Inorganica Chimica Acta, volume 17, pages 225-228

Crystal and molecular structure of tetrakis(N-ethylthiourea)platinum(II) iodide

F. Bachechi 1
L. Zambonelli 1
G. Marcotrigiano 2
1
 
Laboratorio di Strutturistica Chimica “Giordano Giacomello”, C.N.R., Area della Ricerca, C.P. 10, 00016 Monterotondo Stazione, Roma, Italy
Publication typeJournal Article
Publication date1976-01-01
scimago Q2
wos Q2
SJR0.386
CiteScore6.0
Impact factor2.7
ISSN00201693, 18733255
Materials Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
The crystal structure of tetrakis(N-ethylthiourea)platinum(II) iodide, [Pt(CS(NH2)(NHC2H5))4]I2, has been determined from three-dimensional X-ray diffraction data. The triclinic crystals belong to the P 1 space group: a = 8.096(8), b = 13.165(12), c = 14.248 (12) A, α = 101.7(1), β = 108.5(1), γ = 102.1(1)°. The observed and calculated (Z = 2) densities are 2.13(1) and 2.127 g cm−3 respectively. 5306 independent reflections with Fo2 > 3σ(Fo2) were collected by counter methods. Least-squares refinement gave a final discrepancy factor of 0.038. The stereochemistry around the platinum is almost square-planar with the sulphur atom of each thiourea group bound to the metal. Pt-S distances range from 2.309(3) to 2.335 (3) A. The thiourea groups have quite regular geometry and dimensions. The structure is stabilized in the solid state by a network of NH … I−1 hydrogen bonds.
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