Download citation
Download citation
link to html
Designing new functional materials with increasingly complex compositions is of current inter­est in science and technology. Complex rare-earth-based chalcogenides have specific thermal, electrical, magnetic and optical properties. Tetra­gadolinium bis­[tetra­oxidosilicate(IV)] oxide telluride, Gd4(SiO4)2OTe, was obtained accidentally while studying the Gd2Te3-Cu2Te system. The crystal structure was determined by means of single-crystal X-ray diffraction. The compound crystallizes in the space group Pnma. Three symmetry-independent gadolinium sites were determined. The excitation and emission spectra were collected at room temperature and at 10 K. Gd4(SiO4)2OTe appears to be a promising optical material when doped with rare-earth ions.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S2053229615011651/fp3011sup1.cif
Contains datablock I

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S2053229615011651/fp3011Isup2.hkl
Contains datablock I

CCDC reference: 1407063

Computing details top

Data collection: CrysAlis CCD (Oxford Diffraction, 2007); cell refinement: CrysAlis CCD (Oxford Diffraction, 2007); data reduction: CrysAlis RED (Oxford Diffraction, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: DIAMOND (Brandenburg, 2009); software used to prepare material for publication: SHELXL2014 (Sheldrick, 2015) and PLATON (Spek, 2009).

Tetragadolinium bis[tetraoxidosilicate(IV)] oxide telluride top
Crystal data top
Gd4(SiO4)2OTeDx = 6.874 Mg m3
Mr = 956.78Mo Kα radiation, λ = 0.71073 Å
Orthorhombic, PnmaCell parameters from 1062 reflections
a = 12.4953 (10) Åθ = 3.3–25.4°
b = 10.8683 (8) ŵ = 31.70 mm1
c = 6.8075 (5) ÅT = 295 K
V = 924.48 (12) Å3Prism, colourless
Z = 40.06 × 0.05 × 0.04 mm
F(000) = 1632
Data collection top
Kuma KM-4 with a CCD area detector
diffractometer
1201 independent reflections
Radiation source: fine-focus sealed tube1062 reflections with I > 2σ(I)
Detector resolution: 1024x1024 with blocks 2x2, 33.133pixel/mm pixels mm-1Rint = 0.064
ω scanθmax = 28.3°, θmin = 3.3°
Absorption correction: numerical
(CrysAlis CCD; Oxford Diffraction, 2007)
h = 1616
Tmin = 0.085, Tmax = 0.214k = 1414
9582 measured reflectionsl = 99
