Solvothermal syntheses and optical properties of hexathiostannates containing samarium(III) complexes with different ethylene polyamines

(NH4)4Sn2S6·3H2O: Crystal Structure, Thermal Decomposition, and Precursor for Textured Thin Film

“…This asymmetry is also observed in the angles between the terminal sulfur atoms which are all above 108°, but only 87° between the bridging sulfur atoms (see Supporting Information). This geometry is in agreement with literature values for compounds containing the thiostannate­(IV) dimer [Sn 2 S 6 ] 4– as shown by the comprehensive bond distance statistics presented in the Supporting Information. − However, variations in the Sn–S bond length also occur among the terminal sulfur atoms. Detailed information about the interactions between sulfur atoms in the anionic dimer and the surrounding water molecules and ammonium cations can be obtained through a Hirshfeld surface analysis, as described by Spackman and co-workers. , Figure b shows the Hirshfeld surface for the anionic dimeric [Sn 2 S 6 ] 4– complex with d norm plotted on the surface, where red indicates distances shorter than the sum of the van der Waals radii and blue, longer distances.…”

Room‐Temperature Solid‐State Transformation of Na4SnS4 ⋅ 14H2O into Na4Sn2S6 ⋅ 5H2O: An Unusual Epitaxial Reaction Including Bond Formation, Mass Transport, and Ionic Conductivity

“…Compound II , Na 4 Sn 2 S 6 ⋅ 5H 2 O, (SG: P 4 1 2 1 2) comprises Sn, Na1, Na2, S2, S4, O2 and O3 atoms in general and S1, S3 and O1 in special positions (Figure S7 and Table S4). In the [Sn 2 S 6 ] 4− anion the Sn‐S brid bond is longer compared to the Sn‐S term bonds (Table S5), [21] and the angles around Sn indicate a small distortion of the tetrahedra, in agreement with literature [22–28] . All S 2− anions of [Sn 2 S 6 ] 4− have bonds to Na + : S brid (S1, S3) have bonds to two Na + and S term (S2, S4) are involved in one respectively three Na−S bonds (Figure 2, bottom).…”

“…In the [Sn 2 S 6 ] 4− anion the Sn‐S brid bond is longer compared to the Sn‐S term bonds (Table S5), [21] and the angles around Sn indicate a small distortion of the tetrahedra, in agreement with literature. [ 22 , 23 , 24 , 25 , 26 , 27 , 28 ] All S 2− anions of [Sn 2 S 6 ] 4− have bonds to Na + : S brid (S1, S3) have bonds to two Na + and S term (S2, S4) are involved in one respectively three Na−S bonds (Figure 2 , bottom). While the Na−O bonds are similar to those of I , the average Na−S bond is significantly longer but is in agreement with literature data.…”

Expanding the structural versatility of thiostannate(iv) complexes

“…Discrete dimeric complexes are found in structures containing amines, [17][18][19][20][21][22][23][24] alkali-, 25 transition-, 15,[26][27][28][29][30][31][32][33][34] and lanthanidemetals. [35][36][37][38][39][40] Linking two ijSn 2 S 6 ] 4− dimeric complexes gives rise to the largest known discrete thiostannateIJIV) complex IJ[Sn 4 S 10 ] 4− ) which adopt an adamantane-like configuration. 41 Condensation of these building blocks can result in either 1D chain or layers, albeit the Sn-S coordination changes from tetrahedral to either trigonal bipyramidal or octahedral.…”