perovskite atlas Structures, modes and phase transitions · Josu M. Igartua · UPV/EHU

Reported geometry of SrNdZnRuO6 at 300 K

Reported geometry of SrNdZnRuO6 at 300 K

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9 keys }
  "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry"
  "changelog" 1 items ],
     3 keys }
      "timestamp""2026-09-30T05:59:03+00:00"
      "user""perovskite-atlas/fer_export.py"
      "description""Geometry. Generated from atlas records at git 98609f0."
    
  
  "description""Reported geometry of SrNdZnRuO6 at 300 K"
  "correct"true
  "state" 1 items ],
     3 keys }
      "name""temperature"
      "description""conditions of the refined structure"
      "quantity_value" 9 keys }
        "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" 1 items ],
          300.0
        
        "standard_uncertainties" 1 items ],
          0.0
        
        "atlas" 2 keys }
          "uncertainty_reported"false
          "reported_as""300"
        
      
    
  
  "results" 6 items ],
     9 keys },
      "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry#bonds"
      "name""Bond lengths"
      "description"""
      "quantities""M-O1(×2)""M-O2(×2)""M-O3(×2)""Ru-O1(×2)""Ru-O2(×2)""Ru-O3(×2)"
      "symbols""$d(M-O1(×2))$""$d(M-O2(×2))$""$d(M-O3(×2))$""$d(Ru-O1(×2))$""$d(Ru-O2(×2))$""$d(Ru-O3(×2))$"
      "units""Å""Å""Å""Å""Å""Å"
      "values" 6 items ],
        2.031
        2.042
        2.073
        1.981
        2.016
        1.951
      
      "standard_uncertainties" 6 items ],
        0.004
        0.004
        0.006
        0.004
        0.004
        0.006
      
      "atlas" 2 keys }
        "uncertainty_reported"truetruetruetruetruetrue
        "reported_as""2.031(4)""2.042(4)""2.073(6)""1.981(4)""2.016(4)""1.951(6)"
      
    
     9 keys },
      "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry#angles"
      "name""Bond angles"
      "description"""
      "quantities""O1-M-O2""O1-M-O3""O2-M-O3""O1-Ru-O2""O1-Ru-O3""O2-Ru-O3""M-O1-Ru""M-O2-Ru""M-O3-Ru"
      "symbols""$\\angle(O1-M-O2)$""$\\angle(O1-M-O3)$""$\\angle(O2-M-O3)$""$\\angle(O1-Ru-O2)$""$\\angle(O1-Ru-O3)$""$\\angle(O2-Ru-O3)$""$\\angle(M-O1-Ru)$""$\\angle(M-O2-Ru)$""$\\angle(M-O3-Ru)$"
      "units""°""°""°""°""°""°""°""°""°"
      "values" 9 items ],
        94.4
        90.7
        90.4
        87.4
        90.2
        90.2
        158.7
        152.6
        155.6
      
      "standard_uncertainties" 9 items ],
        0.30000000000000004
        0.1
        0.30000000000000004
        0.30000000000000004
        0.1
        0.30000000000000004
        0.2
        0.4
        0.2
      
      "atlas" 2 keys }
        "uncertainty_reported"truetruetruetruetruetruetruetruetrue
        "reported_as""94.4(3)""90.7(1)""90.4(3)""87.4(3)""90.2(1)""90.2(3)""158.7(2)""152.6(4)""155.6(2)"
      
    
     9 keys },
      "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry#tilts"
      "name""Octahedral tilt angles"
      "description"""
      "quantities""ψ_[001]p""φ_[110]p"
      "symbols""ψ_[001]p""φ_[110]p"
      "units""°""°"
      "values" 2 items ],
        7.0
        12.6
      
      "standard_uncertainties" 2 items ],
        0.09
        0.2
      
      "atlas" 2 keys }
        "uncertainty_reported"truetrue
        "reported_as""7.00(9)""12.6(2)"
      
