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A new potassium dysprosium polyborate, K3DyB6O12, has been prepared via the high-temperature molten salt method and structurally characterized by single-crystal X-ray diffraction analysis. The structure can be described as a three-dimensional framework com­posed of isolated bicyclic [B5O10]5− groups and Dy3+ and K+ ions. The Fourier transform IR (FT–IR) and ultraviolet–visible (UV–Vis) spectra were investigated. A series of K3Gd1–xDyxB6O12 phosphors was prepared and their photoluminescence properties were studied. The K3Gd1–xDyxB6O12 phosphors exhibit a strong yellow emission band at 577 nm (the 4F9/26H13/2 transition of Dy3+) under UV excitation of 275 nm (the 8S7/26IJ transition of Gd3+), suggesting the occurrence of the energy transfer Gd3+→Dy3+. The optimized doping concentration of the Dy3+ ion was 8 mol%. We may expect that K3Gd1–xDyxB6O12 is a promising pale-yellow emission phosphor for visual displays or solid-state lighting.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S2053229619013305/ky3189sup1.cif
Contains datablocks I, global

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S2053229619013305/ky3189Isup2.hkl
Contains datablock I

pdf

Portable Document Format (PDF) file https://doi.org/10.1107/S2053229619013305/ky3189sup3.pdf
Additional PXRD patterns

CCDC reference: 1956744

Computing details top

Data collection: APEX2 (Bruker, 2016); cell refinement: SAINT (Bruker, 2016); data reduction: SAINT (Bruker, 2016); program(s) used to solve structure: SHELXS2016 (Sheldrick, 2015a); program(s) used to refine structure: SHELXL2016 (Sheldrick, 2015b); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL (Sheldrick, 2015b).

(I) top
Crystal data top
K3DyB6O12Dx = 2.908 Mg m3
Mr = 536.66Mo Kα radiation, λ = 0.71073 Å
Trigonal, R32:HCell parameters from 460 reflections
a = 13.1643 (7) Åθ = 3.5–24.8°
c = 15.3154 (8) ŵ = 7.17 mm1
V = 2298.6 (3) Å3T = 296 K
Z = 7.5Prism, colorless
F(000) = 18680.20 × 0.10 × 0.10 mm
Data collection top