Refinement top
Refinement on F20 restraints
Least-squares matrix: full w = 1/[σ2(Fo2) + (0.0125P)2]
where P = (Fo2 + 2Fc2)/3
R[F2 > 2σ(F2)] = 0.020(Δ/σ)max < 0.001
wR(F2) = 0.039Δρmax = 1.36 e Å3
S = 1.10Δρmin = 1.48 e Å3
1201 reflectionsExtinction correction: SHELXL2014 (Sheldrick, 2015), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
80 parametersExtinction coefficient: 0.00510 (11)
Special details top

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

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Gd10.56570 (3)0.75000.04367 (6)0.00719 (11)
Gd20.59704 (3)0.25000.48120 (6)0.00691 (11)
Gd30.80750 (2)0.45060 (3)0.23151 (4)0.00745 (9)
Te10.76034 (4)0.75000.37997 (8)0.01052 (14)
Si10.56382 (12)0.49794 (15)0.2519 (2)0.0052 (3)
O10.7812 (4)0.25000.3591 (8)0.0068 (12)
O20.4889 (3)0.6168 (3)0.2898 (6)0.0086 (8)
O30.4893 (3)0.3742 (3)0.2384 (5)0.0060 (8)
O40.6387 (3)0.5303 (3)0.0633 (6)0.0074 (8)
O50.6505 (3)0.4604 (3)0.4237 (5)0.0051 (8)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Gd10.0103 (2)0.0057 (2)0.0056 (2)0.0000.00099 (16)0.000
Gd20.0092 (2)0.0054 (2)0.0061 (2)0.0000.00067 (16)0.000
Gd30.00635 (16)0.01098 (16)0.00501 (16)0.00141 (11)0.00041 (11)0.00164 (11)
Te10.0132 (3)0.0090 (3)0.0094 (3)0.0000.0017 (2)0.000
Si10.0046 (8)0.0059 (7)0.0052 (8)0.0003 (6)0.0003 (6)0.0005 (6)
O10.011 (3)0.005 (3)0.004 (3)0.0000.001 (2)0.000
O20.010 (2)0.006 (2)0.010 (2)0.0036 (16)0.0046 (18)0.0022 (16)
O30.0052 (19)0.006 (2)0.007 (2)0.0002 (15)0.0022 (16)0.0004 (15)
O40.0079 (19)0.0069 (18)0.007 (2)0.0004 (16)0.0017 (17)0.0022 (15)
O50.0036 (19)0.0087 (18)0.0032 (18)0.0000 (15)0.0000 (16)0.0016 (15)
Geometric parameters (Å, º) top
Gd1—O1i2.289 (5)Gd3—O12.370 (2)
Gd1—O22.414 (4)Gd3—O3x2.427 (4)
Gd1—O2ii2.414 (4)Gd3—O42.552 (4)
Gd1—O3iii2.445 (4)Gd3—O2x2.901 (4)
Gd1—O3iv2.445 (4)Gd3—Si13.0911 (16)
Gd1—O42.559 (4)Gd3—Si1x3.2459 (16)
Gd1—O4ii2.559 (4)Gd3—Te1i3.3464 (5)
Gd1—Si13.0844 (16)Gd3—Gd1ix3.4321 (4)
Gd1—Si1ii3.0844 (16)Gd3—Te13.4579 (4)
Gd1—Te13.3401 (7)Te1—Gd2i3.2473 (7)
Gd1—Gd3i3.4321 (4)Te1—Gd3xi3.3464 (5)
Gd1—Gd3v3.4321 (4)Te1—Gd3ix3.3464 (5)
Gd2—O2vi2.383 (4)Te1—Gd3ii3.4579 (4)
Gd2—O2vii2.383 (4)Si1—O21.616 (4)
Gd2—O52.414 (3)Si1—O41.627 (4)