    
     9 keys },
      "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry#bvs"
      "name""Bond-valence sums"
      "description"""
      "quantities""M""Ru"
      "symbols""$V(M)$""$V(Ru)$"
      "units""1""1"
      "values" 2 items ],
        2.37
        4.82
      
      "standard_uncertainties" 2 items ],
        0.01
        0.03
      
      "atlas" 2 keys }
        "uncertainty_reported"truetrue
        "reported_as""2.37(1)""4.82(3)"
      
    
     9 keys },
      "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry#octahedron:MO6"
      "name""Octahedron MO6"
      "description"""
      "quantities""volume""average_bond""predicted_bond"
      "symbols""$volume$""$average_bond$""$predicted_bond$"
      "units""Å^3""Å""Å"
      "values" 3 items ],
        11.43
        2.049
        2.1105
      
      "standard_uncertainties" 3 items ],
        0.01
        0.002
        0.0
      
      "atlas" 2 keys }
        "uncertainty_reported"truetruefalse
        "reported_as""11.43(1)""2.049(2)""2.1105"
      
    
     9 keys }
      "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry#octahedron:RuO6"
      "name""Octahedron RuO6"
      "description"""
      "quantities""volume""average_bond""predicted_bond"
      "symbols""$volume$""$average_bond$""$predicted_bond$"
      "units""Å^3""Å""Å"
      "values" 3 items ],
        10.37
        1.982
        1.9675
      
      "standard_uncertainties" 3 items ],
        0.01
        0.002
        0.0
      
      "atlas" 2 keys }
        "uncertainty_reported"truetruefalse
        "reported_as""10.37(1)""1.982(2)""1.9675"
      
    
  
  "measurands""bond lengths""bond angles""bond-valence sums"
  "source" 6 keys },
    "id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry#derivation"
    "name""Geometry derived from the refined structure"
    "description"""
    "model""Interatomic distances, angles and bond-valence sums computed from the refined coordinates and cell (as reported in the source document)"
    "influence_quantities"
    "input_quantities" 1 items ]
       9 keys }
        "id""str:srndznruo6.p21n.300k.iturbe2012"
        "changelog" 1 items ],
           3 keys }
            "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" 1 items ],
           3 keys }
            "name""temperature"
            "description""conditions of the refined structure"
            "quantity_value" 9 keys }
              "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" 1 items ],
                300.0
              
              "standard_uncertainties" 1 items ],
                0.0
              
              "atlas" 2 keys }
                "uncertainty_reported"false
                "reported_as""300"
              
            
          
        
        "results" 9 items ],
           9 keys },
            "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" 6 items ],
              5.557
              5.5932
              7.8647
              90.0
              90.013
              90.0
            
            "standard_uncertainties" 6 items ],
              0.0001
              0.0001
              0.0002
              0.0
              0.008
              0.0
            
            "atlas" 2 keys }
              "uncertainty_reported"truetruetruefalsetruefalse
              "reported_as""5.5570(1)""5.5932(1)""7.8647(2)""90""90.013(8)""90"
            
          
           9 keys },
            "id""str:srndznruo6.p21n.300k.iturbe2012#volume"
            "name""Cell volume"
            "description"""
            "quantities""V"
            "symbols""$V$"
            "units""Å^3"
            "values" 1 items ],
              244.45
            
            "standard_uncertainties" 1 items ],
              0.01
            
            "atlas" 2 keys }
              "uncertainty_reported"true
              "reported_as""244.45(1)"
            
          
           9 keys },
            "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" 4 items ],
              -0.0066
              0.4645
              0.75
              0.27
            
            "standard_uncertainties" 4 items ],
              0.0005
              0.0002
              0.001
              0.02
            
            "atlas" 2 keys }
              "uncertainty_reported"truetruetruetrue
              "reported_as""-0.0066(5)""0.4645(2)""0.750(1)""0.27(2)"
            
          
           9 keys },
            "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" 4 items ],
              -0.2771
              0.2168
              -0.0362
              0.71
            