Bruker SMART APEXII CCD area detector
diffractometer
1271 independent reflections
Radiation source: fine-focus sealed tube1253 reflections with I > 2σ(I)
Detector resolution: 83.33 pixels mm-1Rint = 0.019
ω scansθmax = 28.3°, θmin = 2.2°
Absorption correction: multi-scan
(SADABS; Bruker, 2001)
h = 1717
Tmin = 0.257, Tmax = 0.661k = 1716
5130 measured reflectionsl = 1720
Refinement top
Refinement on F2 w = 1/[σ2(Fo2) + (0.0251P)2 + 8.8823P]
where P = (Fo2 + 2Fc2)/3
Least-squares matrix: full(Δ/σ)max < 0.001
R[F2 > 2σ(F2)] = 0.018Δρmax = 0.56 e Å3
wR(F2) = 0.048Δρmin = 1.93 e Å3
S = 1.09Extinction correction: SHELXL2016 (Sheldrick, 2015b), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
1271 reflectionsExtinction coefficient: 0.00044 (7)
87 parametersAbsolute structure: Flack x determined using 530 quotients [(I+)-(I-)]/[(I+)+(I-)] (Parsons et al., 2013)
0 restraintsAbsolute structure parameter: 0.025 (8)
Special details top

Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/UeqOcc. (<1)
Dy10.3333330.6666670.1666670.0192 (2)0.5
Dy20.3333330.6666670.39295 (2)0.00748 (13)
K10.3333330.6666670.1666670.0192 (2)0.5
K20.1542 (2)0.3333330.3333330.0304 (5)
K30.3333330.6666670.6666670.0227 (5)
K40.0000000.46346 (16)0.5000000.0251 (4)
B10.5614 (5)0.7966 (6)0.5332 (4)0.0157 (15)
B20.0790 (5)0.5513 (8)0.2813 (4)0.0178 (15)
B30.0813 (6)0.5854 (6)0.3333330.0146 (16)
O10.4984 (3)0.7278 (3)0.4679 (3)0.0163 (10)
O20.6736 (4)0.8137 (5)0.5467 (3)0.0369 (16)
O30.5218 (3)0.8515 (4)0.5889 (2)0.0173 (8)
O40.0353 (4)0.5975 (4)0.3392 (3)0.0212 (9)
O50.1883 (3)0.5690 (4)0.2877 (3)0.0244 (11)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Dy10.0236 (3)0.0236 (3)0.0104 (4)0.01180 (14)0.0000.000
Dy20.00815 (14)0.00815 (14)0.00615 (17)0.00407 (7)0.0000.000
K10.0236 (3)0.0236 (3)0.0104 (4)0.01180 (14)0.0000.000
K20.0245 (11)0.0294 (9)0.0389 (10)0.0147 (5)0.0080 (4)0.0159 (7)
K30.0156 (7)0.0156 (7)0.0370 (14)0.0078 (3)0.0000.000
K40.0197 (9)0.0308 (8)0.0211 (9)0.0098 (4)0.0015 (7)0.0007 (3)
B10.012 (2)0.018 (4)0.014 (2)0.006 (2)0.0004 (19)0.000 (2)
