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Symmetry Lab4AB · ABC Chemistry

Symmetry Lab › Oh › Octa-μ₃-chloro-hexachloro-hexamolybdate

[Mo₆Cl₈Cl₆]²⁻ Octa-μ₃-chloro-hexachloro-hexamolybdate

Mo₆ octahedron inside a Cl₈ cube · point group Oh · order 48

Open [Mo₆Cl₈Cl₆]²⁻ in 3D →

Point group
Oh — The full symmetry of a regular octahedron or cube: three C4 axes, four C3 axes, six C2 axes, a centre of inversion and nine mirror planes.
Order
48
Operations
E, 8C₃, 6C₂′, 6C₄, 3C₂, i, 6S₄, 8S₆, 3σh, 6σd
Shape
Mo₆ octahedron inside a Cl₈ cube
Atoms
20 (Mo × 6, Cl × 14)

Symmetry elements of [Mo₆Cl₈Cl₆]²⁻

  • C₄ (x) — through two opposite Mo
  • C₄ (y) — through two opposite Mo
  • C₄ (z) — through two opposite Mo
  • C₃ (1) — through two opposite face-capping Cl
  • C₃ (2) — through two opposite face-capping Cl
  • C₃ (3) — through two opposite face-capping Cl
  • C₃ (4) — through two opposite face-capping Cl
  • C₂′ (1) — through the midpoints of two opposite Mo–Mo edges
  • C₂′ (2) — through the midpoints of two opposite Mo–Mo edges
  • C₂′ (3) — through the midpoints of two opposite Mo–Mo edges
  • C₂′ (4) — through the midpoints of two opposite Mo–Mo edges
  • C₂′ (5) — through the midpoints of two opposite Mo–Mo edges
  • C₂′ (6) — through the midpoints of two opposite Mo–Mo edges
  • i — centre of inversion
  • σh (yz) — contains four Mo
  • σh (xz) — contains four Mo
  • σh (xy) — contains four Mo
  • σd (1) — contains two Mo and two capping Cl
  • σd (2) — contains two Mo and two capping Cl
  • σd (3) — contains two Mo and two capping Cl
  • σd (4) — contains two Mo and two capping Cl
  • σd (5) — contains two Mo and two capping Cl
  • σd (6) — contains two Mo and two capping Cl
  • S₄ (x) — rotate 90°, then reflect
  • S₄ (y) — rotate 90°, then reflect
  • S₄ (z) — rotate 90°, then reflect
  • S₆ (1) — rotate 60°, then reflect
  • S₆ (2) — rotate 60°, then reflect
  • S₆ (3) — rotate 60°, then reflect
  • S₆ (4) — rotate 60°, then reflect

Structure

  • Mo–Mo 2.62 Å, Mo–Cl(cap) 2.47 Å, Mo–Cl(terminal) 2.40 Å
  • Eight Cl cap the eight faces; six Cl point outwards
  • The classic metal-cluster halide
Octa-μ₃-chloro-hexachloro-hexamolybdate ([Mo6Cl8Cl6]2-) — Oh symmetry elements
Octa-μ₃-chloro-hexachloro-hexamolybdate: symmetry elements of the Oh point group

Other Oh molecules

[Co(NH₃)₆]³⁺ (N atoms shown)Hexaamminecobalt(III) ion[Fe(H₂O)₆]³⁺ (O atoms shown)Hexaaquairon(III) ion[PtCl₆]²⁻Hexachloroplatinate(IV) ion[AlF₆]³⁻Hexafluoroaluminate ion[SbF₆]⁻Hexafluoroantimonate ionPF₆⁻Hexafluorophosphate ionSiF₆²⁻Hexafluorosilicate ionSeF₆Selenium hexafluorideSF₆Sulfur hexafluorideUF₆Uranium hexafluoride[B₆H₆]²⁻closo-Hexahydridohexaborate ionCr(CO)₆Chromium hexacarbonyl

Open in the 3D lab →  ·  All Oh molecules  ·  All point groups