Jacek,
If the point charges are moved out the geometry block to the bq block, the calculation does not crash
geometry system units angstroms nocenter noautoz noautosym
symmetry c1
c +0.00000000 +0.00000000 +0.00000000
h -0.21385373 +0.98738914 +0.39826283
h -0.78597592 -0.69448290 +0.28059107
h +0.09050298 +0.04455726 -1.08102723
end
bq
5.430941 5.430941 105.430941 50.
5.430941 5.430941 -94.569059 50.
end