<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Dear Prof. Blaha</div><div><br></div><div>I want to calculate the effective mass but I am not complete sure about the unit of k at the fourth column of case.spaghetti. The unit of my lattice parameters at the case.struct is Angstrom therefore it means that the unit of k must 1/A is it right?</div><div><br></div><div>Best Regards</div><div>Ali<br></div></div></body></html>