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lammps/examples/USER/misc/meam_sw_spline/Si/dc.in

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# Si dc phase
units metal
boundary p p p
atom_style atomic
lattice diamond 5.431
region box block 0 1 0 1 0 1
create_box 1 box
create_atoms 1 box
pair_style meam/sw/spline
pair_coeff * * ../../potentials/Si.b.meam.sw.spline Si
mass * 28.085
variable cohesive_energy equal pe/atoms
variable atmVol equal vol/atoms
variable aLatt equal (8*vol/atoms)^0.33333333333
run 0
print "===================================================="
print "Calculated cohesive energy: ${cohesive_energy} eV/atom"
print "Reference cohesive energy: -4.63 eV/atom"
print "Atomic volume ${atmVol} A^3"
print "Lattice constant ${aLatt} A"
print "Reference lattice constant 5.431 A"
print "===================================================="
#dump 1 all custom 1 dc.dump id type x y z fx fy fz
#run 0