Dear Lord Ugwu thank you for your interesting technical question. In this context please have a look at the following potentially useful article which might help you in your analysis:

1. Electronic Structure Effects in Transition Metal Surface Chemistry

Article Electronic Structure Effects in Transition Metal Surface Chemistry

2. Tuning the surface electronic structure of a Pt 3 Ti(111) electro catalyst

Article Tuning the surface electronic structure of a Pt 3 Ti(111) el...

These two article are freely available as public full texts on researchGate.

3. An improved d-band model of the catalytic activity of magnetic transition metal surfaces

https://www.nature.com/articles/srep35916

This paper is Open Access.

You might try the next tool:

https://vaspkit.com/tutorials.html#d-band-center