{
"id": "mod:srprferuo6.pbnm.300k.iturbe2012",
"changelog": [
{
"timestamp": "2026-09-30T05:59:03+00:00",
"user": "perovskite-atlas/fer_export.py",
"description": "Mode decomposition. Generated from atlas records at git 98609f0."
}
],
"description": "Symmetry-mode decomposition of SrPrFeRuO6 at 300 K",
"correct": true,
"state": [
{
"name": "temperature",
"description": "conditions of the refined structure",
"quantity_value": {
"id": "str:srprferuo6.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"
]
}
}
}
],
"results": [
{
"id": "mod:srprferuo6.pbnm.300k.iturbe2012#amplitudes",
"name": "Symmetry-mode amplitudes by irrep",
"description": "Global amplitude per irreducible representation of the parent Pm-3m; convention amplimodes-cell; primary: R4+, M3+",
"quantities": [
"R4+",
"R5+",
"X5+",
"M2+",
"M3+"
],
"symbols": [
"$A(R4+)$",
"$A(R5+)$",
"$A(X5+)$",
"$A(M2+)$",
"$A(M3+)$"
],
"units": [
"Å",
"Å",
"Å",
"Å",
"Å"
],
"values": [
[
1.085
],
[
0.165
],
[
0.294
],
[
0.01
],
[
0.627
]
],
"standard_uncertainties": [
[
0.004
],
[
0.007
],
[
0.006
],
[
0.01
],
[
0.004
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
true,
true
],
"reported_as": [
"1.085(4)",
"0.165(7)",
"0.294(6)",
"0.01(1)",
"0.627(4)"
]
}
}
],
"measurands": [
"mode amplitudes"
],
"source": {
"id": "mod:srprferuo6.pbnm.300k.iturbe2012#decomposition",
"name": "Symmetry-mode decomposition (AMPLIMODES)",
"description": "",
"model": "Projection of the refined structure onto symmetry-adapted modes of the parent Pm-3m; normalization amplimodes-cell",
"influence_quantities": [],
"input_quantities": [
{
"id": "str:srprferuo6.pbnm.300k.iturbe2012",
"changelog": [
{
"timestamp": "2026-09-30T05:59:03+00:00",
"user": "perovskite-atlas/fer_export.py",
"description": "Refined structure. Generated from atlas records at git 98609f0."
}
],
"description": "Refined crystal structure of SrPrFeRuO6 at 300 K, Pbnm",
"correct": true,
"state": [
{
"name": "temperature",
"description": "conditions of the refined structure",
"quantity_value": {
"id": "str:srprferuo6.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"
]
}
}
}
],
"results": [
{
"id": "str:srprferuo6.pbnm.300k.iturbe2012#cell",
"name": "Unit cell",
"description": "Cell parameters, space group Pbnm (No. 62)",
"quantities": [
"a",
"b",
"c",
"alpha",
"beta",
"gamma"
],
"symbols": [
"$a$",
"$b$",
"$c$",
"$\\alpha$",
"$\\beta$",
"$\\gamma$"
],
"units": [
"Å",
"Å",
"Å",
"°",
"°",
"°"
],
"values": [
[
5.5477
],
[
5.5463
],
[
7.839
],
[
90.0
],
[
90.0
],
[
90.0
]
],
"standard_uncertainties": [
[
0.0002
],
[
0.0002
],
[
0.0002
],
[
0.0
],
[
0.0
],
[
0.0
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
false,
false,
false
],
"reported_as": [
"5.5477(2)",
"5.5463(2)",
"7.8390(2)",
"90",
"90",
"90"
]
}
},
{
"id": "str:srprferuo6.pbnm.300k.iturbe2012#volume",
"name": "Cell volume",
"description": "",
"quantities": [
"V"
],
"symbols": [
"$V$"
],
"units": [
"Å^3"
],
"values": [
[
241.2
]
],
"standard_uncertainties": [
[
0.02
]
],
"atlas": {
"uncertainty_reported": [
true
],
"reported_as": [
"241.20(2)"
]
}
},
{
"id": "str:srprferuo6.pbnm.300k.iturbe2012#atom:Sr/Ln",
"name": "Atom Sr/Ln (Sr, Wyckoff 4c)",
"description": "Fractional coordinates and isotropic displacement; occupancy 0.5/0.5 (Sr/Ln)",
"quantities": [
"x",
"y",
"z",
"B_iso"
],
"symbols": [
"$x$",
"$y$",
"$z$",
"$B_{\\mathrm{iso}}$"
],
"units": [
"1",
"1",
"1",
"Å^2"
],
"values": [
[
0.001
],
[
-0.0245
],
[
0.25
],
[
0.56
]
],
"standard_uncertainties": [
[
0.001
],
[
0.0005
],
[
0.0
],
[
0.03
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
false,
true
],
"reported_as": [
"0.001(1)",
"-0.0245(5)",
"0.25",
"0.56(3)"
]
}
},
{
"id": "str:srprferuo6.pbnm.300k.iturbe2012#atom:Fe/Ru",
"name": "Atom Fe/Ru (Fe, Wyckoff 4a)",
