_atom_sites_solution*
difmap::difference Fourier map
vecmap::real-space vector search
heavy::heavy-atom method
direct::structure-invariant direct methods
geom::inferred from neighbouring sites
disper::anomalous-dispersion techniques
isomor::isomorphous structure methods
notdet::coordinates were not determined
dual::dual-space method (Sheldrick et al., 2001)
iterative::iterative algorithm, e.g. charge flipping [Oszl\'anyi, G. and S\"uto, A. (2004). Acta Cryst. A60, 134-141]
other::a method not included elsewhere in this list

