6 H2B_BH2.mmp B 0.000000 0.000000 -0.820000 B 0.000000 0.000000 0.820000 H -1.016000 0.000000 -1.458000 H 1.016000 0.000000 -1.458000 H 0.000000 -1.016000 1.458000 H 0.000000 1.016000 1.458000