B20.015 (2)0.016 (4)0.019 (2)0.005 (3)0.001 (2)0.003 (3)
B30.013 (3)0.013 (3)0.015 (4)0.004 (3)0.0028 (15)0.0028 (15)
O10.0135 (17)0.013 (2)0.0212 (18)0.0060 (14)0.0059 (14)0.0040 (14)
O20.019 (2)0.057 (4)0.044 (3)0.026 (2)0.0176 (19)0.036 (2)
O30.0132 (18)0.024 (2)0.0163 (19)0.0104 (17)0.0019 (15)0.0049 (16)
O40.017 (2)0.030 (2)0.0165 (19)0.0115 (19)0.0042 (16)0.0107 (16)
O50.0139 (19)0.029 (3)0.030 (2)0.0102 (17)0.0083 (16)0.0134 (17)
Geometric parameters (Å, º) top
Dy1—O5i2.505 (5)K3—O3x2.731 (4)
Dy1—O52.505 (5)K3—O3xi2.731 (4)
Dy1—O5ii2.505 (5)K3—O32.731 (4)
Dy1—O5iii2.505 (5)K3—O3i2.731 (4)
Dy1—O5iv2.505 (5)K3—B1ix3.314 (6)
Dy1—O5v2.505 (5)K3—B1x3.314 (6)
Dy1—Dy23.4656 (3)K3—B1iv3.314 (6)
Dy1—Dy2ii3.4656 (3)K3—B1i3.314 (6)
Dy2—O1iv2.222 (4)K3—B1xi3.314 (6)
Dy2—O1i2.222 (4)K3—B13.314 (6)
Dy2—O12.222 (4)K4—O3iv2.786 (4)
Dy2—O52.333 (4)K4—O3xii2.786 (4)
Dy2—O5i2.333 (4)K4—O1xiii2.846 (4)
Dy2—O5iv2.333 (4)K4—O1i2.846 (4)
Dy2—K2i3.9118 (2)K4—O42.928 (5)
Dy2—K23.9118 (2)K4—O4xiv2.928 (5)
Dy2—K2iv3.9118 (3)K4—O2xiii3.240 (6)
Dy2—K4i4.1666 (3)K4—O2i3.240 (5)
K2—O1vi2.818 (4)K4—B1i3.312 (7)
K2—O1i2.818 (4)K4—B1xiii3.312 (7)
K2—O4iv2.844 (5)K4—B33.4575 (14)
K2—O4vii2.844 (5)K4—B3xv3.4575 (15)
K2—O5viii2.987 (5)B1—O11.325 (7)
K2—O52.987 (5)B1—O31.378 (8)
K2—O2vi3.272 (5)B1—O21.394 (7)
K2—O2i3.272 (5)B2—O51.342 (8)
K2—B1vi3.309 (6)B2—O41.355 (9)
K2—B1i3.309 (6)B2—O2xvi1.403 (8)
K2—B3iv3.428 (9)B3—O4xvii1.464 (6)
K2—B2iv3.506 (9)B3—O41.464 (6)
K3—O3iv2.731 (4)B3—O3xvi1.471 (6)
K3—O3ix2.731 (4)B3—O3xii1.471 (6)
O5i—Dy1—O571.29 (14)O3xi—K3—B1i68.56 (14)
O5i—Dy1—O5ii100.77 (18)O3—K3—B1i107.88 (14)
O5—Dy1—O5ii119.31 (19)O3i—K3—B1i23.94 (15)
O5i—Dy1—O5iii164.78 (19)B1ix—K3—B1i99.2 (2)
O5—Dy1—O5iii100.77 (18)B1x—K3—B1i172.8 (3)
O5ii—Dy1—O5iii71.30 (14)B1iv—K3—B1i85.95 (15)
O5i—Dy1—O5iv71.30 (14)O3iv—K3—B1xi149.17 (15)
O5—Dy1—O5iv71.30 (14)O3ix—K3—B1xi107.87 (14)
O5ii—Dy1—O5iv164.78 (19)O3x—K3—B1xi78.44 (15)
O5iii—Dy1—O5iv119.31 (19)O3xi—K3—B1xi23.94 (15)
O5i—Dy1—O5v119.31 (19)O3—K3—B1xi108.31 (15)