"description": "Fractional coordinates and isotropic displacement; occupancy 0.5/0.5 (Fe/Ru); B_iso fixed",
"quantities": [
"x",
"y",
"z",
"B_iso"
],
"symbols": [
"$x$",
"$y$",
"$z$",
"$B_{\\mathrm{iso}}$"
],
"units": [
"1",
"1",
"1",
"Å^2"
],
"values": [
[
0.0
],
[
0.5
],
[
0.0
],
[
0.5
]
],
"standard_uncertainties": [
[
0.0
],
[
0.0
],
[
0.0
],
[
0.0
]
],
"atlas": {
"uncertainty_reported": [
false,
false,
false,
false
],
"reported_as": [
"0",
"0.5",
"0",
"0.5"
]
}
},
{
"id": "str:srprferuo6.pbnm.300k.iturbe2012#atom:O1",
"name": "Atom O1 (O, Wyckoff 4c)",
"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": [
[
-0.079
],
[
0.5096
],
[
0.25
],
[
0.81
]
],
"standard_uncertainties": [
[
0.0005
],
[
0.0007
],
[
0.0
],
[
0.02
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
false,
true
],
"reported_as": [
"-0.0790(5)",
"0.5096(7)",
"0.25",
"0.81(2)"
]
}
},
{
"id": "str:srprferuo6.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": [
[
0.7223
],
[
0.2784
],
[
0.5291
],
[
0.81
]
],
"standard_uncertainties": [
[
0.0005
],
[
0.0005
],
[
0.00030000000000000003
],
[
0.02
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
true
],
"reported_as": [
"0.7223(5)",
"0.2784(5)",
"0.5291(3)",
"0.81(2)"
]
}
},
{
"id": "str:srprferuo6.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": [
[
3.84
],
[
4.88
],
[
3.81
],
[
4.7
]
],
"standard_uncertainties": [
[
0.0
],
[
0.0
],
[
0.0
],
[
0.0
]
],
"atlas": {
"uncertainty_reported": [
false,
false,
false,
false
],
"reported_as": [
"3.84",
"4.88",
"3.81",
"4.7"
]
}
}
],
"measurands": [
"unit cell",
"atomic coordinates",
"displacement parameters"
],
"source": {
"id": "ref:srprferuo6.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:srprferuo6.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:srprferuo6.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:srprferuo6 at 300 K on D2B high-resolution neutron powder diffractometer (Institut Laue-Langevin, Grenoble)",
"correct": true,
"state": [],
"results": [],
"measurands": [
"diffraction pattern"
],
"source": {
"id": "ins:ill-d2b",
"name": "D2B high-resolution neutron powder diffractometer",
"description": "",
"model": "powder diffraction",
"influence_quantities": [],
"input_quantities": []
},
"atlas": {
"record_id": "dat:srprferuo6.iturbe2012.npd.rt",
"status": "published",
"evidence": [
{
"doc": "doc:thesis-03",
"md_line": 1794,
"table": "9.1",
"status": "thesis-only",
"cell": {
"col": "SrPrFeRuO6"
}
}
],
"atlas_schema_version": "0.1",
"note": "raw pattern not yet attached; results are empty by design until data rescue"
}
}
]
},
"atlas": {
"record_id": "str:srprferuo6.pbnm.300k.iturbe2012",
"status": "published",
"evidence": [
{
"doc": "doc:thesis-03",
"md_line": 1794,
"table": "9.1",
"status": "thesis-only",
"cell": {
"col": "SrPrFeRuO6"
}
}
],
"atlas_schema_version": "0.1",
"refinement": {
"record_id": "ref:srprferuo6.pbnm.300k.iturbe2012.all-modes",
"status": "published",
"evidence": [
{
"doc": "doc:thesis-03",
"md_line": 1794,
"table": "9.1",
"status": "thesis-only",
"cell": {
"col": "SrPrFeRuO6"
}
}
],
"atlas_schema_version": "0.1"
}
}
}
]
},
"atlas": {
"record_id": "mod:srprferuo6.pbnm.300k.iturbe2012",
"status": "published",
"evidence": [
{
"doc": "doc:thesis-03",
"md_line": 1870,
"table": "9.4",
"status": "thesis-only",
"cell": {
"col": "PrFe (a)"
}
}
],
"atlas_schema_version": "0.1",
"irreps": [
{
"label": "R4+",
"k_vector": "(1/2,1/2,1/2)",
"dimension": 1,
"isotropy_subgroup": "Imma",
"amplitude": "1.085(4)",
"primary": true,
"physical": "antiphase octahedral tilt"
},
{
"label": "R5+",
"k_vector": "(1/2,1/2,1/2)",
"dimension": 2,
"isotropy_subgroup": "Imma",
"amplitude": "0.165(7)",
"physical": "octahedral deformation"
},
{
"label": "X5+",
"k_vector": "(0,1/2,0)",
"dimension": 2,
"isotropy_subgroup": "Стст",
