The ternary compound tetrathallium diniobium undecaselenide, Tl4Nb2Se11, was prepared by a molten flux method from a melt of Tl2Se, elemental Se and Nb. The structure is composed of discrete Tl+ cations and complex [Nb2Se11]4- anions. In the anion, the two crystallographically independent Nb atoms are sevenfold coordinated by Se atoms to form a distorted pentagonal bipyramid. Two NbSe7 polyhedra have a face in common, thus yielding the [Nb2Se11]4- unit. The crystal structure of Tl4Nb2Se11 is isotypic with the structure of the homologous tantalum compound Tl4Ta2Se11 [Teske et al. (2002). Z. Anorg. Allg. Chem. 628, 2651-2655], which was the first polyselenide with discrete complex [M2Se11]4- anions.
Supporting information
Key indicators
- Single-crystal X-ray study
- T = 295 K
- Mean (e-Se)= 0.003 Å
- R factor = 0.055
- wR factor = 0.161
- Data-to-parameter ratio = 29.5
checkCIF/PLATON results
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Data collection: DIF4 (Stoe & Cie, 1992); cell refinement: DIF4; data reduction: REDU4 (Stoe & Cie, 1992); program(s) used to solve structure: coordinates taken from the isotypic Ta compound; program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: DIAMOND (Crystal Impact, 1999); software used to prepare material for publication: SHELXL97.
tetrathallium diniobium undecaselenide
top
Crystal data top
Tl4Nb2Se11 | Z = 2 |
Mr = 1871.86 | F(000) = 1560 |
Triclinic, P1 | Dx = 6.555 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 7.974 (4) Å | Cell parameters from 70 reflections |
b = 9.147 (5) Å | θ = 10–25° |
c = 13.626 (7) Å | µ = 56.11 mm−1 |
α = 73.11 (4)° | T = 295 K |
β = 89.26 (4)° | Column, black |
γ = 85.76 (6)° | 0.24 × 0.16 × 0.12 mm |
V = 948.4 (9) Å3 | |
Data collection top
Philips PW1100 four-circle diffractometer | 3582 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.092 |
Graphite monochromator | θmax = 28.0°, θmin = 2.3° |
ω/θ scans | h = 0→10 |
Absorption correction: numerical [X-SHAPE (Stoe & Cie, 1998) and X-RED (Stoe & Cie, 1998)] | k = −12→12 |
Tmin = 0.005, Tmax = 0.035 | l = −17→17 |
4895 measured reflections | 3 standard reflections every 120 min |
4572 independent reflections | intensity decay: none |
Refinement top
Refinement on F2 | Primary atom site location: isomorphous structure methods |
Least-squares matrix: full | w = 1/[σ2(Fo2) + (0.1091P)2 + 9.5978P] where P = (Fo2 + 2Fc2)/3 |
R[F2 > 2σ(F2)] = 0.055 | (Δ/σ)max = 0.011 |
wR(F2) = 0.161 | Δρmax = 5.28 e Å−3 |
S = 1.07 | Δρmin = −4.33 e Å−3 |
4572 reflections | Extinction correction: SHELXL97, Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
155 parameters | Extinction coefficient: 0.0021 (2) |
0 restraints | |
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. |
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor
wR and goodness of fit S are based on F2, conventional
R-factors R are based on F, with F set to zero for
negative F2. The threshold expression of F2 >
σ(F2) is used only for calculating R-factors(gt) etc.
and is not relevant to the choice of reflections for refinement.