O5—Dy1—O5v164.79 (19)O3i—K3—B1xi68.56 (14)
O5ii—Dy1—O5v71.30 (14)B1ix—K3—B1xi85.94 (15)
O5iii—Dy1—O5v71.30 (14)B1x—K3—B1xi85.94 (15)
O5iv—Dy1—O5v100.77 (18)B1iv—K3—B1xi172.8 (3)
O5i—Dy1—Dy242.30 (9)B1i—K3—B1xi89.4 (2)
O5—Dy1—Dy242.30 (9)O3iv—K3—B1107.88 (14)
O5ii—Dy1—Dy2137.70 (9)O3ix—K3—B1149.17 (15)
O5iii—Dy1—Dy2137.70 (9)O3x—K3—B168.56 (14)
O5iv—Dy1—Dy242.30 (9)O3xi—K3—B1108.31 (15)
O5v—Dy1—Dy2137.70 (9)O3—K3—B123.94 (15)
O5i—Dy1—Dy2ii137.70 (9)O3i—K3—B178.44 (15)
O5—Dy1—Dy2ii137.71 (9)B1ix—K3—B1172.8 (3)
O5ii—Dy1—Dy2ii42.30 (9)B1x—K3—B189.4 (2)
O5iii—Dy1—Dy2ii42.30 (9)B1iv—K3—B185.95 (15)
O5iv—Dy1—Dy2ii137.70 (9)B1i—K3—B185.95 (15)
O5v—Dy1—Dy2ii42.30 (9)B1xi—K3—B199.2 (2)
Dy2—Dy1—Dy2ii180.0O3iv—K4—O3xii102.43 (18)
O1iv—Dy2—O1i95.72 (14)O3iv—K4—O1xiii134.10 (11)
O1iv—Dy2—O195.72 (14)O3xii—K4—O1xiii75.39 (12)
O1i—Dy2—O195.72 (14)O3iv—K4—O1i75.39 (12)
O1iv—Dy2—O5104.36 (14)O3xii—K4—O1i134.10 (11)
O1i—Dy2—O583.35 (15)O1xiii—K4—O1i138.51 (17)
O1—Dy2—O5159.90 (14)O3iv—K4—O489.97 (12)
O1iv—Dy2—O5i83.35 (15)O3xii—K4—O449.08 (11)
O1i—Dy2—O5i159.90 (14)O1xiii—K4—O4117.18 (11)
O1—Dy2—O5i104.36 (14)O1i—K4—O485.06 (11)
O5—Dy2—O5i77.49 (17)O3iv—K4—O4xiv49.08 (11)
O1iv—Dy2—O5iv159.90 (14)O3xii—K4—O4xiv89.97 (12)
O1i—Dy2—O5iv104.36 (14)O1xiii—K4—O4xiv85.06 (11)
O1—Dy2—O5iv83.35 (15)O1i—K4—O4xiv117.18 (11)
O5—Dy2—O5iv77.49 (17)O4—K4—O4xiv116.90 (17)
O5i—Dy2—O5iv77.49 (17)O3iv—K4—O2xiii159.15 (13)
O1iv—Dy2—Dy1121.11 (10)O3xii—K4—O2xiii96.88 (12)
O1i—Dy2—Dy1121.11 (10)O1xiii—K4—O2xiii44.51 (11)
O1—Dy2—Dy1121.11 (10)O1i—K4—O2xiii96.72 (12)
O5—Dy2—Dy146.27 (11)O4—K4—O2xiii108.81 (13)
O5i—Dy2—Dy146.27 (11)O4xiv—K4—O2xiii123.93 (13)
O5iv—Dy2—Dy146.27 (11)O3iv—K4—O2i96.88 (12)
O1iv—Dy2—K2i44.98 (10)O3xii—K4—O2i159.15 (13)
O1i—Dy2—K2i117.31 (10)O1xiii—K4—O2i96.72 (12)
O1—Dy2—K2i127.61 (10)O1i—K4—O2i44.51 (11)
O5—Dy2—K2i69.07 (11)O4—K4—O2i123.93 (13)
O5i—Dy2—K2i49.62 (11)O4xiv—K4—O2i108.81 (13)
O5iv—Dy2—K2i121.40 (11)O2xiii—K4—O2i65.40 (16)
Dy1—Dy2—K2i76.502 (4)O3iv—K4—B1i77.75 (13)
O1iv—Dy2—K2127.61 (10)O3xii—K4—B1i157.17 (13)
