<div dir="ltr"><span style="font-family:'Droid Sans', arial, sans-serif;font-size:13px;border-collapse:collapse;color:rgb(32, 32, 32)"><div dir="ltr">Hi all,</div><div dir="ltr"><br>
</div><div dir="ltr">As far as I can understand, the Atomic-Position input card, which is mandatory, specifies the type and coordinates of each atom in the unit cell. Then, my question is why we need to specify the number of atoms, number of type of atoms and even celldm in the system input card?</div>
<div dir="ltr"><br></div><div dir="ltr">Thanks in advance</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div><br></div></span></div>