1987
DOI: 10.1021/ic00271a030
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Synthesis, structure and properties of tetraphenylphosphonium tetrakis(2-mercaptopropionato)trinickelate(II) (PH4P)2[Ni3(SCH(CH3)COO)4]: a linear trimeric thiolato complex of nickel

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Cited by 27 publications
(5 citation statements)
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“…For [Ni{(Dtox)(CH 3 CNH) 2 }](ClO 4 ) 2 , the appearance of the spectrum and its attendant classical spectroscopic parameters (10 Dq = 12,100 cm -1 , Racah B = 678 cm -1 ) are consistent with the compound's paramagnetic (vide infra) pseudo-octahedral nature. The LMCT band obscures the 3 A 2g → 3 T 1g transition in the trinuclear compound, so we can only estimate that 10 Dq < 11 000 cm -1 for it . The larger 10 Dq value for the mononuclear compound results from replacement of oximate O donors by the imino N donors.…”
Section: Resultsmentioning
confidence: 90%
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“…For [Ni{(Dtox)(CH 3 CNH) 2 }](ClO 4 ) 2 , the appearance of the spectrum and its attendant classical spectroscopic parameters (10 Dq = 12,100 cm -1 , Racah B = 678 cm -1 ) are consistent with the compound's paramagnetic (vide infra) pseudo-octahedral nature. The LMCT band obscures the 3 A 2g → 3 T 1g transition in the trinuclear compound, so we can only estimate that 10 Dq < 11 000 cm -1 for it . The larger 10 Dq value for the mononuclear compound results from replacement of oximate O donors by the imino N donors.…”
Section: Resultsmentioning
confidence: 90%
“…The differences between the solid state and solution UV−vis spectra are minor, evidencing that [Ni 3 (Dtox)(DtoxH) 2 ])ClO 4 ) 2 ·CH 3 CN maintains its trinuclear structure in CH 3 CN solution. The spectrum is also the same in DMF, though not all anionic oxygen-bridged nickel(II) systems are so solvent resistant; [Ni 3 (2-mercaptopropionate) 4 ] 2- apparently falls into a dissociation equilibrium 4 Characteristic Properties of the Complexes complexmediumλ (nm)ε (M -1 cm -1 ) E 1/2 a (V) [Ni 3 (Dtox)(DtoxH) 2 ] 2+ CH 3 CN 870 80 +0.412 560 37000 255 37000 [Ni{(Dtox)(CH 3 CNH) 2 }] 2+ CH 3 CN 826 88 −0.716 559 29 [Ni(DtdoH)] + CH 3 CN 410 800 −1.155 b 320 3200 [Ni(DidoH)] + CH 3 CN 405 4300 −1.14 b 380 4600 −1.73 a Vs the nonaqueous Ag + (0.01 M, 0.1 M NEt 4 ClO 4 , MeCN)/Ag reference electrode; add 0.536 V for estimate of E 1/2 vs SHE.…”
Section: Resultsmentioning
confidence: 99%
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“…[Pt([l$]aneN4)]CI2. Approximately 0.25 mmol of K2PtCl4 and 0.28 mmol of [15]aneN4 were introduced into a 50-mL round-bottom flask (30) (a) Lessard, R. B.; Endicott, J. F.; Perkovic, M. W.; Ochrymowycz, L.…”
mentioning
confidence: 99%