Gd2—O5viii2.414 (3)Si1—O31.639 (4)
Gd2—O12.447 (5)Si1—O51.646 (4)
Gd2—O32.523 (4)Si1—Gd3xii3.2459 (16)
Gd2—O3viii2.523 (4)O1—Gd1ix2.289 (5)
Gd2—Si1viii3.1418 (16)O1—Gd3viii2.370 (2)
Gd2—Si13.1418 (16)O2—Gd2vi2.383 (4)
Gd2—Te1ix3.2473 (7)O2—Gd3xii2.901 (4)
Gd2—Gd3viii3.8155 (5)O3—Gd3xii2.427 (4)
Gd2—Gd33.8155 (5)O3—Gd1iii2.445 (4)
Gd3—O52.360 (4)O4—Gd3i2.366 (4)
Gd3—O4ix2.366 (4)O5—Gd3ix2.367 (4)
Gd3—O5i2.367 (4)
O1i—Gd1—O2135.52 (12)O4ix—Gd3—O176.72 (15)
O1i—Gd1—O2ii135.52 (12)O5i—Gd3—O1136.99 (15)
O2—Gd1—O2ii73.74 (17)O5—Gd3—O3x138.27 (12)
O1i—Gd1—O3iii78.67 (14)O4ix—Gd3—O3x71.54 (13)
O2—Gd1—O3iii95.87 (12)O5i—Gd3—O3x90.41 (12)
O2ii—Gd1—O3iii139.86 (13)O1—Gd3—O3x77.52 (15)
O1i—Gd1—O3iv78.67 (14)O5—Gd3—O463.03 (13)
O2—Gd1—O3iv139.86 (13)O4ix—Gd3—O4129.33 (11)
O2ii—Gd1—O3iv95.87 (12)O5i—Gd3—O469.35 (13)
O3iii—Gd1—O3iv66.99 (17)O1—Gd3—O4111.23 (15)
O1i—Gd1—O474.39 (9)O3x—Gd3—O4158.08 (12)
O2—Gd1—O462.98 (12)O5—Gd3—O2x130.45 (11)
O2ii—Gd1—O4131.71 (12)O4ix—Gd3—O2x76.76 (12)
O3iii—Gd1—O468.05 (12)O5i—Gd3—O2x61.85 (12)
O3iv—Gd1—O4130.98 (12)O1—Gd3—O2x134.37 (14)
O1i—Gd1—O4ii74.39 (9)O3x—Gd3—O2x59.09 (11)
O2—Gd1—O4ii131.71 (12)O4—Gd3—O2x114.33 (11)
O2ii—Gd1—O4ii62.99 (12)O5—Gd3—Si131.68 (9)
O3iii—Gd1—O4ii130.98 (12)O4ix—Gd3—Si1102.87 (10)
O3iv—Gd1—O4ii68.05 (12)O5i—Gd3—Si1100.96 (9)
O4—Gd1—O4ii137.79 (17)O1—Gd3—Si190.00 (13)
O1i—Gd1—Si1104.99 (6)O3x—Gd3—Si1167.15 (9)
O2—Gd1—Si131.26 (9)O4—Gd3—Si131.72 (9)
O2ii—Gd1—Si1102.18 (9)O2x—Gd3—Si1131.92 (8)
O3iii—Gd1—Si182.45 (9)O5—Gd3—Si1x142.53 (9)
O3iv—Gd1—Si1148.08 (9)O4ix—Gd3—Si1x70.87 (10)
O4—Gd1—Si131.81 (9)O5i—Gd3—Si1x75.36 (10)
O4ii—Gd1—Si1143.84 (9)O1—Gd3—Si1x105.66 (13)
O1i—Gd1—Si1ii104.99 (6)O3x—Gd3—Si1x29.30 (9)
O2—Gd1—Si1ii102.18 (9)O4—Gd3—Si1x141.03 (9)
O2ii—Gd1—Si1ii31.26 (9)O2x—Gd3—Si1x29.81 (8)
O3iii—Gd1—Si1ii148.08 (9)Si1—Gd3—Si1x160.74 (6)
O3iv—Gd1—Si1ii82.45 (9)O5—Gd3—Te1i102.43 (9)
O4—Gd1—Si1ii143.84 (9)O4ix—Gd3—Te1i144.28 (8)
O4ii—Gd1—Si1ii31.81 (9)O5i—Gd3—Te1i71.90 (9)
Si1—Gd1—Si1ii125.29 (6)O1—Gd3—Te1i68.13 (12)
O1i—Gd1—Te176.57 (13)O3x—Gd3—Te1i94.27 (8)
O2—Gd1—Te179.28 (10)O4—Gd3—Te1i71.99 (8)
O2ii—Gd1—Te179.28 (10)O2x—Gd3—Te1i124.59 (8)
O3iii—Gd1—Te1137.96 (9)Si1—Gd3—Te1i83.74 (3)
O3iv—Gd1—Te1137.96 (9)Si1x—Gd3—Te1i112.22 (3)