R-factors based on F2 are statistically about twice as large
as those based on F, and R- factors based on ALL data will be
even larger. |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top | x | y | z | Uiso*/Ueq | |
Tl1 | 0.05580 (9) | 0.75940 (9) | 0.98206 (6) | 0.0342 (2) | |
Tl2 | 0.21340 (9) | 0.97435 (9) | 0.57114 (6) | 0.0319 (2) | |
Tl3 | 0.50978 (10) | 0.28359 (9) | 0.88359 (6) | 0.0343 (2) | |
Tl4 | 0.24589 (9) | 0.41602 (9) | 0.58261 (6) | 0.0325 (2) | |
Nb1 | 0.33843 (16) | 0.10590 (15) | 0.18896 (11) | 0.0152 (3) | |
Nb2 | 0.12052 (16) | 0.36737 (15) | 0.30376 (11) | 0.0153 (3) | |
Se1 | 0.2724 (2) | 0.03599 (19) | 0.03726 (13) | 0.0213 (3) | |
Se2 | 0.4498 (2) | 0.6912 (2) | 0.88028 (14) | 0.0232 (3) | |
Se3 | 0.26580 (19) | 0.40226 (17) | 0.10795 (12) | 0.0176 (3) | |
Se4 | 0.02682 (19) | 0.12801 (19) | 0.25065 (13) | 0.0204 (3) | |
Se5 | 0.3941 (2) | 0.0791 (2) | 0.75080 (15) | 0.0271 (4) | |
Se6 | 0.3521 (2) | 0.85032 (19) | 0.33575 (14) | 0.0268 (4) | |
Se7 | 0.4014 (2) | 0.4482 (2) | 0.35147 (14) | 0.0247 (4) | |
Se8 | 0.1266 (2) | 0.4910 (2) | 0.81518 (15) | 0.0267 (4) | |
Se9 | 0.0500 (2) | 0.66106 (19) | 0.24660 (14) | 0.0238 (3) | |
Se10 | 0.3948 (2) | 0.18285 (19) | 0.37424 (13) | 0.0209 (3) | |
Se11 | 0.0190 (2) | 0.7083 (2) | 0.53083 (13) | 0.0224 (3) | |
Atomic displacement parameters (Å2) top | U11 | U22 | U33 | U12 | U13 | U23 |
Tl1 | 0.0243 (3) | 0.0367 (4) | 0.0392 (4) | 0.0043 (3) | −0.0009 (3) | −0.0089 (3) |
Tl2 | 0.0268 (3) | 0.0348 (4) | 0.0327 (4) | −0.0090 (3) | 0.0044 (3) | −0.0059 (3) |
Tl3 | 0.0380 (4) | 0.0286 (4) | 0.0391 (4) | 0.0011 (3) | −0.0034 (3) | −0.0151 (3) |
Tl4 | 0.0244 (3) | 0.0360 (4) | 0.0380 (4) | 0.0053 (3) | −0.0031 (3) | −0.0139 (3) |
Nb1 | 0.0126 (5) | 0.0138 (6) | 0.0195 (6) | 0.0006 (4) | 0.0034 (5) | −0.0059 (5) |
Nb2 | 0.0133 (5) | 0.0156 (6) | 0.0178 (6) | −0.0013 (5) | 0.0037 (4) | −0.0065 (5) |
Se1 | 0.0191 (7) | 0.0233 (8) | 0.0245 (8) | 0.0010 (6) | 0.0023 (6) | −0.0122 (6) |
Se2 | 0.0169 (7) | 0.0251 (8) | 0.0308 (9) | −0.0072 (6) | 0.0097 (6) | −0.0121 (7) |
Se3 | 0.0198 (7) | 0.0155 (7) | 0.0173 (7) | −0.0005 (5) | 0.0033 (5) | −0.0050 (6) |
Se4 | 0.0156 (6) | 0.0230 (8) | 0.0263 (8) | −0.0067 (6) | 0.0088 (6) | −0.0122 (6) |
