* = 0→00   0000 independent reflections               *l* = −00→00   ------------------------------------------ --------------------------------------  Refinement {#tablewraprefinementdatalong} ==========    ------------------------------------- -------------------------------------------------------------------------------------------------   Refinement on *F*^0^                  Primary atom site location: structure-invariant direct methods   Least-squares matrix: full            Secondary atom site location: difference Fourier map   *R*\[*F*^0^ \> 0σ(*F*^0^)\] = 0.000   Hydrogen site location: inferred from neighbouring sites   *wR*(*F*^0^) = 0.000                  H atoms treated by a mixture of independent and constrained refinement   *S* = 0.00                            *w* = 0/\[σ^0^(*F*~o~^0^) + (0.0000*P*)^0^ + 0.0000*P*\] where *P* = (*F*~o~^0^ + 0*F*~c~^0^)/0   0000 reflections                      (Δ/σ)~max~ \< 0.000   000 parameters                        Δρ~max~ = 0.00 e Å^−0^   0 restraint                           Δρ~min~ = −0.00 e Å^−0^   ------------------------------------- -------------------------------------------------------------------------------------------------  Special details {#specialdetails} ===============    -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------   Experimental. 