Can we use bis(tetraammine) instead of octaammine is the 2nd example ?
As in the 1st example they used bis(pentaammine) and also in the 3 one the used bis(carbonylcyclopentadienyliron)
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asked Oct 9, 2018 at 14:01
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$\begingroup$ Btw, IUPAC Red Book 2005 mentions probably the same complex ion 1. [{Cr(NH₃)₅}₂(μ-OH)]⁵⁺, but the name contains complex net charge instead of metal oxidation state: μ-hydroxido-bis(pentaamminechromium)(5+). Most importantly, the parentheses seem to be incorrect in the question. $\endgroup$– mykhalCommented Oct 9, 2018 at 15:19
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$\begingroup$ @mykhal Yes I think the parentheses is incorrect It should be like the 3rd example , but still I am confused . $\endgroup$– Chloritone_360Commented Oct 9, 2018 at 15:44
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1 Answer
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Here is an example of a similar ligand and it can be named in three ways. All you have to do is to put hydroxido/hydroxo in place of superoxido.
So yes, bridged ligands can be named in a few ways, combining any amount of recurring atoms separately, but most common used would be (if the LHS and RHS are the same) μ-amido-μ-hydroxidobis(tetraammine)dicobalt.
Reference
- Crystal structure of .mu.-amido-.mu.-superoxo-bis[tetraamminecobalt(III)] tetranitrate, $\ce{[(NH3)4Co(NH2)(O2)Co(NH3)4](NO3)4}$ by Gary G. Christoph, Richard E. Marsh, William P. Schaefer, Inorg. Chem. 1969, 8, 2, 291-297, DOI: https://doi.org/10.1021/ic50072a022