O4—Gd1—Te172.83 (9)O5—Gd3—Gd1ix93.96 (9)
O4ii—Gd1—Te172.83 (9)O4ix—Gd3—Gd1ix48.19 (9)
Si1—Gd1—Te171.98 (3)O5i—Gd3—Gd1ix134.86 (9)
Si1ii—Gd1—Te171.98 (3)O1—Gd3—Gd1ix41.64 (13)
O1i—Gd1—Gd3i43.47 (5)O3x—Gd3—Gd1ix45.43 (8)
O2—Gd1—Gd3i103.43 (9)O4—Gd3—Gd1ix151.06 (8)
O2ii—Gd1—Gd3i174.01 (10)O2x—Gd3—Gd1ix93.77 (7)
O3iii—Gd1—Gd3i45.00 (9)Si1—Gd3—Gd1ix122.19 (3)
O3iv—Gd1—Gd3i89.66 (9)Si1x—Gd3—Gd1ix67.89 (3)
O4—Gd1—Gd3i43.55 (8)Te1i—Gd3—Gd1ix98.387 (12)
O4ii—Gd1—Gd3i117.41 (9)O5—Gd3—Te169.76 (8)
Si1—Gd1—Gd3i73.97 (3)O4ix—Gd3—Te171.75 (9)
Si1ii—Gd1—Gd3i148.45 (3)O5i—Gd3—Te184.95 (8)
Te1—Gd1—Gd3i95.062 (14)O1—Gd3—Te1137.31 (12)
O1i—Gd1—Gd3v43.47 (5)O3x—Gd3—Te1117.19 (9)
O2—Gd1—Gd3v174.01 (10)O4—Gd3—Te170.78 (8)
O2ii—Gd1—Gd3v103.43 (9)O2x—Gd3—Te164.02 (7)
O3iii—Gd1—Gd3v89.66 (9)Si1—Gd3—Te170.27 (3)
O3iv—Gd1—Gd3v45.00 (9)Si1x—Gd3—Te190.50 (3)
O4—Gd1—Gd3v117.41 (9)Te1i—Gd3—Te1141.163 (14)
O4ii—Gd1—Gd3v43.55 (9)Gd1ix—Gd3—Te1119.701 (14)
Si1—Gd1—Gd3v148.45 (3)Gd2i—Te1—Gd180.016 (17)
Si1ii—Gd1—Gd3v73.97 (3)Gd2i—Te1—Gd3xi137.461 (10)
Te1—Gd1—Gd3v95.062 (14)Gd1—Te1—Gd3xi107.801 (15)
Gd3i—Gd1—Gd3v78.873 (14)Gd2i—Te1—Gd3ix137.461 (10)
O2vi—Gd2—O2vii74.84 (18)Gd1—Te1—Gd3ix107.801 (15)
O2vi—Gd2—O569.83 (12)Gd3xi—Te1—Gd3ix81.309 (16)
O2vii—Gd2—O5143.73 (12)Gd2i—Te1—Gd370.255 (10)
O2vi—Gd2—O5viii143.73 (12)Gd1—Te1—Gd385.627 (11)
O2vii—Gd2—O5viii69.83 (12)Gd3xi—Te1—Gd3149.911 (17)
O5—Gd2—O5viii142.59 (17)Gd3ix—Te1—Gd368.844 (6)
O2vi—Gd2—O1130.23 (12)Gd2i—Te1—Gd3ii70.255 (10)
O2vii—Gd2—O1130.23 (12)Gd1—Te1—Gd3ii85.627 (11)
O5—Gd2—O171.62 (9)Gd3xi—Te1—Gd3ii68.844 (6)
O5viii—Gd2—O171.62 (9)Gd3ix—Te1—Gd3ii149.911 (17)
O2vi—Gd2—O382.14 (12)Gd3—Te1—Gd3ii140.45 (2)
O2vii—Gd2—O3120.87 (13)O2—Si1—O4106.6 (2)
O5—Gd2—O362.29 (12)O2—Si1—O3109.6 (2)
O5viii—Gd2—O3123.23 (12)O4—Si1—O3117.4 (2)
O1—Gd2—O3106.22 (14)O2—Si1—O5117.8 (2)
O2vi—Gd2—O3viii120.87 (13)O4—Si1—O5103.7 (2)
O2vii—Gd2—O3viii82.14 (12)O3—Si1—O5102.14 (19)
O5—Gd2—O3viii123.23 (12)O2—Si1—Gd150.81 (14)
O5viii—Gd2—O3viii62.29 (12)O4—Si1—Gd156.01 (13)
O1—Gd2—O3viii106.22 (14)O3—Si1—Gd1135.04 (15)
O3—Gd2—O3viii64.65 (16)O5—Si1—Gd1122.82 (14)
O2vi—Gd2—Si1viii141.88 (10)O2—Si1—Gd3135.32 (16)
O2vii—Gd2—Si1viii75.19 (9)O4—Si1—Gd355.55 (14)