Se5 | 0.0203 (7) | 0.0282 (8) | 0.0342 (10) | 0.0083 (6) | −0.0028 (6) | −0.0133 (7) |
Se6 | 0.0307 (9) | 0.0201 (8) | 0.0273 (9) | −0.0006 (7) | 0.0018 (7) | −0.0038 (7) |
Se7 | 0.0186 (7) | 0.0298 (9) | 0.0296 (9) | −0.0078 (6) | 0.0026 (6) | −0.0133 (7) |
Se8 | 0.0203 (7) | 0.0287 (9) | 0.0318 (9) | 0.0003 (6) | −0.0050 (6) | −0.0102 (7) |
Se9 | 0.0274 (8) | 0.0188 (7) | 0.0266 (8) | 0.0001 (6) | 0.0021 (6) | −0.0093 (6) |
Se10 | 0.0184 (7) | 0.0236 (8) | 0.0193 (7) | 0.0031 (6) | 0.0020 (5) | −0.0052 (6) |
Se11 | 0.0218 (7) | 0.0251 (8) | 0.0212 (8) | −0.0023 (6) | 0.0080 (6) | −0.0081 (6) |
Geometric parameters (Å, º) top
Tl1—Se1i | 3.071 (3) | Nb1—Se6x | 2.594 (3) |
Tl1—Se4i | 3.099 (3) | Nb1—Se5viii | 2.606 (3) |
Tl1—Se8ii | 3.422 (3) | Nb1—Se4 | 2.625 (2) |
Tl1—Se1iii | 3.426 (3) | Nb1—Se3 | 2.636 (3) |
Tl1—Se9iv | 3.453 (3) | Nb1—Se10 | 2.860 (3) |
Tl1—Se3i | 3.459 (3) | Nb2—Se11i | 2.437 (3) |
Tl1—Se2 | 3.505 (3) | Nb2—Se7 | 2.559 (3) |
Tl1—Se3iv | 3.526 (3) | Nb2—Se7 | 2.559 (3) |
Tl1—Se8 | 3.811 (3) | Nb2—Se8i | 2.584 (3) |
Tl2—Se4i | 3.044 (2) | Nb2—Se9 | 2.591 (3) |
Tl2—Se11 | 3.160 (3) | Nb2—Se4 | 2.656 (2) |
Tl2—Se10v | 3.203 (3) | Nb2—Se10 | 2.669 (3) |
Tl2—Se5v | 3.263 (3) | Nb2—Se3 | 2.836 (3) |
Tl2—Se11vi | 3.274 (3) | Se1—Tl1i | 3.071 (3) |
Tl2—Se10vii | 3.340 (3) | Se1—Tl3viii | 3.193 (3) |
Tl2—Se6 | 3.825 (3) | Se1—Tl3xi | 3.297 (3) |
Tl3—Se5 | 3.144 (2) | Se2—Se3vii | 2.355 (3) |
Tl3—Se5 | 3.144 (2) | Se2—Nb1vii | 2.568 (3) |
Tl3—Se1viii | 3.193 (3) | Se3—Se2vii | 2.355 (3) |
Tl3—Se1iv | 3.297 (3) | Se4—Tl2i | 3.044 (2) |
Tl3—Se2ix | 3.313 (3) | Se4—Tl1i | 3.099 (3) |
Tl3—Se8 | 3.463 (3) | Se5—Se6vii | 2.365 (3) |
Tl3—Se7vii | 3.523 (3) | Se5—Nb1viii | 2.606 (3) |
Tl3—Se3vii | 3.526 (3) | Se5—Tl2x | 3.263 (3) |
Tl3—Se6vii | 3.673 (3) | Se6—Se5vii | 2.365 (3) |
Tl3—Se2 | 3.711 (3) | Se6—Nb1v | 2.594 (3) |
Tl4—Se11 | 3.024 (3) | Se7—Se10 | 2.361 (3) |
Tl4—Se11i | 3.099 (2) | Se8—Se9i | 2.373 (3) |
Tl4—Se9i | 3.261 (3) | Se8—Nb2i | 2.584 (3) |
Tl4—Se7 | 3.310 (3) | Se9—Se8i | 2.373 (3) |
Tl4—Se7vii | 3.389 (3) | Se9—Tl4i | 3.261 (3) |
Tl4—Se5 | 3.402 (3) | Se10—Se7 | 2.361 (3) |
Tl4—Se8 | 3.536 (3) | Se10—Tl2x | 3.203 (3) |
Tl4—Se6vii | 3.849 (3) | Se11—Nb2i | 2.437 (3) |
Nb1—Se1 | 2.409 (2) | Se11—Tl4i | 3.099 (2) |
