A Comprehensive Treatise on Inorganic and Theoretical Chemistry

362 INORGANIC AND THEORETICAL, CHEMISTRY
(xviii) Tribromocarbonyls, [Pt(CO)Br8IR, represented by the pyridine salt,
(xix) Tri-iodocarbonyls, [Pt(CO)I3]R, represented by (1) potassium ; and
(2) trimethylamine salts.
(xx) Trithiocyanatocarbonyls, [Pt(CO)(SCN)3]R, represented by (1) ammonium
; and (2) potassium salts,
(xxi) Trichloroallylalcohols, [Pt(C3H5OH)Cl3]R, represented by (1)
cinchonine ; (2) potassium ; and (3) platinoustetrammine salts,
(xxii) Tribromoallylalcohols, [Pt(C3H6OH)Br3]R, represented by (1) potassium
; and (2) platinoustetrammine salts.
II.— Platinous ammines with more than one platinum atom in the nucleus.
(i) Octammino-diol-sulphate, [Pt(NH3)4.^.(OH)2^Pt(NH3)4].
III.—The platinosic ammines—vide supra, platinum trichloride.
IV.—The platinic ammines with one platinum atom in the nucleus.
1.—The hexammine family, or compounds of the quadrivalent group [PtA6)\"".
(i) Ammines, [Pt(NH3J6]X4, represented by the (1) hydroxide ; (2)
chloride and chloroplatinate ; (3) sulphate ; (4) nitrate ; (5) carbonate,
(ii) Trisjrropylenediatnmines, [Pt(C3H6.N2H4)3]X4, in its racemic, dextroand
lsevo-forms, and represented by (1) chloride ; (2) bromide ;
(3) iodide ; (4) sulphate ; (5) nitrate ; and (6) tartrate.
2.—The pentammine family, or compounds of the tervalent group [PtA5X]X3.
(i) Hydroxypentammines, [Pt(NHg)5(OH)]X3, represented by (1) chloride ;
(2) carbonate ; (3) nitrate ; and (4) acetate.
(ii) Chloropentammines, [Pt(NH3)5Cl]X3, represented by the (1) hydroxide ;
(2) chloride, and the chloroplatinate ; (3) sulphate and the chlorosulphate
; (4) carbonate ; and (5) nitrate.
(iii) Bromopentammines, [Pt(NHg)5Br]X3, have been prepared.
(iv) Chloroethylenediaminotriammines, [Pt(NH3)3 enCl]X3, represented by
the (1) chloride ; (2) sulphate ; and (3) nitrate.
3.—The tetrammine family, or compounds represented by the PtA4-group.
A.—Type : [PtA4X2]Y2, which has a bivalent group,
(i) Vihydroxytetrammines, [Pt(NH3)4(OH)2]Y2, represented by (1)
chloride and chloroplatinate ; (2) bromide ; (3) iodide ; (4) sulphate
; (5) nitrite ; (6) nitrate ; and (7) dichromate.
(ii) D ichlorotetr ammines, [Pt(NH3)4Cl2] Y2, represented by (1) chloride ;
chloroplatinite, and chloroplatinate ; (2) bromide ; (3) sulphate
and suIphatoj>latinate ; (4) nitrate and nitratoplatinate ; (5) carbonate
; (6) oxalate ; (7) thiocyanate ; (8) chromate ; and (9)
dichromate.
(iii) Dibrom-otetr-ammines, [Pt(NH3)4Br2]Y2, represented by (1) chloride ;
(2) bromide ; (3) sulphate and sulphatoplatinate ; (4) nitrate and
nitratoplatinate ; (5) phosphate ; (6) carbonate and carbonatoplatinate
; (7) oxalate ; and (8) dichromate.
(iv) Chloroamidotetrammines, [Pt(NHg)4NH2Cl]Y2, represented by (1)
chloride ; (2; bromide ; and (3) nitrate.
(v) Bromoamidotetrammines, [Pt(NH3)4NH2BrJY2, represented by the
bromide.
(vi) Chloronitritotetramminochloride, [Pt(NHg)4(NO2) Cl]Cl2.
(yii) Chloronitrilopyridinotriamminochloride, [Pt(NH3)3 py(N02)Cl]Cl2.
(viii) Dichloroetkylenediaminodiamminochloride, [Pt(NH3)2 enCl2]Cl2.
(ix) Chloronitritoethylenediaminodiamminochloride, [Pt(NH3)2 en(N02)Cl]-
Cl2.
(x) llichloropyridinoethylenediaminoamminochloride, [Pt(NH3) en PyCl2]Cl2.
(xi) Chloronitritopyridinoethylenediaminoamminochloride, [Pt(NHo) en py-
(NO2)Cl]Cl2.