            "standard_uncertainties" 4 items ],
              0.0007
              0.0007
              0.0007
              0.02
            
            "atlas" 2 keys }
              "uncertainty_reported"truetruetruetrue
              "reported_as""-0.2771(7)""0.2168(7)""-0.0362(7)""0.71(2)"
            
          
           9 keys },
            "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" 4 items ],
              -0.7982
              0.2942
              0.04
              0.71
            
            "standard_uncertainties" 4 items ],
              0.0007
              0.0007
              0.0007
              0.02
            
            "atlas" 2 keys }
              "uncertainty_reported"truetruetruetrue
              "reported_as""-0.7982(7)""0.2942(7)""0.0400(7)""0.71(2)"
            
          
           9 keys },
            "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" 4 items ],
              0.0753
              0.0128
              0.758
              0.71
            
            "standard_uncertainties" 4 items ],
              0.0004
              0.00030000000000000003
              0.0008
              0.02
            
            "atlas" 2 keys }
              "uncertainty_reported"truetruetruetrue
              "reported_as""0.0753(4)""0.0128(3)""0.7580(8)""0.71(2)"
            
          
           9 keys },
            "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" 4 items ],
              0.0
              0.0
              0.0
              0.5
            
            "standard_uncertainties" 4 items ],
              0.0
              0.0
              0.0
              0.0
            
            "atlas" 2 keys }
              "uncertainty_reported"falsefalsefalsefalse
              "reported_as""0""0""0""0.5"
            
          
           9 keys },
            "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" 4 items ],
              0.0
              0.0
              0.0
              0.5
            
            "standard_uncertainties" 4 items ],
              0.0
              0.0
              0.0
              0.0
            
            "atlas" 2 keys }
              "uncertainty_reported"falsefalsefalsefalse
              "reported_as""0""0""0""0.5"
            
          
           9 keys }
            "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" 5 items ],
              3.82
              4.77
              2.36
              6.33
              4.08
            
            "standard_uncertainties" 5 items ],
              0.0
              0.0
              0.0
              0.0
              0.0
            
            "atlas" 2 keys }
              "uncertainty_reported"falsefalsefalsefalsefalse
              "reported_as""3.82""4.77""2.36""6.33""4.08"
            
          
        
        "measurands""unit cell""atomic coordinates""displacement parameters"
        "source" 6 keys },
          "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" 1 items ],
             9 keys }
              "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" 1 items ],
                300.0
              
              "standard_uncertainties" 1 items ],
                0.0
              
              "atlas" 2 keys }
                "uncertainty_reported"false
                "reported_as""300"
              
            
          
          "input_quantities" 1 items ]
             9 keys }
              "id""dat:srndznruo6.iturbe2012.npd.rt"
              "changelog" 1 items ],
                 3 keys }
                  "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" 6 keys },
                "id""ins:ill-d2b"
                "name""D2B high-resolution neutron powder diffractometer"
                "description"""
                "model""powder diffraction"
                "influence_quantities"
                "input_quantities"
              
              "atlas" 5 keys }
                "record_id""dat:srndznruo6.iturbe2012.npd.rt"
                "status""published"
                "evidence" 1 items ],
                   5 keys }
                    "doc""doc:thesis-03"
                    "md_line"950
                    "table""5.1"
                    "status""thesis-only"
                    "cell" 1 keys }
                      "col""SrNdZnRuO6"
                    
                  
                
                "atlas_schema_version""0.1"
                "note""raw pattern not yet attached; results are empty by design until data rescue"
              
            
          
        
        "atlas" 5 keys }
          "record_id""str:srndznruo6.p21n.300k.iturbe2012"
          "status""published"
          "evidence" 1 items ],
             5 keys }
              "doc""doc:thesis-03"
              "md_line"950
              "table""5.1"
              "status""thesis-only"
              "cell" 1 keys }
                "col""SrNdZnRuO6"
              
            
          
