Among \( [\mathrm{Co(CN)}_{4}]^{4-}, [\mathrm{Co(CO)}_{3}(\mathrm{NO})], \mathrm{XeF}_{4}, [\mathrm{PCl}_{4}]^{+}, [\mathrm{PdCl}_{4}]^{2-}, [\mathrm{ICl}_{4}]^{-}, [\mathrm{Cu(CN)}_{4}]^{3-} \) and \( \mathrm{P}_{4} \) the total number of species with tetrahedral geometry is ________.
