-3m; transformation a+b, -a+b, c (Table 9.1; origin shift as given there); normalization amplimodes-cell

Input quantities

str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015 · Refined crystal structure of Sr2Co0.8Mg0.2TeO6 at 300 K, I2/m · own page

id str:sr2co0.8mg0.2teo6.i2m.300k.orayech2015 · correct true · measurands unit cell, atomic coordinates, displacement parameters

State

Temperature · Temperature of the measurement as reported (uncertainty not reported)

quantity	symbol	value	u (standard)	unit
Temperature	T	300	0	K	not reported

Results

Unit cell · Cell parameters, space group I2/m (No. 12)

quantity	symbol	value	u (standard)	unit
a	a	5.6302	0.0004	Å
b	b	5.5986	0.0004	Å
c	c	7.9078	0.0005	Å
alpha	\alpha	90	0	°	not reported
beta	\beta	89.985	0.006	°
gamma	\gamma	90	0	°	not reported

Cell volume

quantity	symbol	value	u (standard)	unit
V	V	249.28	0.03	Å³

Atom Sr (Sr, Wyckoff 4i) · Fractional coordinates and isotropic displacement; occupancy 1

quantity	symbol	value	u (standard)	unit
x	x	0.001	0.003
y	y	0.5	0		not reported
z	z	-0.7533	0.0007
B_iso	B_{\mathrm{iso}}	0.94	0.02	Å²

Atom O1 (O, Wyckoff 8j) · Fractional coordinates and isotropic displacement; occupancy 1

quantity	symbol	value	u (standard)	unit
x	x	0.223	0.004
y	y	0.271	0.004
z	z	-0.023	0.004
B_iso	B_{\mathrm{iso}}	1.06	0	Å²	not reported

Atom O2 (O, Wyckoff 4i) · Fractional coordinates and isotropic displacement; occupancy 1

quantity	symbol	value	u (standard)	unit
x	x	0.057	0.007
y	y	0	0		not reported
z	z	-0.743	0.004
B_iso	B_{\mathrm{iso}}	1.06	0	Å²	not reported

Atom Te (Te, Wyckoff 2a) · Fractional coordinates and isotropic displacement; occupancy 1

quantity	symbol	value	u (standard)	unit
x	x	0	0		not reported
y	y	0	0		not reported
z	z	0	0		not reported
B_iso	B_{\mathrm{iso}}	1.62	0.02	Å²

Atom Co/Mg (Co, Wyckoff 2d) · Fractional coordinates and isotropic displacement; occupancy 0.8/0.2 (Co/Mg)

quantity	symbol	value	u (standard)	unit
x	x	0	0		not reported
y	y	0	0		not reported
z	z	0.5	0		not reported
B_iso	B_{\mathrm{iso}}	1.62	0.02	Å²

Rietveld reliability factors · As reported; no uncertainties

quantity	symbol	value	u (standard)	unit
chi2	\chi^2	6.57	0		not reported

Source

Rietveld refinement (FullProf, symmetry-mode) · model: Least-squares Rietveld refinement of the powder pattern; symmetry-mode parametrisation where method = symmetry-mode; variant all-modes

Influence quantities

Temperature · Temperature of the measurement as reported (uncertainty not reported)

quantity	symbol	value	u (standard)	unit
Temperature	T	300	0	K	not reported

Input quantities

dat:sr2co0.8mg0.2teo6.orayech2015.xrpd.rt · XRPD pattern of mat:sr2co0.8mg0.2teo6 at 300 K on Laboratory X-ray powder diffractometer (Cu Kα) (UPV/EHU)

id dat:sr2co0.8mg0.2teo6.orayech2015.xrpd.rt · correct true · measurands diffraction pattern

Results

Empty (no results attached yet).

Source

Laboratory X-ray powder diffractometer (Cu Kα) · model: powder diffraction

Changelog

timestamp	user	description
2026-09-30T05:59:03+00:00	perovskite-atlas/fer_export.py	Dataset stub. Generated from atlas records at git 98609f0.

Changelog

timestamp	user	description
2026-09-30T05:59:03+00:00	perovskite-atlas/fer_export.py	Refined structure. Generated from atlas records at git 98609f0.

Changelog

timestamp	user	description
2026-09-30T05:59:03+00:00	perovskite-atlas/fer_export.py	Mode decomposition. Generated from atlas records at git 98609f0.

Atlas extension

record mod:sr2co0.8mg0.2teo6.i2m.300k.orayech2015 · status published

doc doc:thesis-04 · md_line 1981 · table 9.2 · status thesis-only · cell {‘col’: ‘Sr2Co0.8Mg0.2TeO6’}
doc doc:thesis-04 · md_line 1953 · table 9.1 · status thesis-only · note parent structure and transformation