O5—Gd2—Si1viii140.21 (9)O3—Si1—Gd3114.89 (15)
O5viii—Gd2—Si1viii31.08 (9)O5—Si1—Gd348.87 (13)
O1—Gd2—Si1viii87.44 (7)Gd1—Si1—Gd396.88 (4)
O3—Gd2—Si1viii93.59 (9)O2—Si1—Gd2133.05 (15)
O3viii—Gd2—Si1viii31.28 (9)O4—Si1—Gd2120.11 (15)
O2vi—Gd2—Si175.19 (9)O3—Si1—Gd253.05 (13)
O2vii—Gd2—Si1141.88 (10)O5—Si1—Gd249.24 (13)
O5—Gd2—Si131.08 (9)Gd1—Si1—Gd2171.52 (6)
O5viii—Gd2—Si1140.21 (9)Gd3—Si1—Gd275.49 (4)
O1—Gd2—Si187.44 (7)O2—Si1—Gd3xii63.20 (15)
O3—Gd2—Si131.27 (9)O4—Si1—Gd3xii128.98 (16)
O3viii—Gd2—Si193.59 (9)O3—Si1—Gd3xii46.44 (14)
Si1viii—Gd2—Si1118.12 (6)O5—Si1—Gd3xii125.82 (15)
O2vi—Gd2—Te1ix72.56 (10)Gd1—Si1—Gd3xii99.46 (4)
O2vii—Gd2—Te1ix72.56 (10)Gd3—Si1—Gd3xii161.29 (6)
O5—Gd2—Te1ix89.07 (9)Gd2—Si1—Gd3xii88.69 (4)
O5viii—Gd2—Te1ix89.07 (9)Gd1ix—O1—Gd3viii94.89 (14)
O1—Gd2—Te1ix76.58 (13)Gd1ix—O1—Gd394.89 (14)
O3—Gd2—Te1ix147.20 (8)Gd3viii—O1—Gd3133.9 (2)
O3viii—Gd2—Te1ix147.20 (8)Gd1ix—O1—Gd2126.8 (2)
Si1viii—Gd2—Te1ix119.20 (3)Gd3viii—O1—Gd2104.77 (13)
Si1—Gd2—Te1ix119.20 (3)Gd3—O1—Gd2104.77 (13)
O2vi—Gd2—Gd3viii161.63 (10)Si1—O2—Gd2vi148.3 (2)
O2vii—Gd2—Gd3viii104.75 (9)Si1—O2—Gd197.94 (18)
O5—Gd2—Gd3viii106.16 (9)Gd2vi—O2—Gd1105.58 (14)
O5viii—Gd2—Gd3viii36.47 (9)Si1—O2—Gd3xii86.99 (16)
O1—Gd2—Gd3viii36.91 (4)Gd2vi—O2—Gd3xii93.38 (12)
O3—Gd2—Gd3viii112.43 (8)Gd1—O2—Gd3xii130.51 (15)
O3viii—Gd2—Gd3viii76.73 (9)Si1—O3—Gd3xii104.25 (18)
Si1viii—Gd2—Gd3viii51.65 (3)Si1—O3—Gd1iii131.04 (19)
Si1—Gd2—Gd3viii111.09 (3)Gd3xii—O3—Gd1iii89.57 (12)
Te1ix—Gd2—Gd3viii89.665 (13)Si1—O3—Gd295.67 (17)
O2vi—Gd2—Gd3104.75 (9)Gd3xii—O3—Gd2128.84 (15)
O2vii—Gd2—Gd3161.63 (10)Gd1iii—O3—Gd2111.67 (14)
O5—Gd2—Gd336.47 (9)Si1—O4—Gd3i159.4 (2)
O5viii—Gd2—Gd3106.16 (9)Si1—O4—Gd392.73 (17)
O1—Gd2—Gd336.91 (4)Gd3i—O4—Gd3102.90 (14)
O3—Gd2—Gd376.73 (9)Si1—O4—Gd192.18 (17)
O3viii—Gd2—Gd3112.43 (8)Gd3i—O4—Gd188.27 (12)
Si1viii—Gd2—Gd3111.09 (3)Gd3—O4—Gd1129.39 (15)
Si1—Gd2—Gd351.65 (3)Si1—O5—Gd399.45 (18)
Te1ix—Gd2—Gd389.665 (13)Si1—O5—Gd3ix132.37 (19)
Gd3viii—Gd2—Gd369.696 (12)Gd3—O5—Gd3ix108.95 (15)
O5—Gd3—O4ix72.74 (14)Si1—O5—Gd299.68 (17)
O5—Gd3—O5i131.04 (8)Gd3—O5—Gd2106.09 (13)
O4ix—Gd3—O5i138.27 (13)Gd3ix—O5—Gd2107.76 (14)
O5—Gd3—O173.92 (14)
O4—Si1—O2—Gd2vi142.7 (4)O2—Si1—O4—Gd3i86.5 (6)
O3—Si1—O2—Gd2vi89.3 (4)O3—Si1—O4—Gd3i36.8 (7)
