Relaxation of platinum‐195 in tetracyanoplatinate(II) and hexacyanoplatinate(IV) in aqueous solutions | Zendy

Wasylishen Roderick E. | Zendy; Britten James F. | Zendy

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Relaxation of platinum‐195 in tetracyanoplatinate(II) and hexacyanoplatinate(IV) in aqueous solutions

Author(s) -

Wasylishen Roderick E.,

Britten James F.

Publication year - 1988

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260261208

Subject(s) - chemistry , aqueous solution , platinum , anisotropy , spin–lattice relaxation , relaxation (psychology) , ion , inorganic chemistry , nuclear magnetic resonance , organic chemistry , psychology , social psychology , physics , quantum mechanics , nuclear quadrupole resonance , catalysis

The mechanism of 195 Pt spin–lattice relaxation in aqueous solutions of Pt(CN) 4 2− and 6 2− has been elucidated from variable‐temperature T 1 measurements at 4.70 and 8.48 T. For Pt(CN) 4 2− both the chemical shielding anisotropy and spin rotation mechanisms are important; for Pt(CN) 6 2− the spin rotation mechanism completely dominates. The value of Δσ obtained for Pt(CN) 4 2− is 2350 ppm, which is in excellent agreement with the value previously measured for the tetracyanoplatinate(II) ion in a variety of salts in the solid state.

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