O1i—Dy2—K244.98 (10)O1xiii—K4—B1i121.14 (14)
O1—Dy2—K2117.31 (10)O1i—K4—B1i23.31 (13)
O5—Dy2—K249.62 (11)O4—K4—B1i108.31 (13)
O5i—Dy2—K2121.40 (11)O4xiv—K4—B1i106.17 (13)
O5iv—Dy2—K269.07 (11)O2xiii—K4—B1i87.51 (13)
Dy1—Dy2—K276.502 (4)O2i—K4—B1i24.53 (13)
K2i—Dy2—K2114.726 (3)O3iv—K4—B1xiii157.17 (13)
O1iv—Dy2—K2iv117.31 (10)O3xii—K4—B1xiii77.75 (13)
O1i—Dy2—K2iv127.61 (10)O1xiii—K4—B1xiii23.31 (13)
O1—Dy2—K2iv44.98 (10)O1i—K4—B1xiii121.14 (14)
O5—Dy2—K2iv121.40 (11)O4—K4—B1xiii106.17 (13)
O5i—Dy2—K2iv69.07 (11)O4xiv—K4—B1xiii108.31 (13)
O5iv—Dy2—K2iv49.62 (11)O2xiii—K4—B1xiii24.53 (13)
Dy1—Dy2—K2iv76.502 (5)O2i—K4—B1xiii87.51 (14)
K2i—Dy2—K2iv114.726 (3)B1i—K4—B1xiii111.0 (2)
K2—Dy2—K2iv114.726 (3)O3iv—K4—B397.80 (16)
O1iv—Dy2—K4i39.93 (10)O3xii—K4—B324.34 (12)
O1i—Dy2—K4i123.67 (10)O1xiii—K4—B395.76 (16)
O1—Dy2—K4i66.58 (9)O1i—K4—B3109.76 (12)
O5—Dy2—K4i130.15 (11)O4—K4—B324.78 (13)
O5i—Dy2—K4i67.00 (11)O4xiv—K4—B3105.08 (10)
O5iv—Dy2—K4i124.18 (11)O2xiii—K4—B3103.05 (15)
Dy1—Dy2—K4i113.172 (5)O2i—K4—B3144.69 (10)
K2i—Dy2—K4i61.38 (4)B1i—K4—B3132.91 (14)
K2—Dy2—K4i166.67 (4)B1xiii—K4—B391.16 (17)
K2iv—Dy2—K4i77.38 (5)O3iv—K4—B3xv24.34 (12)
O1vi—K2—O1i175.22 (19)O3xii—K4—B3xv97.80 (15)
O1vi—K2—O4iv110.25 (13)O1xiii—K4—B3xv109.76 (12)
O1i—K2—O4iv74.31 (12)O1i—K4—B3xv95.76 (16)
O1vi—K2—O4vii74.31 (12)O4—K4—B3xv105.08 (10)
O1i—K2—O4vii110.25 (13)O4xiv—K4—B3xv24.78 (13)
O4iv—K2—O4vii49.68 (17)O2xiii—K4—B3xv144.69 (10)
O1vi—K2—O5viii62.85 (11)O2i—K4—B3xv103.05 (15)
O1i—K2—O5viii115.19 (12)B1i—K4—B3xv91.16 (17)
O4iv—K2—O5viii134.76 (14)B1xiii—K4—B3xv132.91 (14)
O4vii—K2—O5viii88.02 (11)B3—K4—B3xv103.52 (17)
O1vi—K2—O5115.19 (12)O1—B1—O3123.6 (5)
O1i—K2—O562.85 (11)O1—B1—O2118.2 (6)
O4iv—K2—O588.02 (11)O3—B1—O2118.1 (5)
O4vii—K2—O5134.76 (14)O1—B1—K2iv57.1 (3)
O5viii—K2—O5136.70 (19)O3—B1—K2iv140.5 (4)
O1vi—K2—O2vi44.28 (11)O2—B1—K2iv76.3 (3)
O1i—K2—O2vi135.42 (11)O1—B1—K4iv58.2 (3)
O4iv—K2—O2vi93.46 (13)O3—B1—K4iv140.3 (4)
O4vii—K2—O2vi90.99 (12)O2—B1—K4iv74.9 (4)
O5viii—K2—O2vi103.88 (12)K2iv—B1—K4iv77.17 (15)
O5—K2—O2vi74.25 (11)O1—B1—K390.9 (3)
