{
"id": "str:srndznruo6.p21n.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 SrNdZnRuO6 at 300 K, P2_1/n",
"correct": true,
"state": [
{
"name": "temperature",
"description": "conditions of the refined structure",
"quantity_value": {
"id": "str:srndznruo6.p21n.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:srndznruo6.p21n.300k.iturbe2012#cell",
"name": "Unit cell",
"description": "Cell parameters, space group P2_1/n (No. 14)",
"quantities": [
"a",
"b",
"c",
"alpha",
"beta",
"gamma"
],
"symbols": [
"$a$",
"$b$",
"$c$",
"$\\alpha$",
"$\\beta$",
"$\\gamma$"
],
"units": [
"Å",
"Å",
"Å",
"°",
"°",
"°"
],
"values": [
[
5.557
],
[
5.5932
],
[
7.8647
],
[
90.0
],
[
90.013
],
[
90.0
]
],
"standard_uncertainties": [
[
0.0001
],
[
0.0001
],
[
0.0002
],
[
0.0
],
[
0.008
],
[
0.0
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
false,
true,
false
],
"reported_as": [
"5.5570(1)",
"5.5932(1)",
"7.8647(2)",
"90",
"90.013(8)",
"90"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#volume",
"name": "Cell volume",
"description": "",
"quantities": [
"V"
],
"symbols": [
"$V$"
],
"units": [
"Å^3"
],
"values": [
[
244.45
]
],
"standard_uncertainties": [
[
0.01
]
],
"atlas": {
"uncertainty_reported": [
true
],
"reported_as": [
"244.45(1)"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#atom:Sr/Nd",
"name": "Atom Sr/Nd (Sr, Wyckoff 4e)",
"description": "Fractional coordinates and isotropic displacement; occupancy 0.5/0.5 (Sr/Nd)",
"quantities": [
"x",
"y",
"z",
"B_iso"
],
"symbols": [
"$x$",
"$y$",
"$z$",
"$B_{\\mathrm{iso}}$"
],
"units": [
"1",
"1",
"1",
"Å^2"
],
"values": [
[
-0.0066
],
[
0.4645
],
[
0.75
],
[
0.27
]
],
"standard_uncertainties": [
[
0.0005
],
[
0.0002
],
[
0.001
],
[
0.02
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
true
],
"reported_as": [
"-0.0066(5)",
"0.4645(2)",
"0.750(1)",
"0.27(2)"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#atom:O1",
"name": "Atom O1 (O, Wyckoff 4e)",
"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": [
[
-0.2771
],
[
0.2168
],
[
-0.0362
],
[
0.71
]
],
"standard_uncertainties": [
[
0.0007
],
[
0.0007
],
[
0.0007
],
[
0.02
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
true
],
"reported_as": [
"-0.2771(7)",
"0.2168(7)",
"-0.0362(7)",
"0.71(2)"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#atom:O2",
"name": "Atom O2 (O, Wyckoff 4e)",
"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": [
[
-0.7982
],
[
0.2942
],
[
0.04
],
[
0.71
]
],
"standard_uncertainties": [
[
0.0007
],
[
0.0007
],
[
0.0007
],
[
0.02
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
true
],
"reported_as": [
"-0.7982(7)",
"0.2942(7)",
"0.0400(7)",
"0.71(2)"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#atom:O3",
"name": "Atom O3 (O, Wyckoff 4e)",
"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": [
[
0.0753
],
[
0.0128
],
[
0.758
],
[
0.71
]
],
"standard_uncertainties": [
[
0.0004
],
[
0.00030000000000000003
],
[
0.0008
],
[
0.02
]
],
"atlas": {
"uncertainty_reported": [
true,
true,
true,
true
],
"reported_as": [
"0.0753(4)",
"0.0128(3)",
"0.7580(8)",
"0.71(2)"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#atom:Ru",
"name": "Atom Ru (Ru, Wyckoff 2a)",
"description": "Fractional coordinates and isotropic displacement; occupancy 1; 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
],
[
0.0
],
[
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",
"0",
"0.5"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#atom:Zn",
"name": "Atom Zn (Zn, Wyckoff 2b)",
"description": "Fractional coordinates and isotropic displacement; occupancy 1; 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
],
[
0.0
],
[
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",
"0",
"0.5"
]
}
},
{
"id": "str:srndznruo6.p21n.300k.iturbe2012#reliability",
"name": "Rietveld reliability factors",
"description": "As reported; no uncertainties",
"quantities": [
"r_p",
"r_wp",
"r_exp",
"r_bragg",
"chi2"
],
"symbols": [
"$R_p$",
"$R_{wp}$",
"$R_{exp}$",
"$R_{Bragg}$",
"$\\chi^2$"
],
"units": [
"%",
"%",
"%",
"%",
"1"
],
"values": [