Nb1—Se2vii | 2.568 (3) | Se11—Tl2vi | 3.274 (3) |
| | | |
Se1i—Tl1—Se4i | 74.75 (6) | Se11i—Tl4—Se5 | 98.80 (7) |
Se1i—Tl1—Se8ii | 86.60 (7) | Se9i—Tl4—Se5 | 76.42 (7) |
Se4i—Tl1—Se8ii | 132.67 (6) | Se7—Tl4—Se5 | 110.33 (7) |
Se1i—Tl1—Se1iii | 90.27 (6) | Se7vii—Tl4—Se5 | 84.31 (7) |
Se4i—Tl1—Se1iii | 106.93 (6) | Se11—Tl4—Se8 | 72.05 (6) |
Se8ii—Tl1—Se1iii | 116.43 (6) | Se11i—Tl4—Se8 | 117.85 (6) |
Se1i—Tl1—Se9iv | 92.37 (7) | Se9i—Tl4—Se8 | 40.61 (5) |
Se4i—Tl1—Se9iv | 166.54 (5) | Se7—Tl4—Se8 | 162.79 (5) |
Se8ii—Tl1—Se9iv | 40.38 (5) | Se7vii—Tl4—Se8 | 77.94 (6) |
Se1iii—Tl1—Se9iv | 76.48 (6) | Se5—Tl4—Se8 | 80.72 (6) |
Se1i—Tl1—Se3i | 69.64 (6) | Se11—Tl4—Se6vii | 158.56 (6) |
Se4i—Tl1—Se3i | 61.94 (6) | Se11i—Tl4—Se6vii | 114.66 (6) |
Se8ii—Tl1—Se3i | 70.84 (7) | Se9i—Tl4—Se6vii | 112.55 (6) |
Se1iii—Tl1—Se3i | 158.69 (5) | Se7—Tl4—Se6vii | 81.82 (6) |
Se9iv—Tl1—Se3i | 110.30 (6) | Se7vii—Tl4—Se6vii | 59.49 (6) |
Se1i—Tl1—Se2 | 148.13 (6) | Se5—Tl4—Se6vii | 37.43 (6) |
Se4i—Tl1—Se2 | 79.40 (7) | Se8—Tl4—Se6vii | 101.72 (6) |
Se8ii—Tl1—Se2 | 124.99 (7) | Se1—Nb1—Se2vii | 101.71 (8) |
Se1iii—Tl1—Se2 | 79.65 (6) | Se1—Nb1—Se6x | 104.79 (9) |
Se9iv—Tl1—Se2 | 114.06 (7) | Se2vii—Nb1—Se6x | 133.18 (9) |
Se3i—Tl1—Se2 | 113.55 (6) | Se1—Nb1—Se5viii | 98.90 (8) |
Se1i—Tl1—Se3iv | 145.92 (6) | Se2vii—Nb1—Se5viii | 84.29 (8) |
Se4i—Tl1—Se3iv | 124.45 (6) | Se6x—Nb1—Se5viii | 54.10 (8) |
Se8ii—Tl1—Se3iv | 59.52 (6) | Se1—Nb1—Se4 | 96.04 (8) |
Se1iii—Tl1—Se3iv | 107.27 (6) | Se2vii—Nb1—Se4 | 131.70 (8) |
Se9iv—Tl1—Se3iv | 64.96 (5) | Se6x—Nb1—Se4 | 82.81 (9) |
Se3i—Tl1—Se3iv | 93.71 (7) | Se5viii—Nb1—Se4 | 136.68 (9) |
Se2—Tl1—Se3iv | 65.47 (7) | Se1—Nb1—Se3 | 95.64 (8) |
Se1i—Tl1—Se8 | 120.25 (6) | Se2vii—Nb1—Se3 | 53.79 (7) |
Se4i—Tl1—Se8 | 59.19 (6) | Se6x—Nb1—Se3 | 154.63 (8) |
Se8ii—Tl1—Se8 | 97.52 (6) | Se5viii—Nb1—Se3 | 137.65 (9) |
Se1iii—Tl1—Se8 | 136.10 (5) | Se4—Nb1—Se3 | 80.19 (9) |
Se9iv—Tl1—Se8 | 127.40 (6) | Se1—Nb1—Se10 | 176.11 (8) |
Se3i—Tl1—Se8 | 56.42 (5) | Se2vii—Nb1—Se10 | 81.77 (8) |
Se2—Tl1—Se8 | 57.56 (6) | Se6x—Nb1—Se10 | 73.63 (8) |
Se3iv—Tl1—Se8 | 65.73 (6) | Se5viii—Nb1—Se10 | 83.10 (8) |
Se4i—Tl2—Se11 | 73.30 (6) | Se4—Nb1—Se10 | 80.27 (7) |
Se4i—Tl2—Se10v | 161.62 (5) | Se3—Nb1—Se10 | 85.00 (7) |
