Symmetry-mode decomposition of SrNdFeRuO6 at 300 K

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              [
                0.0006000000000000001
              ],
              [
                0.0
              ],
              [
                0.02
              ]
            ],
            "atlas": {
              "uncertainty_reported": [
                true,
                true,
                false,
                true
              ],
              "reported_as": [
                "-0.0837(5)",
                "0.5089(6)",
                "0.25",
                "0.67(2)"
              ]
            }
          },
          {
            "id": "str:srndferuo6.pbnm.300k.iturbe2012#atom:O2",
            "name": "Atom O2 (O, Wyckoff 8d)",
            "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": [
              [
                0.7229
              ],
              [
                0.279
              ],
              [
                0.5298
              ],
              [
                0.67
              ]
            ],
            "standard_uncertainties": [
              [
                0.0004
              ],
              [
                0.0004
              ],
              [
                0.00030000000000000003
              ],
              [
                0.02
              ]
            ],
            "atlas": {
              "uncertainty_reported": [
                true,
                true,
                true,
                true
              ],
              "reported_as": [
                "0.7229(4)",
                "0.2790(4)",
                "0.5298(3)",
                "0.67(2)"
              ]
            }
          },
          {
            "id": "str:srndferuo6.pbnm.300k.iturbe2012#reliability",
            "name": "Rietveld reliability factors",
            "description": "As reported; no uncertainties",
            "quantities": [
              "r_p",
              "r_wp",
              "r_exp",
              "r_bragg"
            ],
            "symbols": [
              "$R_p$",
              "$R_{wp}$",
              "$R_{exp}$",
              "$R_{Bragg}$"
            ],
            "units": [
              "%",
              "%",
              "%",
              "%"
            ],
            "values": [
              [
                4.7
              ],
              [
                6.31
              ],
              [
                2.29
              ],
              [
                7.49
              ]
            ],
            "standard_uncertainties": [
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.0
              ],
              [
                0.0
              ]
            ],
            "atlas": {
              "uncertainty_reported": [
                false,
                false,
                false,
                false
              ],
              "reported_as": [
                "4.7",
                "6.31",
                "2.29",
                "7.49"
              ]
            }
          }
        ],
        "measurands": [
          "unit cell",
          "atomic coordinates",
          "displacement parameters"
        ],
        "source": {
          "id": "ref:srndferuo6.pbnm.300k.iturbe2012.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:srndferuo6.pbnm.300k.iturbe2012#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:srndferuo6.iturbe2012.npd.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": "NPD pattern of mat:srndferuo6 at 300 K on SPODI neutron powder diffractometer (FRM II, Garching)",
              "correct": true,
              "state": [],
              "results": [],
              "measurands": [
                "diffraction pattern"
              ],
              "source": {
                "id": "ins:frm2-spodi",
                "name": "SPODI neutron powder diffractometer",
                "description": "",
                "model": "powder diffraction",
                "influence_quantities": [],
                "input_quantities": []
              },
              "atlas": {
                "record_id": "dat:srndferuo6.iturbe2012.npd.rt",
                "status": "published",
                "evidence": [
                  {
                    "doc": "doc:thesis-03",
                    "md_line": 1794,
                    "table": "9.1",
                    "status": "thesis-only",
                    "cell": {
                      "col": "SrNdFeRuO6"
                    }
                  }
                ],
                "atlas_schema_version": "0.1",
                "note": "raw pattern not yet attached; results are empty by design until data rescue"
              }
            }
          ]
        },
        "atlas": {
          "record_id": "str:srndferuo6.pbnm.300k.iturbe2012",
          "status": "published",
          "evidence": [
            {
              "doc": "doc:thesis-03",
              "md_line": 1794,
              "table": "9.1",
              "status": "thesis-only",
              "cell": {
                "col": "SrNdFeRuO6"
              }
            }
          ],
          "atlas_schema_version": "0.1",
          "refinement": {
            "record_id": "ref:srndferuo6.pbnm.300k.iturbe2012.all-modes",
            "status": "published",
            "evidence": [
              {
                "doc": "doc:thesis-03",
                "md_line": 1794,
                "table": "9.1",
                "status": "thesis-only",
                "cell": {
                  "col": "SrNdFeRuO6"
                }
              }
            ],
            "atlas_schema_version": "0.1"
          }
        }
      }
    ]
  },
  "atlas": {
    "record_id": "mod:srndferuo6.pbnm.300k.iturbe2012",
    "status": "published",
    "evidence": [
      {
        "doc": "doc:thesis-03",
        "md_line": 1870,
        "table": "9.4",
        "status": "thesis-only",
        "cell": {
          "col": "NdFe (a)"
        }
      }
    ],
    "atlas_schema_version": "0.1",
    "irreps": [
      {
        "label": "R4+",
        "k_vector": "(1/2,1/2,1/2)",
        "dimension": 1,
        "isotropy_subgroup": "Imma",
        "amplitude": "1.133(4)",
        "primary": true,
        "physical": "antiphase octahedral tilt"
      },
      {
        "label": "R5+",
        "k_vector": "(1/2,1/2,1/2)",
        "dimension": 2,
        "isotropy_subgroup": "Imma",
        "amplitude": "0.193(7)",
        "physical": "octahedral deformation"
      },
      {
        "label": "X5+",
        "k_vector": "(0,1/2,0)",
        "dimension": 2,
        "isotropy_subgroup": "Стст",
        "amplitude": "0.344(4)",
        "physical": "A-site antipolar displacement"
      },
      {
        "label": "M2+",
        "k_vector": "(1/2,1/2,0)",
        "dimension": 1,
        "isotropy_subgroup": "P4/mbm",
        "amplitude": "0.021(9)",
        "physical": "octahedral deformation"
      },
      {
        "label": "M3+",
        "k_vector": "(1/2,1/2,0)",
        "dimension": 1,
        "isotropy_subgroup": "P4/mbm",
        "amplitude": "0.627(5)",
        "primary": true,
        "physical": "in-phase octahedral tilt"
      }
    ]
  }
}