          "atlas_schema_version""0.1"
          "refinement" 4 keys }
            "record_id""ref:srndznruo6.p21n.300k.iturbe2012.all-modes"
            "status""published"
            "evidence" 1 items ],
               5 keys }
                "doc""doc:thesis-03"
                "md_line"950
                "table""5.1"
                "status""thesis-only"
                "cell" 1 keys }
                  "col""SrNdZnRuO6"
                
              
            
            "atlas_schema_version""0.1"
          
        
      
    
  
  "atlas" 4 keys }
    "record_id""fnd:srndznruo6.p21n.300k.iturbe2012.geometry"
    "status""published"
    "evidence" 1 items ],
       5 keys }
        "doc""doc:thesis-03"
        "md_line"998
        "table""5.2"
        "status""thesis-only"
        "cell" 1 keys }
          "col""Zn"
        
      
    
    "atlas_schema_version""0.1"
  

id fnd:srndznruo6.p21n.300k.iturbe2012.geometry · correct true · measurands bond lengths, bond angles, bond-valence sums

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

Bond lengths

quantity symbol value u (standard) unit
M-O1(×2) d(M-O1(×2)) 2.031 0.004 Å
M-O2(×2) d(M-O2(×2)) 2.042 0.004 Å
M-O3(×2) d(M-O3(×2)) 2.073 0.006 Å
Ru-O1(×2) d(Ru-O1(×2)) 1.981 0.004 Å
Ru-O2(×2) d(Ru-O2(×2)) 2.016 0.004 Å
Ru-O3(×2) d(Ru-O3(×2)) 1.951 0.006 Å

Bond angles

quantity symbol value u (standard) unit
O1-M-O2 \angle(O1-M-O2) 94.4 0.3 °
O1-M-O3 \angle(O1-M-O3) 90.7 0.1 °
O2-M-O3 \angle(O2-M-O3) 90.4 0.3 °
O1-Ru-O2 \angle(O1-Ru-O2) 87.4 0.3 °
O1-Ru-O3 \angle(O1-Ru-O3) 90.2 0.1 °
O2-Ru-O3 \angle(O2-Ru-O3) 90.2 0.3 °
M-O1-Ru \angle(M-O1-Ru) 158.7 0.2 °
M-O2-Ru \angle(M-O2-Ru) 152.6 0.4 °
M-O3-Ru \angle(M-O3-Ru) 155.6 0.2 °

Octahedral tilt angles

quantity symbol value u (standard) unit
ψ_[001]p ψ_[001]p 7.00 0.09 °
φ_[110]p φ_[110]p 12.6 0.2 °

Bond-valence sums

quantity symbol value u (standard) unit
M V(M) 2.37 0.01
Ru V(Ru) 4.82 0.03

Octahedron MO6

quantity symbol value u (standard) unit
volume volume 11.43 0.01 ų
average_bond average_bond 2.049 0.002 Å
predicted_bond predicted_bond 2.1105 0 Å not reported

Octahedron RuO6

quantity symbol value u (standard) unit
volume volume 10.37 0.01 ų
average_bond average_bond 1.982 0.002 Å
predicted_bond predicted_bond 1.9675 0 Å not reported

Source

Geometry derived from the refined structure · model: Interatomic distances, angles and bond-valence sums computed from the refined coordinates and cell (as reported in the source document)

Input quantities

str:srndznruo6.p21n.300k.iturbe2012 · Refined crystal structure of SrNdZnRuO6 at 300 K, P2_1/n · own page

id str:srndznruo6.p21n.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 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

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:srndznruo6.iturbe2012.npd.rt · NPD pattern of mat:srndznruo6 at 300 K on D2B high-resolution neutron powder diffractometer (Institut Laue-Langevin, Grenoble)

id dat:srndznruo6.iturbe2012.npd.rt · correct true · measurands diffraction pattern

Results

Empty (no results attached yet).

Source

D2B high-resolution 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 Geometry. Generated from atlas records at git 98609f0.

Atlas extension

record fnd:srndznruo6.p21n.300k.iturbe2012.geometry · status published