tellurium tetrakis(pentafluoroorthotellurate) | 63599-48-4

• 分子结构分类: 无机化合物 - 混合金属/非金属化合物 - 类金属盐
• 英文名称: tellurium tetrakis(pentafluoroorthotellurate)
• CAS: 63599-48-4
• 化学式: F₂₀O₄Te₅
• 分子量: 1081.97
• InChiKey: KMGFSASQNWWCGM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  6.23
• 重原子数：
  29
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  36.9
• 氢给体数：
  0
• 氢受体数：
  24

反应信息

• 作为反应物：
  描述：

  tellurium tetrakis(pentafluoroorthotellurate) 、 以 further solvent(s) 为溶剂， 生成 、
  参考文献：
  名称：

  The Te(OTeF5)5- and FTe(OTeF5)4- Anions: Synthesis, X-ray Structure Determinations, and Raman Spectra of Te(OTeF5)4 and N(CH3)4+Te(OTeF5)5- and Solution Characterization of the FTe(OTeF5)4- and Te(OTeF5)5- Anions by 19F and 125Te NMR Spectroscopy

  摘要：

  The Lewis acid behavior of Te(OTeF5)4(4) toward the OTeF5- anion has been investigated, and the resulting Te(OTeF5)(5)(-) and FTe(OTeF5)(4)(-) anions have been structurally characterized in solution as the tetramethylammonium and tetraethylammonium salts by F-19 and Te-125 NMR spectroscopy. The crystal structures and Raman spectra are reported for Te(OTeF5)(4) and N(CH3)(4)Te-+(OTeF5)(5)(-). The former compound crystallizes in the triclinic system, space group P (1) over bar, with a 9.502(3) Angstrom, b = 9.748(5) Angstrom, c 10.603(4) Angstrom, alpha = 85.73(4)degrees, beta = 72.50(3)degrees, and gamma. = 71.26(3)degrees at -97 degrees C; V = 886.7(6) Angstrom(3); D-calc = 4.052 g cm(-3) for Z = 2; R(1) = 0.0239. The salt, N(CH3)(4)Te-+(OTeF5)(5)(-), crystallizes in the orthorhombic system, space group Pbca, with a 11.021(2) Angstrom, b = 20.096(5) Angstrom, c = 27.497(5) Angstrom at 24 degrees C; V = 6090(2) Angstrom(3); D-calc = 3.042 g cm(-3) for Z = 8; wR = 0.0781. The Te(OTeF5)(4) molecule is a disphenoid and is consistent with an AX(4)E VSEPR geometry in which a lone electron pair and two OTeF5 groups occupy the equatorial plane and two OTeF5 groups occupy the axial positions of a trigonal bipyramid. Two secondary Te-IV... F contacts arising from two nearest neighbor Te(OTeF5)4 molecules give rise to a chain structure in which the coordination about Te-IV is best described as a distorted octahedral (AX(4)Y(2)E) VSEPR arrangement. The central Te-IV atom of the Te(OTeF5)(5)(-) anion is bonded to five OTeF5 groups, so that the gross geometry about the Te-IV atom can be described as pseudo-octahedral. The presence of a bulky OTeF5 group in the axial position influences the conformational relationships of the equatorial OTeF5 groups. Solution NMR studies establish that the FTe(OTeF5)(4)(-) anion is pseudo-octahedral about the: Te-IV atom and that the fluorine bonded to Te-IV is in the axial position opposite the lone electron pair. The coordination in the Te-IV valence shells of the Te(OTeF5)(5)(-) and FTe(OTeF5)(4)(-) anions is consistent with an AX(5)E VSEPR arrangement of five bond pairs and a lone electron pair. The Te(OTeF5)(5)(-) and TeF5- anions were shown to undergo ligand redistribution and, with the exception of FTe(OTeF5)(4)(-), the intermediate FnTe(OTeF5)(5-n)(-) anions were found to be labile on the NMR time scale.