Se11—Tl2—Se10v | 114.85 (6) | Se11i—Nb2—Se7 | 102.07 (9) |
Se4i—Tl2—Se5v | 78.11 (7) | Se11i—Nb2—Se7 | 102.07 (9) |
Se11—Tl2—Se5v | 142.90 (6) | Se11i—Nb2—Se8i | 101.20 (9) |
Se10v—Tl2—Se5v | 99.61 (7) | Se7—Nb2—Se8i | 133.74 (9) |
Se4i—Tl2—Se11vi | 92.43 (7) | Se7—Nb2—Se8i | 133.74 (9) |
Se11—Tl2—Se11vi | 106.09 (6) | Se11i—Nb2—Se9 | 101.62 (8) |
Se10v—Tl2—Se11vi | 69.70 (6) | Se7—Nb2—Se9 | 81.78 (9) |
Se5v—Tl2—Se11vi | 98.17 (6) | Se7—Nb2—Se9 | 81.78 (9) |
Se4i—Tl2—Se10vii | 113.05 (6) | Se8i—Nb2—Se9 | 54.59 (8) |
Se11—Tl2—Se10vii | 103.61 (7) | Se11i—Nb2—Se4 | 93.23 (8) |
Se10v—Tl2—Se10vii | 81.91 (7) | Se7—Nb2—Se4 | 134.50 (8) |
Se5v—Tl2—Se10vii | 66.70 (6) | Se7—Nb2—Se4 | 134.50 (8) |
Se11vi—Tl2—Se10vii | 145.35 (6) | Se8i—Nb2—Se4 | 82.89 (8) |
Se4i—Tl2—Se6 | 137.42 (6) | Se9—Nb2—Se4 | 136.76 (8) |
Se11—Tl2—Se6 | 64.29 (6) | Se11i—Nb2—Se10 | 92.83 (8) |
Se10v—Tl2—Se6 | 54.68 (5) | Se7—Nb2—Se10 | 53.64 (7) |
Se5v—Tl2—Se6 | 136.89 (5) | Se7—Nb2—Se10 | 53.64 (7) |
Se11vi—Tl2—Se6 | 102.37 (6) | Se8i—Nb2—Se10 | 160.84 (8) |
Se10vii—Tl2—Se6 | 75.06 (6) | Se9—Nb2—Se10 | 135.19 (9) |
Se5—Tl3—Se1viii | 73.98 (6) | Se4—Nb2—Se10 | 83.35 (8) |
Se5—Tl3—Se1viii | 73.98 (6) | Se11i—Nb2—Se3 | 169.29 (8) |
Se5—Tl3—Se1iv | 75.01 (7) | Se7—Nb2—Se3 | 85.01 (8) |
Se5—Tl3—Se1iv | 75.01 (7) | Se7—Nb2—Se3 | 85.01 (8) |
Se1viii—Tl3—Se1iv | 72.06 (6) | Se8i—Nb2—Se3 | 78.92 (8) |
Se5—Tl3—Se2ix | 144.92 (6) | Se9—Nb2—Se3 | 87.24 (8) |
Se5—Tl3—Se2ix | 144.92 (6) | Se4—Nb2—Se3 | 76.12 (7) |
Se1viii—Tl3—Se2ix | 86.03 (6) | Se10—Nb2—Se3 | 84.88 (7) |
Se1iv—Tl3—Se2ix | 71.47 (6) | Nb1—Se1—Tl1i | 88.24 (7) |
Se5—Tl3—Se8 | 85.57 (6) | Nb1—Se1—Tl3viii | 91.92 (7) |
Se5—Tl3—Se8 | 85.57 (6) | Tl1i—Se1—Tl3viii | 152.91 (7) |
Se1viii—Tl3—Se8 | 150.61 (6) | Nb1—Se1—Tl3xi | 95.04 (8) |
Se1iv—Tl3—Se8 | 82.52 (7) | Tl1i—Se1—Tl3xi | 99.02 (7) |
Se2ix—Tl3—Se8 | 99.90 (6) | Tl3viii—Se1—Tl3xi | 107.94 (6) |
Se5—Tl3—Se7vii | 86.06 (7) | Se3vii—Se2—Nb1vii | 64.59 (8) |
Se5—Tl3—Se7vii | 86.06 (7) | Se2vii—Se3—Nb1 | 61.62 (9) |
Se1viii—Tl3—Se7vii | 121.08 (6) | Se2vii—Se3—Nb2 | 112.07 (9) |
Se1iv—Tl3—Se7vii | 153.19 (5) | Nb1—Se3—Nb2 | 81.09 (7) |
Se2ix—Tl3—Se7vii | 129.00 (6) | Nb1—Se4—Nb2 | 84.78 (8) |
Se8—Tl3—Se7vii | 77.16 (7) | Nb1—Se4—Tl2i | 145.30 (8) |