O5—Si1—O2—Gd2vi26.8 (5)O5—Si1—O4—Gd3i148.5 (6)
Gd1—Si1—O2—Gd2vi137.9 (5)Gd1—Si1—O4—Gd3i90.9 (6)
Gd3—Si1—O2—Gd2vi85.2 (5)Gd3—Si1—O4—Gd3i139.5 (7)
Gd2—Si1—O2—Gd2vi32.0 (5)Gd2—Si1—O4—Gd3i98.0 (6)
Gd3xii—Si1—O2—Gd2vi91.6 (4)Gd3xii—Si1—O4—Gd3i17.8 (7)
O4—Si1—O2—Gd14.7 (2)O2—Si1—O4—Gd3134.02 (17)
O3—Si1—O2—Gd1132.76 (17)O3—Si1—O4—Gd3102.7 (2)
O5—Si1—O2—Gd1111.1 (2)O5—Si1—O4—Gd39.04 (17)
Gd3—Si1—O2—Gd152.8 (2)Gd1—Si1—O4—Gd3129.61 (16)
Gd2—Si1—O2—Gd1169.96 (9)Gd2—Si1—O4—Gd341.48 (16)
Gd3xii—Si1—O2—Gd1130.49 (17)Gd3xii—Si1—O4—Gd3157.28 (9)
O4—Si1—O2—Gd3xii125.78 (16)O2—Si1—O4—Gd14.4 (2)
O3—Si1—O2—Gd3xii2.26 (18)O3—Si1—O4—Gd1127.72 (18)
O5—Si1—O2—Gd3xii118.36 (19)O5—Si1—O4—Gd1120.58 (16)
Gd1—Si1—O2—Gd3xii130.49 (17)Gd3—Si1—O4—Gd1129.61 (16)
Gd3—Si1—O2—Gd3xii176.73 (11)Gd2—Si1—O4—Gd1171.10 (7)
Gd2—Si1—O2—Gd3xii59.5 (2)Gd3xii—Si1—O4—Gd173.10 (17)
O2—Si1—O3—Gd3xii2.8 (2)O2—Si1—O5—Gd3127.37 (19)
O4—Si1—O3—Gd3xii119.0 (2)O4—Si1—O5—Gd39.90 (19)
O5—Si1—O3—Gd3xii128.43 (17)O3—Si1—O5—Gd3112.56 (17)
Gd1—Si1—O3—Gd3xii50.9 (2)Gd1—Si1—O5—Gd368.04 (16)
Gd3—Si1—O3—Gd3xii178.50 (7)Gd2—Si1—O5—Gd3108.27 (17)
Gd2—Si1—O3—Gd3xii132.50 (19)Gd3xii—Si1—O5—Gd3157.00 (8)
O2—Si1—O3—Gd1iii105.0 (3)O2—Si1—O5—Gd3ix0.7 (4)
O4—Si1—O3—Gd1iii16.8 (4)O4—Si1—O5—Gd3ix116.8 (3)
O5—Si1—O3—Gd1iii129.4 (3)O3—Si1—O5—Gd3ix120.8 (3)
Gd1—Si1—O3—Gd1iii51.3 (4)Gd1—Si1—O5—Gd3ix58.6 (3)
Gd3—Si1—O3—Gd1iii79.3 (3)Gd3—Si1—O5—Gd3ix126.7 (3)
Gd2—Si1—O3—Gd1iii125.3 (3)Gd2—Si1—O5—Gd3ix125.1 (3)
Gd3xii—Si1—O3—Gd1iii102.2 (3)Gd3xii—Si1—O5—Gd3ix76.3 (3)
O2—Si1—O3—Gd2129.71 (18)O2—Si1—O5—Gd2124.4 (2)
O4—Si1—O3—Gd2108.5 (2)O4—Si1—O5—Gd2118.17 (17)
O5—Si1—O3—Gd24.07 (19)O3—Si1—O5—Gd24.3 (2)
Gd1—Si1—O3—Gd2176.65 (10)Gd1—Si1—O5—Gd2176.31 (7)
Gd3—Si1—O3—Gd246.01 (15)Gd3—Si1—O5—Gd2108.27 (17)
Gd3xii—Si1—O3—Gd2132.50 (19)Gd3xii—Si1—O5—Gd248.73 (19)
Symmetry codes: (i) x+3/2, y+1, z1/2; (ii) x, y+3/2, z; (iii) x+1, y+1, z; (iv) x+1, y+1/2, z; (v) x+3/2, y+1/2, z1/2; (vi) x+1, y+1, z+1; (vii) x+1, y1/2, z+1; (viii) x, y+1/2, z; (ix) x+3/2, y+1, z+1/2; (x) x+1/2, y, z+1/2; (xi) x+3/2, y+1/2, z+1/2; (xii) x1/2, y, z+1/2.
 

Follow Acta Cryst. C
Sign up for e-alerts
Follow Acta Cryst. on Twitter
Follow us on facebook
Sign up for RSS feeds