Magnetic moment of a first-row transition-metal complex M(H,0), is 3.9 Bohr magnetons. Identify the metal A) Cobalt only B) Vanadium only C) Either cobalt or vanadium D) Cannot be predicted
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- Determine the LFSE and calculate the spin-only magnetic moment for the following complexes: trans–dichlorotetrakis(triphenylphosphine)nickel(II) tris(bipyridine)ruthenium(II) ion cis–dicyanobis(oxalato)manganate(II) ionq) AlCl3 forms a dimer in the gas phase, the structure of which is shown below. Determine all the symmetry elements and identify its symmetry point group. Justify graphically q) Determine the symmetry representations of CO stretching vibrations of a Mn(CO)5Br complex, which has a pseudo-octahedral structure with CO ligands at five corners and a Br ligand at the sixth corner. Which of the CO stretching vibrations are active in IR absorption and which in Raman spectra? Justify graphicallyHow to determine symmetry elements, σh and σν and how to differentiate between both. Also , how is σh related to E.
- What point group is produced if an octahedral (Oh) complex is distorted by stretching two trans M-L bonds and compressing another two trans bonds? D4h D2d D2h C4vIf you have an octahedral site (Coordination Number 6). What is the minimum rcation/ranion? Prove your answer.Show all electronic transition in the spectrum of a d3 complex. Scetch the appropriate spectrum.
- Determine the symmetry point groups of the mer- and fac- isomers of the complex [Re(CO)3(NCMe)3] and deduce the irreducible symmetry representations generated by the three stretching vibrations of the C triple bond to N ligands in each of the isomers. [Regard NCMe as a linear ligand.] Also for each isomer discussed, state with reasoning which vibrations are IR active, and which are Raman active and how many bands will be observable in IR and Raman spectra. How can you distinguish the two isomers using their vibrational spectra?Considering that those minerals crystallize with 4/m symmetry, develop the cyclographic projection of an {hkl} form, including the symmetry operators, labelling the pole of the (hkl) face, and naming the form.By using the given 1) electronic absorption spectrum, 2) the Tanabo-Sugano diagram for d3 complex in octahedral ligand field and 3) the absorption/emission spectra, explain the following: a) Ligand field states (to support your explanation show the filling of the orbitals) b) Radiative transitions (to support your explanation refer to fluorescence, phosphorescence and Stokes’ shift)
- Draw the metal coordination structure of carbonic anhydrase enzyme. Clearly show the 3-Dgeometry round the metal center. *Hi, I am actually confused on what a 3-D geometry of this structure should look like and would like some clarification, Thank You in advance!2. Draw the MO diagram for the hypothetical square planar PtH42- ion. Consider only the s-interactions. Label all orbitals with the appropriate symmetry label. Include the 5d, 6s, and 6p orbitals on the metal. Plot roughly to scale. What is the point group? Use the following SALCs for the H 1s orbitals:The d-d transitions in an octahedral [NiL6]2+ complex are: Select one: a. Banned by Laporte but allowed by spinb. Allowed by Laporte and allowed by spinc. Allowed by Laporte but prohibited by spind. Banned by Laporte and banned by spin