id mod:srndferuo6.pbnm.300k.iturbe2012 · 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 Pm-3m; convention amplimodes-cell; primary: R4+, M3+

quantity	symbol	value	u (standard)	unit
R4+	A(R4+)	1.133	0.004	Å
R5+	A(R5+)	0.193	0.007	Å
X5+	A(X5+)	0.344	0.004	Å
M2+	A(M2+)	0.021	0.009	Å
M3+	A(M3+)	0.627	0.005	Å

Source

Symmetry-mode decomposition (AMPLIMODES) · model: Projection of the refined structure onto symmetry-adapted modes of the parent Pm-3m; normalization amplimodes-cell

Input quantities

str:srndferuo6.pbnm.300k.iturbe2012 · Refined crystal structure of SrNdFeRuO6 at 300 K, Pbnm · own page

id str:srndferuo6.pbnm.300k.iturbe2012 · 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 Pbnm (No. 62)

quantity	symbol	value	u (standard)	unit
a	a	5.5357	0.0002	Å
b	b	5.5432	0.0002	Å
c	c	7.8257	0.0003	Å
alpha	\alpha	90	0	°	not reported
beta	\beta	90	0	°	not reported
gamma	\gamma	90	0	°	not reported

Cell volume

quantity	symbol	value	u (standard)	unit
V	V	240.13	0.01	Å³

Atom Sr/Ln (Sr, Wyckoff 4c) · Fractional coordinates and isotropic displacement; occupancy 0.5/0.5 (Sr/Ln)

quantity	symbol	value	u (standard)	unit
x	x	0.0023	0.0007
y	y	-0.0294	0.0003
z	z	0.25	0		not reported
B_iso	B_{\mathrm{iso}}	0.24	0.02	Å²

Atom Fe/Ru (Fe, Wyckoff 4a) · Fractional coordinates and isotropic displacement; occupancy 0.5/0.5 (Fe/Ru); B_iso fixed

quantity	symbol	value	unit
x	x	0		not reported
y	y	0.5		not reported
z	z	0		not reported
B_iso	B_{\mathrm{iso}}	0.5	Å²	not reported

Atom O1 (O, Wyckoff 4c) · Fractional coordinates and isotropic displacement; occupancy 1

quantity	symbol	value	u (standard)	unit
x	x	-0.0837	0.0005
y	y	0.5089	0.0006
z	z	0.25	0		not reported
B_iso	B_{\mathrm{iso}}	0.67	0.02	Å²

Atom O2 (O, Wyckoff 8d) · Fractional coordinates and isotropic displacement; occupancy 1

quantity	symbol	value	u (standard)	unit
x	x	0.7229	0.0004
y	y	0.2790	0.0004
z	z	0.5298	0.0003
B_iso	B_{\mathrm{iso}}	0.67	0.02	Å²

Rietveld reliability factors · As reported; no uncertainties

quantity	symbol	value	unit
r_p	R_p	4.7	%	not reported
r_wp	R_{wp}	6.31	%	not reported
r_exp	R_{exp}	2.29	%	not reported
r_bragg	R_{Bragg}	7.49	%	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:srndferuo6.iturbe2012.npd.rt · NPD pattern of mat:srndferuo6 at 300 K on SPODI neutron powder diffractometer (FRM II, Garching)

id dat:srndferuo6.iturbe2012.npd.rt · correct true · measurands diffraction pattern

Results

Empty (no results attached yet).

Source

SPODI neutron powder diffractometer · 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:srndferuo6.pbnm.300k.iturbe2012 · status published

doc doc:thesis-03 · md_line 1870 · table 9.4 · status thesis-only · cell {‘col’: ‘NdFe (a)’}