"amplitude": "0.294(6)",
"physical": "A-site antipolar displacement"
},
{
"label": "M2+",
"k_vector": "(1/2,1/2,0)",
"dimension": 1,
"isotropy_subgroup": "P4/mbm",
"amplitude": "0.01(1)",
"physical": "octahedral deformation"
},
{
"label": "M3+",
"k_vector": "(1/2,1/2,0)",
"dimension": 1,
"isotropy_subgroup": "P4/mbm",
"amplitude": "0.627(4)",
"primary": true,
"physical": "in-phase octahedral tilt"
}
]
}
}Temperature · Temperature of the measurement as reported (uncertainty not reported)
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| Temperature | T | 300 | 0 | K | not reported |
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+) | 1.085 | 0.004 | Å | |
| R5+ | A(R5+) | 0.165 | 0.007 | Å | |
| X5+ | A(X5+) | 0.294 | 0.006 | Å | |
| M2+ | A(M2+) | 0.01 | 0.01 | Å | |
| M3+ | A(M3+) | 0.627 | 0.004 | Å |
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:srprferuo6.pbnm.300k.iturbe2012 · Refined crystal structure of SrPrFeRuO6 at 300 K, Pbnm · own page
Temperature · Temperature of the measurement as reported (uncertainty not reported)
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| Temperature | T | 300 | 0 | K | not reported |
Unit cell · Cell parameters, space group Pbnm (No. 62)
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| a | a | 5.5477 | 0.0002 | Å | |
| b | b | 5.5463 | 0.0002 | Å | |
| c | c | 7.8390 | 0.0002 | 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 | 241.20 | 0.02 | ų |
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 | 0.001 | 0.001 | ||
| y | y | -0.0245 | 0.0005 | ||
| z | z | 0.25 | 0 | not reported | |
| B_iso | B_{\mathrm{iso}} | 0.56 | 0.03 | Ų |
Atom Fe/Ru (Fe, Wyckoff 4a) · Fractional coordinates and isotropic displacement; occupancy 0.5/0.5 (Fe/Ru); B_iso fixed
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| x | x | 0 | 0 | not reported | |
| y | y | 0.5 | 0 | not reported | |
| z | z | 0 | 0 | not reported | |
| B_iso | B_{\mathrm{iso}} | 0.5 | 0 | Ų | not reported |
Atom O1 (O, Wyckoff 4c) · Fractional coordinates and isotropic displacement; occupancy 1
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| x | x | -0.0790 | 0.0005 | ||
| y | y | 0.5096 | 0.0007 | ||
| z | z | 0.25 | 0 | not reported | |
| B_iso | B_{\mathrm{iso}} | 0.81 | 0.02 | Ų |
Atom O2 (O, Wyckoff 8d) · Fractional coordinates and isotropic displacement; occupancy 1
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| x | x | 0.7223 | 0.0005 | ||
| y | y | 0.2784 | 0.0005 | ||
| z | z | 0.5291 | 0.0003 | ||
| B_iso | B_{\mathrm{iso}} | 0.81 | 0.02 | Ų |
Rietveld reliability factors · As reported; no uncertainties
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| r_p | R_p | 3.84 | 0 | % | not reported |
| r_wp | R_{wp} | 4.88 | 0 | % | not reported |
| r_exp | R_{exp} | 3.81 | 0 | % | not reported |
| r_bragg | R_{Bragg} | 4.7 | 0 | % | not reported |
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:srprferuo6.iturbe2012.npd.rt · NPD pattern of mat:srprferuo6 at 300 K on D2B high-resolution neutron powder diffractometer (Institut Laue-Langevin, Grenoble)
Empty (no results attached yet).
D2B high-resolution neutron powder diffractometer · model: powder diffraction
| timestamp | user | description |
|---|---|---|
| 2026-09-30T05:59:03+00:00 | perovskite-atlas/fer_export.py | Dataset stub. Generated from atlas records at git 98609f0. |
| timestamp | user | description |
|---|---|---|
| 2026-09-30T05:59:03+00:00 | perovskite-atlas/fer_export.py | Refined structure. Generated from atlas records at git 98609f0. |
| timestamp | user | description |
|---|---|---|
| 2026-09-30T05:59:03+00:00 | perovskite-atlas/fer_export.py | Mode decomposition. Generated from atlas records at git 98609f0. |
record mod:srprferuo6.pbnm.300k.iturbe2012 · status published