Se5—Tl3—Se3vii | 146.96 (6) | Nb2—Se4—Tl2i | 95.20 (7) |
Se5—Tl3—Se3vii | 146.96 (6) | Nb1—Se4—Tl1i | 83.94 (7) |
Se1viii—Tl3—Se3vii | 112.76 (6) | Nb2—Se4—Tl1i | 107.09 (7) |
Se1iv—Tl3—Se3vii | 137.99 (6) | Tl2i—Se4—Tl1i | 128.36 (7) |
Se2ix—Tl3—Se3vii | 67.46 (5) | Se6vii—Se5—Nb1viii | 62.69 (8) |
Se8—Tl3—Se3vii | 95.92 (6) | Se6vii—Se5—Tl3 | 82.31 (9) |
Se7vii—Tl3—Se3vii | 62.39 (6) | Nb1viii—Se5—Tl3 | 89.42 (7) |
Se5—Tl3—Se6vii | 39.65 (5) | Se6vii—Se5—Tl2x | 97.69 (9) |
Se5—Tl3—Se6vii | 39.65 (5) | Nb1viii—Se5—Tl2x | 107.37 (8) |
Se1viii—Tl3—Se6vii | 70.17 (6) | Tl3—Se5—Tl2x | 161.20 (7) |
Se1iv—Tl3—Se6vii | 110.59 (6) | Se5vii—Se6—Nb1v | 63.21 (9) |
Se2ix—Tl3—Se6vii | 153.24 (5) | Se10—Se7—Nb2 | 65.56 (9) |
Se8—Tl3—Se6vii | 106.84 (6) | Se9i—Se8—Nb2i | 62.86 (8) |
Se7vii—Tl3—Se6vii | 60.25 (6) | Se8i—Se9—Nb2 | 62.55 (8) |
Se3vii—Tl3—Se6vii | 109.98 (6) | Se8i—Se9—Tl4i | 75.95 (8) |
Se5—Tl3—Se2 | 137.20 (6) | Nb2—Se9—Tl4i | 84.32 (8) |
Se5—Tl3—Se2 | 137.20 (6) | Se7—Se10—Nb2 | 60.80 (8) |
Se1viii—Tl3—Se2 | 147.56 (5) | Se7—Se10—Nb2 | 60.80 (8) |
Se1iv—Tl3—Se2 | 118.23 (6) | Se7—Se10—Nb1 | 114.03 (9) |
Se2ix—Tl3—Se2 | 70.51 (6) | Se7—Se10—Nb1 | 114.03 (9) |
Se8—Tl3—Se2 | 58.87 (7) | Nb2—Se10—Nb1 | 80.10 (7) |
Se7vii—Tl3—Se2 | 64.74 (6) | Se7—Se10—Tl2x | 119.59 (8) |
Se3vii—Tl3—Se2 | 37.87 (5) | Se7—Se10—Tl2x | 119.59 (8) |
Se6vii—Tl3—Se2 | 124.99 (6) | Nb2—Se10—Tl2x | 94.80 (7) |
Se11—Tl4—Se11i | 85.75 (7) | Nb1—Se10—Tl2x | 114.23 (8) |
Se11—Tl4—Se9i | 76.57 (6) | Nb2i—Se11—Tl4 | 92.29 (8) |
Se11i—Tl4—Se9i | 78.42 (6) | Nb2i—Se11—Tl4i | 94.70 (8) |
Se11—Tl4—Se7 | 98.46 (6) | Tl4—Se11—Tl4i | 94.25 (7) |
Se11i—Tl4—Se7 | 74.55 (6) | Nb2i—Se11—Tl2 | 96.94 (8) |
Se9i—Tl4—Se7 | 152.82 (5) | Tl4—Se11—Tl2 | 109.54 (7) |
Se11—Tl4—Se7vii | 99.08 (7) | Tl4i—Se11—Tl2 | 152.95 (7) |
Se11i—Tl4—Se7vii | 164.17 (5) | Nb2i—Se11—Tl2vi | 97.76 (7) |
Se9i—Tl4—Se7vii | 117.32 (6) | Tl4—Se11—Tl2vi | 168.94 (6) |
Se7—Tl4—Se7vii | 89.79 (6) | Tl4i—Se11—Tl2vi | 80.39 (7) |
Se11—Tl4—Se5 | 151.06 (6) | Tl2—Se11—Tl2vi | 73.91 (6) |
Symmetry codes: (i) −x, −y+1, −z+1; (ii) −x, −y+1, −z+2; (iii) x, y+1, z+1; (iv) x, y, z+1; (v) x, y+1, z; (vi) −x, −y+2, −z+1; (vii) −x+1, −y+1, −z+1; (viii) −x+1, −y, −z+1; (ix) −x+1, −y+1, −z+2; (x) x, y−1, z; (xi) x, y, z−1. |