O1vi—K2—O2i135.42 (11)O3—B1—K353.6 (3)
O1i—K2—O2i44.29 (11)O2—B1—K3127.2 (4)
O4iv—K2—O2i90.99 (12)K2iv—B1—K3148.0 (2)
O4vii—K2—O2i93.46 (13)K4iv—B1—K388.01 (16)
O5viii—K2—O2i74.25 (11)O1—B1—K4i93.9 (3)
O5—K2—O2i103.88 (12)O3—B1—K4i46.8 (3)
O2vi—K2—O2i175.1 (2)O2—B1—K4i131.0 (4)
O1vi—K2—B1vi23.26 (13)K2iv—B1—K4i95.02 (16)
O1i—K2—B1vi158.15 (13)K4iv—B1—K4i150.98 (19)
O4iv—K2—B1vi94.52 (15)K3—B1—K4i84.29 (15)
O4vii—K2—B1vi73.52 (15)O5—B2—O4122.3 (6)
O5viii—K2—B1vi86.10 (13)O5—B2—O2xvi118.6 (6)
O5—K2—B1vi98.70 (14)O4—B2—O2xvi119.1 (5)
O2vi—K2—B1vi24.45 (13)O5—B2—K2i90.8 (4)
O2i—K2—B1vi156.93 (13)O4—B2—K2i50.5 (4)
O1vi—K2—B1i158.15 (13)O2xvi—B2—K2i131.2 (5)
O1i—K2—B1i23.25 (13)O5—B2—K495.9 (4)
O4iv—K2—B1i73.52 (15)O4—B2—K453.4 (3)
O4vii—K2—B1i94.52 (15)O2xvi—B2—K4119.7 (4)
O5viii—K2—B1i98.70 (14)K2i—B2—K491.89 (18)
O5—K2—B1i86.10 (13)O5—B2—K254.4 (4)
O2vi—K2—B1i156.93 (13)O4—B2—K2124.5 (4)
O2i—K2—B1i24.44 (13)O2xvi—B2—K289.9 (5)
B1vi—K2—B1i167.0 (3)K2i—B2—K2137.54 (19)
O1vi—K2—B3iv92.39 (9)K4—B2—K271.26 (16)
O1i—K2—B3iv92.39 (9)O4xvii—B3—O4109.3 (7)
O4iv—K2—B3iv24.84 (9)O4xvii—B3—O3xvi108.1 (2)
O4vii—K2—B3iv24.84 (9)O4—B3—O3xvi111.4 (2)
O5viii—K2—B3iv111.65 (9)O4xvii—B3—O3xii111.4 (2)
O5—K2—B3iv111.65 (9)O4—B3—O3xii108.1 (2)
O2vi—K2—B3iv92.45 (10)O3xvi—B3—O3xii108.3 (6)
O2i—K2—B3iv92.45 (10)O4xvii—B3—K3xvi125.3 (3)
B1vi—K2—B3iv83.52 (13)O4—B3—K3xvi125.3 (3)
B1i—K2—B3iv83.52 (13)O3xvi—B3—K3xvi54.2 (3)
O1vi—K2—B2iv107.16 (14)O3xii—B3—K3xvi54.2 (3)
O1i—K2—B2iv76.51 (14)O4xvii—B3—K2i54.7 (3)
O4iv—K2—B2iv21.58 (13)O4—B3—K2i54.7 (3)
O4vii—K2—B2iv65.50 (14)O3xvi—B3—K2i125.8 (3)
O5viii—K2—B2iv153.52 (15)O3xii—B3—K2i125.8 (3)
O5—K2—B2iv69.61 (13)K3xvi—B3—K2i180.00 (8)
O2vi—K2—B2iv77.85 (14)O4xvii—B3—K4xviii56.92 (18)
O2i—K2—B2iv105.89 (14)O4—B3—K4xviii129.4 (3)
B1vi—K2—B2iv86.30 (17)O3xvi—B3—K4xviii51.34 (16)
B1i—K2—B2iv84.10 (16)O3xii—B3—K4xviii122.3 (3)
B3iv—K2—B2iv42.20 (11)K3xvi—B3—K4xviii85.56 (14)
O3iv—K3—O3ix51.77 (16)K2i—B3—K4xviii94.44 (14)
O3iv—K3—O3x124.85 (17)O4xvii—B3—K4129.4 (3)