  DOI：

  10.1021/ic00125a027
• 作为产物：
  描述：

  boron tris{pentafluoro-oxotellurate(VI)} 、 碲四氟化物. 生成 tellurium tetrakis(pentafluoroorthotellurate) 、 三氟化硼
  参考文献：
  名称：

  Lentz, D.; Pritzkow, H.; Seppelt, K., Angewandte Chemie, 1977, vol. 89, p. 741

  摘要：

  DOI：

文献信息

• Gmelin Handbuch der Anorganischen Chemie, Gmelin Handbook: B: B Comp.SVol.1/3, 12, page 102 - 104
  作者：

  DOI：——

  日期：——
• The Te(OTeF5)5- and FTe(OTeF5)4- Anions: Synthesis, X-ray Structure Determinations, and Raman Spectra of Te(OTeF5)4 and N(CH3)4+Te(OTeF5)5- and Solution Characterization of the FTe(OTeF5)4- and Te(OTeF5)5- Anions by 19F and 125Te NMR Spectroscopy
  作者：Helene P. A. Mercier、Jeremy C. P. Sanders、Gary J. Schrobilgen

  DOI：10.1021/ic00125a027

  日期：1995.10

  The Lewis acid behavior of Te(OTeF5)4(4) toward the OTeF5- anion has been investigated, and the resulting Te(OTeF5)(5)(-) and FTe(OTeF5)(4)(-) anions have been structurally characterized in solution as the tetramethylammonium and tetraethylammonium salts by F-19 and Te-125 NMR spectroscopy. The crystal structures and Raman spectra are reported for Te(OTeF5)(4) and N(CH3)(4)Te-+(OTeF5)(5)(-). The former compound crystallizes in the triclinic system, space group P (1) over bar, with a 9.502(3) Angstrom, b = 9.748(5) Angstrom, c 10.603(4) Angstrom, alpha = 85.73(4)degrees, beta = 72.50(3)degrees, and gamma. = 71.26(3)degrees at -97 degrees C; V = 886.7(6) Angstrom(3); D-calc = 4.052 g cm(-3) for Z = 2; R(1) = 0.0239. The salt, N(CH3)(4)Te-+(OTeF5)(5)(-), crystallizes in the orthorhombic system, space group Pbca, with a 11.021(2) Angstrom, b = 20.096(5) Angstrom, c = 27.497(5) Angstrom at 24 degrees C; V = 6090(2) Angstrom(3); D-calc = 3.042 g cm(-3) for Z = 8; wR = 0.0781. The Te(OTeF5)(4) molecule is a disphenoid and is consistent with an AX(4)E VSEPR geometry in which a lone electron pair and two OTeF5 groups occupy the equatorial plane and two OTeF5 groups occupy the axial positions of a trigonal bipyramid. Two secondary Te-IV... F contacts arising from two nearest neighbor Te(OTeF5)4 molecules give rise to a chain structure in which the coordination about Te-IV is best described as a distorted octahedral (AX(4)Y(2)E) VSEPR arrangement. The central Te-IV atom of the Te(OTeF5)(5)(-) anion is bonded to five OTeF5 groups, so that the gross geometry about the Te-IV atom can be described as pseudo-octahedral. The presence of a bulky OTeF5 group in the axial position influences the conformational relationships of the equatorial OTeF5 groups. Solution NMR studies establish that the FTe(OTeF5)(4)(-) anion is pseudo-octahedral about the: Te-IV atom and that the fluorine bonded to Te-IV is in the axial position opposite the lone electron pair. The coordination in the Te-IV valence shells of the Te(OTeF5)(5)(-) and FTe(OTeF5)(4)(-) anions is consistent with an AX(5)E VSEPR arrangement of five bond pairs and a lone electron pair. The Te(OTeF5)(5)(-) and TeF5- anions were shown to undergo ligand redistribution and, with the exception of FTe(OTeF5)(4)(-), the intermediate FnTe(OTeF5)(5-n)(-) anions were found to be labile on the NMR time scale.
• Lentz, D.; Pritzkow, H.; Seppelt, K., Angewandte Chemie, 1977, vol. 89, p. 741
  作者：Lentz, D.、Pritzkow, H.、Seppelt, K.

  DOI：——

  日期：——