Molecular orbital analysis - d0 complexes

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SUMMARY

The discussion focuses on the definition of a "d0 complex" in the context of molecular orbital analysis, specifically for the tungsten hydride complex (WH6). A d0 complex is characterized by the absence of d orbital electrons in the metal's oxidation state, as exemplified by tungsten in WH6, which is in oxidation state VI. Participants clarify that d0 complexes do not involve d electrons in bonding with ligands, emphasizing the significance of understanding this concept for accurate molecular analysis.

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salazar888
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1. Homework Statement

I'm trying to perform a molecular orbital analysis of a tungsten hydride complex, (WH6) and I haven't been able to find an intuitive or basic definition for a "d0 complex". Every time I read an article about a d0 complex they tangentially mention them and then jump into the problem.

2. Homework Equations

What is the definition of a d0 complex?

3. The Attempt at a Solution

I thought it referred to any complex where the d orbital electrons do not directly participate in the bonding between the metal and its ligands. I just want a pure definition. Thank you so much.
 
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First, I think this post belongs rather to the Atomic and Molecular physics group.
Then to your question: d0 means that the metal does not have d electrons in the given oxidation state. E.g. Tungsten is in the 6th subordinate group, hence in WH6 it is in oxidation state VI and has no d electrons.
 

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