O3ix—K3—O3x102.38 (10)O4—B3—K456.92 (18)
O3iv—K3—O3xi128.21 (17)O3xvi—B3—K4122.3 (3)
O3ix—K3—O3xi102.38 (10)O3xii—B3—K451.34 (16)
O3x—K3—O3xi102.38 (9)K3xvi—B3—K485.56 (14)
O3iv—K3—O3102.38 (10)K2i—B3—K494.44 (14)
O3ix—K3—O3128.21 (17)K4xviii—B3—K4171.1 (3)
O3x—K3—O351.77 (16)B1—O1—Dy2143.3 (4)
O3xi—K3—O3124.85 (17)B1—O1—K2iv99.6 (3)
O3iv—K3—O3i102.38 (10)Dy2—O1—K2iv101.14 (14)
O3ix—K3—O3i124.85 (17)B1—O1—K4iv98.5 (4)
O3x—K3—O3i128.21 (17)Dy2—O1—K4iv109.98 (14)
O3xi—K3—O3i51.77 (16)K2iv—O1—K4iv93.60 (13)
O3—K3—O3i102.38 (9)B1—O2—B2xix121.8 (5)
O3iv—K3—B1ix68.56 (14)B1—O2—K4iv80.6 (4)
O3ix—K3—B1ix23.94 (15)B2xix—O2—K4iv136.3 (5)
O3x—K3—B1ix107.87 (14)B1—O2—K2iv79.3 (3)
O3xi—K3—B1ix78.44 (15)B2xix—O2—K2iv137.8 (4)
O3—K3—B1ix149.17 (15)K4iv—O2—K2iv78.70 (11)
O3i—K3—B1ix108.31 (15)B1—O3—B3xix124.5 (4)
O3iv—K3—B1x108.31 (15)B1—O3—K3102.5 (3)
O3ix—K3—B1x78.44 (15)B3xix—O3—K399.9 (3)
O3x—K3—B1x23.94 (15)B1—O3—K4i112.0 (3)
O3xi—K3—B1x107.87 (14)B3xix—O3—K4i104.3 (2)
O3—K3—B1x68.56 (14)K3—O3—K4i113.07 (14)
O3i—K3—B1x149.17 (15)B2—O4—B3124.6 (4)
B1ix—K3—B1x85.94 (15)B2—O4—K2i107.9 (4)
O3iv—K3—B1iv23.94 (15)B3—O4—K2i100.5 (3)
O3ix—K3—B1iv68.56 (14)B2—O4—K4104.8 (4)
O3x—K3—B1iv108.31 (15)B3—O4—K498.3 (2)
O3xi—K3—B1iv149.17 (15)K2i—O4—K4122.21 (14)
O3—K3—B1iv78.44 (15)B2—O5—Dy2131.0 (4)
O3i—K3—B1iv107.88 (14)B2—O5—Dy1120.8 (4)
B1ix—K3—B1iv89.4 (2)Dy2—O5—Dy191.43 (14)
B1x—K3—B1iv99.2 (2)B2—O5—K2104.2 (4)
O3iv—K3—B1i78.44 (15)Dy2—O5—K293.86 (14)
O3ix—K3—B1i108.31 (15)Dy1—O5—K2112.75 (15)
O3x—K3—B1i149.18 (15)
Symmetry codes: (i) x+y, x+1, z; (ii) xy+2/3, y+4/3, z+1/3; (iii) y1/3, x+1/3, z+1/3; (iv) y+1, xy+1, z; (v) x+2/3, x+y+1/3, z+1/3; (vi) y2/3, x1/3, z+2/3; (vii) x+1/3, x+y1/3, z+2/3; (viii) xy+1/3, y+2/3, z+2/3; (ix) x+2/3, x+y+1/3, z+4/3; (x) y1/3, x+1/3, z+4/3; (xi) xy+2/3, y+4/3, z+4/3; (xii) y1, x, z+1; (xiii) xy, y+1, z+1; (xiv) x, x+y, z+1; (xv) y+2/3, xy+4/3, z+1/3; (xvi) x2/3, y1/3, z1/3; (xvii) y2/3, x+2/3, z+2/3; (xviii) x+y2/3, x+2/3, z1/3; (xix) x+2/3, y+1/3, z+1/3.
 

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