How adjust Width; Calc Chart Column BARS

HP Pavilion, win10
In addition; the empty space between bars?EYE_Log2.ods

The example file you posted does not contain a chart (at least not in my version of LO, 5.4.5.1).

You have asked this question before but gave no feedback about the offered solution. CALC Chart; How to add space between chart vert,-BARS?

If you tried that, what exactly was the result?? As I am sure you realize, feedback is important and can often lead quickly to a satisfactory solution.