[
3.82
],
[
4.77
],
[
2.36
],
[
6.33
],
[
4.08
]
],
"standard_uncertainties": [
[
0.0
],
[
0.0
],
[
0.0
],
[
0.0
],
[
0.0
]
],
"atlas": {
"uncertainty_reported": [
false,
false,
false,
false,
false
],
"reported_as": [
"3.82",
"4.77",
"2.36",
"6.33",
"4.08"
]
}
}
],
"measurands": [
"unit cell",
"atomic coordinates",
"displacement parameters"
],
"source": {
"id": "ref:srndznruo6.p21n.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:srndznruo6.p21n.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:srndznruo6.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:srndznruo6 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:srndznruo6.iturbe2012.npd.rt",
"status": "published",
"evidence": [
{
"doc": "doc:thesis-03",
"md_line": 950,
"table": "5.1",
"status": "thesis-only",
"cell": {
"col": "SrNdZnRuO6"
}
}
],
"atlas_schema_version": "0.1",
"note": "raw pattern not yet attached; results are empty by design until data rescue"
}
}
]
},
"atlas": {
"record_id": "str:srndznruo6.p21n.300k.iturbe2012",
"status": "published",
"evidence": [
{
"doc": "doc:thesis-03",
"md_line": 950,
"table": "5.1",
"status": "thesis-only",
"cell": {
"col": "SrNdZnRuO6"
}
}
],
"atlas_schema_version": "0.1",
"refinement": {
"record_id": "ref:srndznruo6.p21n.300k.iturbe2012.all-modes",
"status": "published",
"evidence": [
{
"doc": "doc:thesis-03",
"md_line": 950,
"table": "5.1",
"status": "thesis-only",
"cell": {
"col": "SrNdZnRuO6"
}
}
],
"atlas_schema_version": "0.1"
}
}
}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 P2_1/n (No. 14)
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| a | a | 5.5570 | 0.0001 | Å | |
| b | b | 5.5932 | 0.0001 | Å | |
| c | c | 7.8647 | 0.0002 | Å | |
| alpha | \alpha | 90 | 0 | ° | not reported |
| beta | \beta | 90.013 | 0.008 | ° | |
| gamma | \gamma | 90 | 0 | ° | not reported |
Cell volume
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| V | V | 244.45 | 0.01 | ų |
Atom Sr/Nd (Sr, Wyckoff 4e) · Fractional coordinates and isotropic displacement; occupancy 0.5/0.5 (Sr/Nd)
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| x | x | -0.0066 | 0.0005 | ||
| y | y | 0.4645 | 0.0002 | ||
| z | z | 0.750 | 0.001 | ||
| B_iso | B_{\mathrm{iso}} | 0.27 | 0.02 | Ų |
Atom O1 (O, Wyckoff 4e) · Fractional coordinates and isotropic displacement; occupancy 1
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| x | x | -0.2771 | 0.0007 | ||
| y | y | 0.2168 | 0.0007 | ||
| z | z | -0.0362 | 0.0007 | ||
| B_iso | B_{\mathrm{iso}} | 0.71 | 0.02 | Ų |
Atom O2 (O, Wyckoff 4e) · Fractional coordinates and isotropic displacement; occupancy 1
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| x | x | -0.7982 | 0.0007 | ||
| y | y | 0.2942 | 0.0007 | ||
| z | z | 0.0400 | 0.0007 | ||
| B_iso | B_{\mathrm{iso}} | 0.71 | 0.02 | Ų |
Atom O3 (O, Wyckoff 4e) · Fractional coordinates and isotropic displacement; occupancy 1
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| x | x | 0.0753 | 0.0004 | ||
| y | y | 0.0128 | 0.0003 | ||
| z | z | 0.7580 | 0.0008 | ||
| B_iso | B_{\mathrm{iso}} | 0.71 | 0.02 | Ų |
Atom Ru (Ru, Wyckoff 2a) · Fractional coordinates and isotropic displacement; occupancy 1; B_iso fixed
| 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}} | 0.5 | 0 | Ų | not reported |
Atom Zn (Zn, Wyckoff 2b) · Fractional coordinates and isotropic displacement; occupancy 1; B_iso fixed
| 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}} | 0.5 | 0 | Ų | not reported |
Rietveld reliability factors · As reported; no uncertainties
| quantity | symbol | value | u (standard) | unit | |
|---|---|---|---|---|---|
| r_p | R_p | 3.82 | 0 | % | not reported |
| r_wp | R_{wp} | 4.77 | 0 | % | not reported |
| r_exp | R_{exp} | 2.36 | 0 | % | not reported |
| r_bragg | R_{Bragg} | 6.33 | 0 | % | not reported |
| chi2 | \chi^2 | 4.08 | 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:srndznruo6.iturbe2012.npd.rt · NPD pattern of mat:srndznruo6 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. |
record str:srndznruo6.p21n.300k.iturbe2012 · status published