<div dir="ltr"><br clear="all"><div><div><i><b><font face="comic sans ms, sans-serif" style="background-color:rgb(255,255,255)" color="#0000ff">Respected, Wien2K Community</font></b></i></div></div><div><i><b><font face="comic sans ms, sans-serif" style="background-color:rgb(255,255,255)" color="#0000ff"> I want to </font></b></i><font color="#0000ff" face="comic sans ms, sans-serif"><b><i>calculate Lattice Constant and angle of BiFeO3 in space group P1( Triclinic ). I have done volume optimization. I found a formula [V = abc( 1−cos**2alpha −</i></b></font><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>cos**2beta</i></b><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>− </i></b><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>cos**2gamma</i></b><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>+2*</i></b><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>cos alpha*</i></b><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>cos beta*</i></b><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>cos gamma)**1/2]. I found only volume in volume optimization. How can i found lattice parameters a, b , c and angles??? </i></b></div>
<div><b style="color:rgb(0,0,255);font-family:'comic sans ms',sans-serif"><i>please help me in this regard.</i></b><br></div><div><font color="#0000ff" face="comic sans ms, sans-serif"><b><i>thanks in advance</i></b></font></div>
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