Version of · via DFT structure relaxation
MnBi NiAs-type known-geometry control (exp a=4.5335, c=6.1141 A, P6_3/mmc)
Cell + ionic relaxation with ABACUS DFT; 0.04 eV/Å threshold; final energy = -10379.1309 eV; energy change = -0.1580 eV